Mark H. Thiemens Research Group Stable Isotopes Lab at the University of California San Diego, UCSD Department of Chemistry and Biochemistry Anthony Fry Dean Division Physical Sciences
Home Group Publications Research 34th ISKPPA Links UCSD


195. Lin, M., K. Wang, S. Kang, M.H. Thiemens (2017). Simple method for high-sensitivity determination of cosmogenic 35S in snow and water samples collected from remote regions. Analytical Chemistry. doi:10.1021/acs.analchem.6b05066.

194. Guenon, S., Ramirez, J.G., Basaran, A.C., Wampler, J., Thiemens M., Schuller, I.K. (2017) Search for new superconductors:an an electromagnet phase transition in an iron meteorite inclusion at 117 K. Journal of Superconductivity and Novel magnetism. 30: 297-304.

193. Lin, M., Su, L., Shaheen, R., Fung, J.C.H., Thiemens, M.H. (2016) Detection of deep strtaopsheric intrusions by cosmogenic 35S. Proceedings National Academy of Sciences 113, 11131-11136.

192. Lin, M., Zhang,Z., Su, Lin, Su, B., Liu, L. Tao, J., Fung, J.C.H., Thiemens, M.H. (2016) Unexpected high 35S concentration revealing strong downward transport of stratospheric air, during the monsoonal transitional period in east Asia. Geophys res Lett, 43,2315-22.

191. Chakraborty, S., Jackson, T.L. Rude, Bruce, Ahmed, M., Thiemens, M.H. (2016) Nitrogen isotopc fractionations in the low temperature (80K) vacuum photodissociation of N2. Journal Chemical Physics 145, 114302-114309.

190. Shaheen, R., Niles, P.B., Chong, K., Corrigan, C.M., Thiemens, M.H. (2015). Carbonate formation events in ALH 84001 trace the evolution of the Martian Atmopshere. Proceedings of the National Academy of Science 112, 336-41.

189. Khatib, O., Wood, J.D., McLeod, A., Goldflam,M.D., Wagner,M., Damhorst, G.L. Koepke, J.C., Doidge, G.P., Rangarajan, A., Bashir, R., Pop, E., Lyding, J.W., Thiemens, M.H., keilman, F., Basov, D.N. (2015) Graphene-based platform for infrared mnear-field nanospectroscopy of water and biolgicla mateirals in an aqueous environment. ACS Nano, 9, 7968-7975

188. Lin, M., Zhang, Z., Su, L., hill-Falkenthal, Pryadarshi, A., Zhang, Q., Zhang,G., kang, S., Chan, C-Y., Thiemens,M.H. (2015) Resolving the impact of strtaopshere-to troposphere transport on the sulfur cycle and surface ozone over the Tibetan Plateau using a cosmogeniic 35S tracer. J Geophys Res atmos. 121,439-456.

187. Fei,Z., Iwinski,E.G., Ni, G.X., Zhang, L.M., bao, W., Rodin, A.S., Rodin, A.S., Lee, Y., Wagner, M.,Liu, M.K., dai, S., Ggoldman, Thiemens, M., Keilman,F., Lau, C.N., Castro-Neto,A.H., Fogle, D, Basov, D.(2015). Tunneling Plamonic in Bilayare Graphemne,. NanoLetters 15, 4973-4978.

186. Chakraborty, S., Muskatel, H., Jackson, T., Levine, R., Thiemens, M.H. (2014) Massive isotopic effect in vacuum UV photodissociation of N2 and implications for meteorite data. Proceedings National Academy Sciences 111, 14704-14709

185. Dominguez,G., McLeod, A.S., Gainsfirth,Z….Thiemens, M.H. (2014). Nanoscale infrared spectroscopy as a non-destructive probe of extraterrestrial samples. Nature communications 5, 5445-5448.

184. McLeod,M. Alexander, S., Kelly, P. and Thiemens, M.H. (2014). Model for quantitative tip Enhanced spectroscopy and the extraction of nanoscale-resolved optical constants. Phys Rev B. 90, 085136.

183. Shaheen, R., Abaunza, M.M., Jackson, T.L., McCabe, J., Savarino, J., Thiemens, M.H. (2014) Large sulfur-isotope anomaly in nonvolcanic sulfate aerosol and its implication for the Archean atmosphere. Proceedings National Academy of Sciences 111, 11979-11983.

*** This paper was selected as the cover article for the 08/19/2014 issue of PNAS ***

182. Wagner, M., Fei, Z., McCloude, A.S., Thiemens, M.H. et al (2014). Ultrafast and Nanoscale plasmonic phenomena in exfoliated graphene revealed by infrared pump-probe nanoscopy. Nano Letters 14, 894-900.

181. Priyadrashi, A., Hill-Falkenthal, Jason , Thiemens, M.H. et al (2014) Cosmogenic 35-S in the Tibetan Plateau to quantify glacier snowmelt. J. Geophys. Res. 119, 4125-4135.

180. Thiemens, M.H., Chakraborty, S., Tackson, T.L. (2014) Decadal O-17 record of tropospheric CO2: Verification of a stratospheric component in the troposphere. J. Geophys. Res., 119, 6221-6229.

179. Sofen, E.D., Alexander, B., Steig, E.J., Thiemens, M.H., Kunasek, S.A., Amos, H.M., Schauer, A.J., Hastings, M.G., Bautista, J., Jackson, T.L., Vogel, L.E., McConnell, J.R., Pasteris, D.R., , Salzman, E.S. (2014). Atmos.Chem.Phys. 14, 5479-5769.

178. Hill-Falkenthall, J., Priyadarshi, A., Savarino, J., Thiemens, M.H. (2013) Seasonal variations in S-35 and Delta O-17 of sulfate aerosols in the Antarctica Plateau. Journal Geophysical Research (Atmospheres) 118, 9444-9455.

177. Chakraborty, S.K., Yanchulova, P., Thiemens M.H. (2013) Mass-independent Partitioning During Gas Phase SiO2 Formation. Science 342, 463-466.

176. Dai, S., Fei,Z., Ma,Q, Rodin, A., Wagner,M., McLeod, A., Liu,M., Gannett, Regan, W.,watanabe, K., Taniguchi, T., Thiemens,M.,Dominguez, G., Castro Neto, A., Zettl,A,Keilmann, F., Jarillo-Herrero,P., Fogler, M., Basov,D. (2014) Tunable Photon Polaritos I Atomically Thin van der Waals Crystals of Boron Nitride. Science 343, 1125-1129.

175. Thiemens, M.H., Davis, A., Grossman, L., Colman, A.S. (2013). Turekian Reflections. Proceedings National Academy Sciences 110, 16289-16290.

174. Priyadarshi, A., Hill-Falkentahl, J., Thiemens, M.H. et al (2013). Detection of radioactive 35-S at Fukushima and other Japanese sites. J Geophysical Research-Atmospheres 116, 1020-1027.

173. Chakraborty, S., Jackson, T., Ahmed,M., Thiemens,M.H. (2013) . Sulfur isotopic fractionation in vacuum UV photodissociation of hydrogen sulfide and it potential relevance to meteorite analysis. Proceedings National Academy of Sciences 110, 17650-17655.

172. Thiemens,M.H. (2013) Introduction to Chemistry and Applications in Nature of Mass Independent Isotope Effects Special Feature. Proceedings of the National Academy of Sciences 110, 17631-17637.

171. Shaheen, R.S., Abuanza, M., Jackson, T.L., McCabee, J., Savarino, J., Thiemens, M.H. (2013). Tales of volcanoes and El-Nino southern oscillations with the oxygen isotope anomaly. Proceedings National Academy of Science 110(44), 17662-17667.

*** This paper was selected as the cover article for the 10/29/2013 issue of PNAS ***

170. Fei, Z., Rodin, A.S., Gannett, W., Dai, S., Regan, W., Wagner, M., Liu, M.K., McLeod, A.S., Dominguez, G., Thiemens, M., Neto, A.H.C., Keilmann, F., Zettl, A., Hillenbrand, R., Fogler, M.M., Basov, D.N. (2013). Electronic and plamonic phenomena at graphene grain boundaries Nature (Nanotechnology). 8, 821-825.

169. Cole-Dai, J., Ferris, D.G., Lanciki, A.L., Savarino, J.S., Thiemens, M.H., McConnell, J. (2013). Two likely stratospheric volcanic eruptions in the 1450’s found in a bipolar , subannually dated 800 year ice core record. J. Geophys. Research 118, 7459-7466.

168. Agee, C.R., Wilson, N., McCubbin, F., Ziegler, K., Polynak, V, Sharp, Z., Asmeron, Y., Nunn., M., Shaheen, R., Thiemens, M., Steele, A., Fogel, M., Bowder, R., Gladonya, M., Zhang, Z., Elarak, S. (2013). Science, 339, 280-285.

167. Hill-Falkenthal, J., Priyadarshi, A., Savarino, J., Thiemens, M.H. et al (2013). Seasonal variations in S-35 and Delta O-17 of sulfate aerosols on the Antarctic plateau. J Geophysical Res-Atmopsheres, 118, 9444-9455.

166. Jennison, Thiemens, M.H. Et al (2012) Radar-enabled recovery of the Sutters Mill meteorite. A carbonaceous chondrite regolith breccia. Science 21, 1583-1586.

165. Thiemens, M.H., Chakraborty S., Dominguez, G. (2012). The physical chemistry of mass independent isotope effects. Annual Rev Phys Chemistry 63, 155-177.

164. Chakraborty, S., Davus, R., Mushid, A., Jackson, T., Thiemens, M.H. (2012). The oxygen isotopic fractionation in the vacuum ultra violet dissociation of carbon monoxide. J Chemical Physics 137, 024309-14.

163. Hill-Falkenthal, J., Priyadarshi, A., Thiemens, M.H. (2012) Differentiating sulfate aerosol pathways for varying source altitudes using 35-S and cap delta 17 tracers . J.Geophys Res. 117, D18302-309.

162. Lanciki, A., Cole-Dai, J., Thiemens, M.H., Savarino, J.S (2012) Sulfur isotope evidence of little or no stratospheric impacts by 1783 Laki eruption. Geophysical Research Letters 39, L01806

161. Thiemens, M.H. (2012). Acceptance of the 2012 V.M.Goldshmidt Award. Geochimica Cosmochmica Acta 89, 333-335.

160. Fei, Z., Rodin, A.S., Andreev, G.U., Bag, W., McLeon, A.S., Wagner, M., Zhang, L.M., Zhao, Z., Thiemens, M., Dominguez, G., Fogler, M., Neto, A.H., Lau, C.N., Keilman,I., Basov, D. (2012). Gate tuning of grapheme plasmons revealed by infra red nano-imaging. Nature 487, 85-87.

159. Nothing Nerdy about Maths Role in Society. San Diego Union Tribune. Mark Thiemens (2012).

158. Schauer,A.J., Kunasek, S.A., Sofen, E.D., Erbland, J., Savarino, J., Johnson, B.W., Amos, H.M., Shaheen, R., Abuanza, M., Jackson, T.L., Thiemens, M.H., Alexander, B. (2012). Oxygen isotope exchange with quartz during pyrolysis of silver and silver nitrate. Rapid. Commun. Mass Spectrom. 26, 2151-2157.

157. Danielache, S.O., Yoshikawa, C., Ueno, Y., Priyadarshi, A., Takemura, T., Ueno, Y., Thiemens, M.H., Yoshida, N. (2012). Geochemical Journal 46, 335-339.

156. Priyadarshi,A., Hill-Falkenthal, Jason, Coupla, E., Dominguez, G., Thiemens, M.H. (2012). Measurements of 35S in the marine boundary layer at La Jolla, California: A new technique for tracing air mass mixing during Santa Ana events. J Geophysical Research 117, D08301.

155. Thiemens, M.H. (2012). James R. Arnold: From the Manhattan Project to the moon and beyond. Proceedings National Academy of Science 109, 4339-4340.

154. Zhang,L.M., Andreev, G.D., Fei, Z., McLeod, A.S., Dominguez, G., Thiemens, M.H., Castro-Netro, A.M., Basov, D., Fogler, M.M. (2012) Near-field spectroscopy of silicon dioxide thin layers. Phys. Rev. B 85, 075419-075427.

153. Thiemens, M.H. (2012) Oxygen Origins. Nature Chemistry 4, 66.

152. MacPherson, G.J., Thiemens, M.H. (2011). Cosmochemistry: understanding of solar system through analysis of extra-terrestrial materials. Proceedings National Academy Science 108: 19130-19134.

*** This paper was selected as the cover article for the 11/29/2011 issue of PNAS ***

151. Thiemens, M.H (2011). 2011 Leonard Medal Award for Francois Robert. Meteoritics and Planetary Science 46, 923-925.

150. Priyadrashi,A., Dominguez, G., Savarino, J. Thiemens, M. (2011). Cosmogenic 35S: A unique tracer to Antarctic atmospheric chemistry and the polar vortex. Geophysical research Letters 38, L13808.

149. Fei,Z., Andreev, G.G., Bao, W.R., Zhang, L.F.M., McLeod, A.s., Wang, C., Stewart, M.E., Zhao, Z., Dominguez, G., Thiemens, M., Fogler, M., Tauber, M.M., Castro-Neto,, A.H. Lau, C.N., Keilmann, F., Basov, D. (2011) Infrared Nanoscopy of Dirac Plasmons at the grapheme-SiO2 interface. NanoLetters 11, 4701-4703.

148. Priyadarshi,A., Dominguez, G., Thiemens, M.H. (2011) Reply to Straub et al: Chlorine activation by neutrons as an obvious source of 35S at Fukushima. Proceedings National Academy of Sciences 108,E1389.

147. Macpherson, G.J., Thiemens, M.H. (2011) Cosmochemistry: Understanding the Solar System through analysis of extraterrestrial materials. Proceedings of the National Academy of Sciences. 108:19130-19135.

146. Muskatel, B.H., Remacle, F., Thiemens, M.H., Levine, R.D. (2011) On the strong and selective isotope effect in the UV excitation of N2 with implications toward the nebula and Martian atmosphere. Proceedings of the National Academy of Sciences 108, 6020-6025.

145. Dominguez, Thiemens Isotope Fractionations in Silicate Melts (Reply). (2012) Nature 482, E1-E2.

144. Priyadarshi, A., Dominguez, G., Thiemens, M.H. (2011) Evidence of neutron leakage at the Fukushima nuclear plant from measurements of S-35 in California. Proceedings National Academy of Sciences 108, 14422-14425

143. Dominguez, G., Wilkins, G,, Thiemens, M.H. (2011). The Soret effect and isotopic fractionation in high temperature silicate melts. Nature 473, 70-73.S.

142. Dominguez, G., Wilkins, G., Thiemens, M.H. (2010). A fundamental approach to isotopic fractionations induced by thermal gradients in melts. Geochimica Cosmochimica Acta. 74, A239.

141. Shaheen, R., Abramian, A., Horn, J., Dominguez, G., Sullivan, R., Thiemens, M.H. (2010). Detection of oxygen isotopic anomaly in terrestrial atmospheric carbonates and its implication to Mars. Proceeding of the National Academy of Sciences107, 20213-20218.

This paper was selected as the paper of the year in physical and mathematical sciences and was awarded the Cozzarelli Prize by the National Academy of Sciences.

Listen to an interview with Dr. Robina Shaheen and Prof. Mark Thiemens.

140. Ault, A.P., Gaston, C.J.,Wang, Y., Dominguez, G., Thiemens, M.H., Parther, K.A. (2010) Characterization of the single particle mixing state of individual ship plume events measured at the Port of Los Angeles. Environmental Science and Technology 44, 1954-1961.

139. Kunasek, S.A., Alexander, B., Steig, S.J., Sofen, E.D., Jackson, T.L., Thiemens, M.H., McConnell, J.R., Gleason, D.J., Amos, H.M. (2010). Sulfate sources and oxidation chemistry over the past 230 years from sulfur and oxygen isotopes of sulfate in a west Antarctic ice core. J. Geophys. Res. 115, D1813.

138. Brothers, L.A., Dominguez, G., Abrmian, A., Corbin, A., Bluen, B., Thiemens,M.H. (2010) Optimized low-level liquid scintillation spectroscopy of 35S for atmospheric and biogeochemical chemistry applications. Proceedings National Academy Sciences 107, 5311-5316.

137. Cole-Dai, J., Ferris,D., Lanciki, A., Savarino, J., Baroni, M., Thiemens, M.H. (2009). Cold Decade (AD 1810-1819) Caused by Tambora (1815) and Another (1809) Stratospheric Eruption. Geophysical Research Letters 36, L22703.

136. Response to comments on “Experimental test of self shielding in vacuum ultra violet dissociation of CO”. Chakraborty, S., Ahmed, A., Jackscon, T.L., Thiemens, M.H. (2009). Science 324, 1516d.

135. Dominguez, G., Wilkins, G., Thiemens, M.H. (2009). A photochemical model and sensitivity study of the triple-oxygen isotopic (D17O) composition of NOy, HOx, and H2O2 in a polluted boundary layer. Atmosphere Chem. Physics, 9, 13355-13406.

134. Thiemens, M.H. (2009). Review of “Oxygen in the Solar System” G.J. MacPherson, editor in Chief. Elements, volume 5, 65.

133. Michalski, G., Kasem, M., Rech, J.A., Adieu, S., Showers, W.S., Genna, B., Thiemens, M. (2008). Uncertainties in the oxygen isotopic composition of barium sulfate induced by coprecipitation of nitrate. Rapid Communications in Mass Spectrometry 22, 2971-2976.

132. Ewing, S.A., Yang, W., DePaolo, D.J., Michalski, G., Kendall, C., Stewart, B.W., Thiemens, M.H., Amundson, R. (2008). Non-biological fractionation of stable Ca isotopes in soils of the Atacama Desert, Chile. Geochimica Cosmochimica Acta 72, 1096-1110. "

131. Grossman, L., Simon, S.B., Rai, V.K., Thiemens, M.H., Hutcheon, I.D., Williams, R.W., Galy, A., Ding, T., Fedkin, A.V., Clayton, R.N., Mayeda, T.K. (2008). Primordial compositions of refractory inclusions. Geochimica Cosmochimica Acta 72, 3001-3021. "

130. Baroni, M., Savarino, J., Cole Dai, J., Rai, V.K., Thiemens, M.H. (2008). Anomalous sulfur isotope composition of volcanic sulfate over the last millennium in Antarctic ice cores. J. Geophys. Res. 113, D20112.

129. Chakraborty, S., Ahmed, M., Jackson, T.L., Thiemens, M.H. (2008). Experimental test of self-shielding in vacuum ultraviolet photodissociation of CO. Science, 321, 1328-1331.

128. Dominguez, G., Jackson, T., Brother, L., Barnett, B., Nguyen, B., Thiemens, M.H. (2008).Discovery and measurement of an isotopically distinct source of sulfate in Earth’s atmosphere. Proceedings National Academy of Science. August 27, 2008.

127. Patris, N., Cliff, S.S., Quinn, P.K., Kasem, M., Thiemens, M.H. (2007) Isotopic analysis of aerosol sulfate and nitrate during ICT-2k2: Determination of different formation pathways as a function of particle size. J. Geophysical Research, vol 112, D23301.

126. Ewing, S.A., Michalski, G., Thiemens, M., Quinn, R.C., Macalady, J.L., Kohl, S., Wankel, S.D., Kendall, C., McKay, C.P., Amundson, R. (2007). Rainfall limit of the N cycle on Earth. Global Biogeochemical Cycles. 21, GB3009 (12 pages).

125. Kimura, Y., Nuth III, J.A., Chakraborty, S., Thiemens, M.H. (2007). Non-mass-dependent isotopic fractionation in smokes produced in an electrical discharge. Meteoritics and Planetary Science 42, 1429-1439.

124. Yokoyama, T., Rai, V.K., Alexander, C.M.O., Lewis, R.S., Carlson, R.W., Shirey, S.B., Thiemens, M.H., Walker, R.J. (2007). Osmium isotope evidence for uniform distribution of s- and r-process components in the early solar system. Earth and Planetary Science Letters 259, 567-580.

123. Rai, V.K., Thiemens, M.H. (2008). Mass independently fractionated sulfur components in chondrites. Geochimica Cosmochim. Acta. 71, 1341-1354.

122. Mather, T.A., McCabe, J.R., Rai, V.K., Thiemens, M.H.., Pyle, D.M., Heaton, T.H.E., Sloane, H.J., Fern, G.R. (2007). J. geophysical. Res., 112, D09306.

121. McCabe, J.R., Thiemens, M.H., Savarino, J. (2007) A record of ozone variability in South Pole Antarctic Snow: Role of nitrate oxygen isotopes. J. Geophys. Res. 112, D12303.

120. Savarino, J., Kaiser, J., Morin, S., Sigman, D.M., Thiemens, M.H. (2007). Nitrogen and oxygen isotopic constraints on the origin of atmospheric nitrate in coastal Antarctica. Atmos. Chem. Phys. 7: 1925-1945.

119. Baroni, M., Thiemens, M.H., Delmas, R.J., Savarino, J. (2007). Mass-independent sulfur isotopic compositions in stratospheric volcanic eruptions. Science 315, 84-86.

118. Thiemens, Mark H. (2006). History and Applications of Mass Independent Isotope Effects. Annual Reviews of Earth and Planetary Sciences 34, 217-262.

117. McCabe, J.R., Savarino, J., Alexander, B., Gong, S., Thiemens, M.H. (2006). Isotopic constraints on non-photochemical sulfate production in the Arctic winter. Geophysical Research Letters 33, L05810.

116. De Angelis, M., Thiemens, M.H., Savarino, J., Petit, J.R. (2007) Contributions of an ancient evaporitic-type reservoir to Lake Vostok Chemistry. Earth and Planetary Science Letters 222, 751-765

115. Aireau, S.A., Farquhar, J., Thiemens, M.H., Leshin, L.A., Bao, H., Young, E. (2005) Planetesimal sulfate and aqueous alteration in CM and CI carbonaceous chondrites. Geochinica Cosmochimica Acta 69, 4166-4171.

114. McCabe, J.R., Boxe, C.S., Colussi, A.J., Hoffmann, M.R., Thiemens, M.H. (2005). Oxygen Isotopic fractionation in the photochemistry of nitrate and ice. J. Geophys. Res. 110, D15, D15310.

113. Rai, V.K., Jackson, T.L., Thiemens, M.H. (2005). Photochemical mass independent sulfur isotopes in achondritic meteorites. Science, 309, 1062-1065.

112. Jost, R., Michalski, G., Thiemens, M.M. (2005). Comparison of rovibronic density of symmetric versus symmetric NO2 isotopologues at dissociation threshold: Broken symmetry effects. J. (Chemistry). Physics 123, 054320.

111. Tyra, M.A., Farquhar, J., Wing, B.A., Benedix, G.K., Jull, A.J.T., Jackson, T., Thiemens, M.H. (2007). Terrestrial alteration of Antarctic CM chondrite meteorites in a suite of Antarctic CM chondrites: evidence from oxygen and carbon isotopes. Geochimica Cosmochimica Acta 71, 782-795.

110. Michalski, G., Bockheim, J.G., Kendall, C., Thiemens, M. (2005). Isotopic composition of Antarctic Dry Valley nitrate: Implications for NOy sources and cycling in Antarctica. Geophys. Res. Letters 32, 13817

109. Mather, T.A., McCabe, J.R., Rai, V.K., Thiemens, M.H., Pyle, D.M., Heaton, T.H.E., Sloane, H.J., Fern, G. (2006) Oxygen and sulfur isotopic composition of volcanic sulfate aerosol at the point of emission. J. Geophys. Res. 111, D18205.

108. Alexander, B. Park, R.J., Jacob, D.J., Li, Q.B., Yantosca, R.M., Savarino, J., Lee, C.C.W., Thiemens, M.H. (2005). Sulfate formation in sea-salt aerosols: Constraints from oxygen isotopes. J. Geophys. Res. Atmospheres). J. Geophys. Res. 110, D10307.

107. Michalski, G., Meixner, T., Fenn, M., Hernandez, L., Sirulnik, E., Allen, E., Thiemens, M. Tracing atmospheric nitrate deposition in a complex semiarid ecosystem using D17O. Environ. Sci. tech. 38, 2175-2181.

106. Michalski, G., Jost, R., Sugny, D., Joyeux, M. and Thiemens, M. Dissociation energies of six NO2 isotopologues by laser induced fluorescence spectroscopy and zero point energy of some triatomic molecules. J. Chemistry. Physics, 121:7153-7161 (2004).

105. Michalski, G., Bohlke, J.K. and Thiemens, M. Long term atmospheric deposition as the source of nitrate and other salts in the Atacama Desert, Chile: New evidence from mass-independent oxygen isotopic compositions. Geochimica et Cosmochimica Acta, 68:4023-4038 (2004)

104. Paytan, A., Kastner, M., Campbell, D. and Thiemens, M.H. Seawater Sulfur Isotope Fluctuations in the Cretaceous. Science, 304:1663-1665 (2004).

103. Alexander, B., Savarino, J., Kreutz, K.J. and Thiemens, M.H. Impact of preindustrial biomass-burning emissions on the oxidation pathways of tropospheric sulfur and nitrogen. J. Geophys. Res., 109:D08303 (2004).

102. Boering, K.A., Jackson, T., Hoag, K.J., Cole, A.S., Perri, M.J., Thiemens, M.H. and Atlas, E. Observations of the anomalous oxygen isotopic composition of carbon dioxide in the lower stratosphere and the flux of the anomaly to the troposphere. Geophys. Res. Lett., 31: (2004).

101. "Alexander, B., Thiemens, M.H., Farquhar, J., Kaufman, A.J., Savarino, J. and Delmas, R.J. East Antarctic ice core sulfur isotope measurements over a complete glacial-interglacial cycle. J. Geophys. Res., 108:18-1 – 18-7 (2003).

100. Farquhar, J., Johnston, D.T., Wing, B.A., Habicht, K.S., Canfield, D.E. Aireau, S. Thiemens, M.H.(2003). Multiple sulfur isotopic interpretation of biosynthetic pathways: implications for biological signatures in the sulfur isotope record. Geobiology 1 (1), 27-36.

99. Savarino, J., Romero, A., Cole-Dai, J., Bekki, S. and M.H. Thiemens. UV induced mass-independent sulfur isotope fractionation in stratospheric volcanic sulfate. Geophys. Res. Lett., 30:11-1 – 11-4 (2003).

98. Thiemens, M.H. Stable Isotope GeoChemistry. Meteoritics & Planetary Sci., 10:1547-1548 (2003). (Book Review)

97. Savarino, J., Bekki, S., Cole-Dai, J. and Thiemens, M.H. Evidence from sulfate mass independent oxygen isotopic compositions of dramatic changes in atmospheric oxidation following massive volcanic eruptions. J. Geophys. Res., 108:7-1 – 7-6 (2003).

96. Michalski, G., Scott, Z., Kaibling, M. and Thiemens, M. First Measurements and Modeling of Δ17O in Atmospheric Nitrate. Geophys. Res. Let., 30:14-1 – 14-4 (2003).

95. Thiemens, M. H. and McDonald, K. The origins of life and UCSD’s scientific tradition. San Diego Union Tribune, May 16, 2003.

94. Bhattacharya, S.K., Chakraborty, S., Savarino, J. and Thiemens, M.H. Reply to comment by D. Krankowski et al. on “Low Pressure dependency of the isotopic enrichment in ozone: Stratospheric implications.” J. Geophys. Res., 108:9-1 – 9-3.

93. Romero, A.B. and Thiemens, M.H. Mass-independent sulfur isotopic compositions in present day sulfate aerosols. J. Geophys. Res., 108:8-1 – 8-7 (2003).

92. Thiemens, M.H. Non-mass-dependent Isotopic Fractionation Processes: Mechanisms and Recent Observations in Terrestrial and Extra-terrestrial Environments. Treastise On GeoChemistry,

91. Bao, H. Thiemens, M.H., Loope, D.B., Yuan, X-L. Sulfate oxygen-17 anomaly in Oligocene ash bed in mid-North America: Was it the dry fogs? Geophys. Res. Let., 30:1-1 – 1-4. (2003)

90. Alexander, B., Savarino, J., Barkov, N.I., Delmas, R.J. and Thiemens, M.H. Climate driven changes in the oxidation pathways of atmospheric sulfur. Geophys. Res. Let., 29:30-1—30-4 (2002)

89. Bhattacharya, S.K., Chakraborty, S., Savarino, J. and Thiemens, M.H. Low-Pressure Dependency of the Isotopic Enrichment in Ozone: Stratospheric Implications. J. Geophys. Res., 107:4-1 – 4-10 (2002)

88. Thiemens, M.H. Mass-Independent Isotope Effects and their Use in Understanding Natural Processes. Israel Journal of Chemistry, 42:43-54 (2002).

87. Lee, C.C.-W., Savarino, J., Cachier, H. and Thiemens, M.H. Sulfur (32S, 33S, 34S, 36S) and oxygen (16O, 17O, 18O) isotopic ratios of primary sulfate produced from combustion processes. Tellus, 54B:193-200 (2002).

86. Boutwell, J. and Thiemens, M.H. A link between science and security. San Diego Union Tribune, May 7, 2002.

85. Benedix, G.K., Leshin, L.A., Farquhar, J., Jackson, T. and Thiemens, M.H. Carbonates in CM2 Chondrites: Constraints on Alteration Conditions From Oxygen Isotopic Compositions and Petrographic Observations. (2002) Geochimica et Cosmochimica Acta, 67:1577-1588 2003.

84. Farquhar, J., Wing, B.A., McKeegan, K.D., Harris, J.W., Cartigny, P. and Thiemens, M.H. Mass-Independent Sulfur of Inclusions in Diamond and Sulfur Recycling on Early Earth. Science, December 2002, 298:2369-2372.

83. Miller, M.F., Franchi, I.A., Thiemens, M.H., Jackson, T.L., Brack, A. Kurat, G. Pillinger, C.T. Mass-independent fractionation of oxygen isotopes during thermal decomposition of carbonates. Proc. Nat’l. Acad. Sci., 99:10988-10993 (2002).

82. Bao, H., Michalski, G. Thiemens, M.H. (2001). Sulfate oxygen-17 anomalies in desert varnishes. Geochimica Cosmochimica Acta 65, 2029-2036.

81. Michalski, G., J. Savarino, J.K. Böhlke, and Mark H. Thiemens. Determination of the Total Oxygen Isotopic Composition of Nitrate and the Calibration of a Δ17O Nitrate Reference Material. Analytical Chemistry, 74:4989-4993 (2002).

80. Thiemens, M.H. The case for scientific literacy. San Diego Union Tribune. December 21, 2001.

79. Thiemens, M.H. Fighting Terrorism With Basic Science. San Diego Union Tribune. November 16, 2001.

78. Alexander, B., Vollmer, M. K., Jackson, T., Weiss, R.F. and Thiemens, M.H. Stratospheric CO2 isotopic anomalies and SF6 and CFC tracer concentrations in the Arctic polar vortex. Geophys. Res. Let., 28:4103-4106 (2002).

77. Lee, C.C-W., Savario, J. and Thiemens, M. Mass Independent Oxygen Isotopic Composition of Atmospheric Sulfate: Origin and Implications for the Present and Past Atmosphere of Earth and Mars. Geophysical Research Letters, 28:1783-1786 (2001).

76. Thiemens, M.H. Citation for presentation of the 2000 F.W. Clarke Award to James Farquhar. Geochimica et Cosmochimica Acta, 65:1011-1012 (2001).

75. Savarino, J., Alexander, B., Darmohusodo, V. and Thiemens, M.H. Sulfur and Oxygen Isotope Analysis of Sulfate at Micromole Levels Using a Pyrolysis Technique in a Continuous Flow System. Analytical Chemistry, 73:4457-4462 (2001).

74. Savarino, J., and Thiemens, M.H. L'Ozone, Une Molecule Hors La Loi. La Recherche, 348:40-43 (2001).

73. Thiemens, M.H., Savarino, J., Farquhar, J. and Bao, H. Mass-independent isotopic compositions in terrestrial and extraterrestrial solids and their Applications. Accounts of Chemical Research, 34:645-652 (2001).

72. Farquhar, J., Bao, H. and Thiemens, M.H. Questions Regarding Precambrian Sulfur Isotope Fractionation. Science, 292:1959 (2001).

71. Thiemens, M.H., The Mass-Independent Ozone Isotope Effect. Science, 293:226 (2001).

70. Farquhar, J., Savarino, J., Airieau, S. and Thiemens, M.H. Observation of wavelength-sensitive mass-independent sulfur isotope effects during SO2 photolysis: Implications for the early atmosphere. J. Geophys. Res., 106:32829-32839 (2001).

69. Bao, H., Thiemens, M.H., and Heine, K. Oxygen-17 Excesses of the Central Namib Gypcretes: Spatial Distribution. Earth and Planetary Science Letters, 192:125-135 (2000).

68. Bao, H., Campbell, D.A., Bockhelm, J.G. and Thiemens, M.H. Origins of Sulphate in Antarctic Dry-Valley Soils as Deduced from Anomalous 17O Compositions. Nature, 407:499-502 (2000).

67. Bhattacharya, S.K., Savarino, J. and M.H. Thiemens. A new class of oxygen isotopic fractionation in photodissociation of carbon dioxide: Potential implications for atmospheres of Mars and Earth. Geophys. Res. Let., 27:1459-1762 (2000).

66. Lee, C.W. and Thiemens, M.H. The δ17O and δ18O Measurements of Atmospheric Sulfate from a Coastal and High Alpine Region: A Mass-Independent Isotopic Anomaly. J. Geophys. Res.-Atmospheres, 106:17359-17373 (2000).

65. Farquhar, J., Bao, H. and Thiemens, M.H. Atmospheric influence of Earth’s earliest sulfur cycle. Science, 289:756-758 (2000).

64. Bao, H., Thiemens, M.H., Farquhar, J., Campbell, D.A., Lee, C.W., Heine, K., and D.B. Loope, D.B. Anomalous 17O compositions in massive sulphate deposits on the Earth. Nature, 406:176-178 (2000).

63. Bao, H., Koch, P.L. and Thiemens, M.H. Oxygen isotopic composition of ferric oxides from recent soil, hydrologic, and marine environments. Geochimica et Cosmochimica Acta, 64:2221-2231 (2000).

62. Savarino, J., Lee, C.W. and Thiemens, M.H. Laboratory oxygen isotopic study of sulfur (IV) oxidation: Origin of the mass independent oxygen isotopic anomaly in atmospheric sulfates and sulfate mineral deposits on Earth. Journal of Geophysical Research, 105:29079-29088 (2000).

61. Bao, H., Michalski, G.M. and Thiemens, M.H. Sulfate oxygen-17 anomalies in desert varnishes. Geochimica Cosmochimica Acta, 65:2029-2036 (2000).

60. Bao, H. and M.H. Thiemens. Generation of O2 from BaSO4 using a CO2-laser fluorination system for both simultaneous analysis of δ18O and δ17O. Analytical Chemistry, 72:4029-4032 (2000).

59. Farquhar, J., Savarino, J., Jackson, T.L. and M.H. Thiemens. Evidence of atmospheric sulphur in the Martian regolith from sulphur isotopes in meterorites, Nature, 404:50-52, Mar., 2000.

58. Farquhar, J., Jackson, T.L. and M.H. Thiemens. A 33S enrichment in ureilite meteorites: Evidence for a nebular sulfur component. Geochimica.Cosmochimica.Acta., 64:1819-1825, May, 2000.

57. Farquhar, J. and M.H. Thiemens. The Oxygen cycle of the Martian atmosphere-regolith system: Δ17O of secondary phases in Nakhla and Lafayette. Journal of Geophysical Research, 105:11,991-11,998, 2000.

56. Savarino, J. and Thiemens, M.H. Mass-Independent Oxygen Isotope (16O, 17O, 18O) Fractionation Found In Hx, +Ox Reactions. J.Phys. (Chemistry). A 103:9221-9229, 1999.

55. Heymann, D., Cataldo, F., Thiemens, M.H., Fokkens, R., Nibbering, N.M.M., and Vis, R. Soluble Products From Photo-Polymerization of Carbon Disulfide in “Recent Research and Development In PhotoChemistry and Photobiology”, 3:133-145,1999.

54. Thiemens, M.H. Mass Independent Isotope Effects in Planetary Atmospheres and the Early Solar System. Science, 283:341-345, 1999.

53. Luz, B., Barkan, E., Bender, M.L., Thiemens, M.H. and K. A. Boering. Triple isotope composition of atmospheric oxygen as a tracer of biosphere productivity. Nature, 400:547, 1999.

52. Savarino, J. and M.H. Thiemens. Analytical procedure To determine both d18O and d17O of H2O2 in natural water and first measurements. Atmospheric Environment, 33:3683-3690, 1999.

51. Paytan, A., Kastner, M., Campbell, D. and M.H. Thiemens. Sulfur Isotopic Composition of Cenozoic Seawater Sulfate. Science 282:1459-1462, 1998.

50. Farquhar, J., Thiemens, M.H. and T.L. Jackson. Atmosphere-Surface Interactions on Mars: ∆17O measurements of carbonate from ALH 84001. Science, 280:1580-1582, 1998.

49. Huff, A.K. and M.H. Thiemens. 17O/16O and 18O/16O Isotope Measurements of Atmospheric Carbon Monoxide and Its Sources. Geophys. Res. Letters, 25:3509-3512, 1998

48. Cliff, S.S. and M.H. Thiemens. The 18O/16O and 17O/16O Ratios in Atmospheric Nitrous Oxide: A Mass-Independent Anomaly. Science, 278:1774-1775, 1997.

47. Cliff, S.S., Brenninkmeijer, C.A.M. and M.H. Thiemens. First measurement of the 18O/16O and17O/16O Ratios in Stratospheric Nitrous Oxide: A Mass Independent Anomaly. Journal of Geophysical Research, 104:16,171-16,175,1999.

46. Zmolek, P., Xianping, X., Jackson, T.L., Thiemens, M.H. and W. C. Trogler. Large Mass Independent Sulfur Isotope Fractionations During the Photopolymerication of 12CS2 and 13CS2. The Journal of Physical Chemistry A, 103:2477-2480,1999.

45. Cooper, G.W., Thiemens, M.H., Jackson, T.L. and S, Chang. Sulfur and Hydrogen Isotope Anomalies in Meteoritic Sulfonic Acids: Interstellar CS Chemistry? Science, 277:1072-1074, 1997.

44. Glickman, M.H., Cliff, S.S., Thiemens, M.H. and J. P. Klinman. Comparative Study of 17O and 18O Isotope Effects As a Probe for Dioxygen Activation: Application to the Soybean Lipoxygenase Reaction. Journal of the American Chemical Society, 119:11357-11361, 1997.

43. Huff, A.K., Cliff, S.S. and M.H. Thiemens. Portable Cryogenic Collection of Atmospheric Nitrous Oxide and Carbon Monoxide For High Precision Isotopic Analysis. Analytical Chemistry, 69:4267-4270, 1997.

42. Johnston, J.C. and M.H. Thiemens. (1997) The Isotopic Composition of Tropospheric Ozone in Three Environments. Journal of Geophysical Research, (Atmospheric Chemistry), 102:25395-25404, 1997.

41. Heymann, D., Yancey, T.E., Wolbach, W.S., Thiemens, M.H., Johnson, E., Roach, D. and S. Moecker. GeoChemical markers of the Cretaceous-Tertiary boundary event at the Brazos River, Texas, USA. Geochimica Cosmochimica Acta, 62:173-181, 1998.

40. Thiemens, M.H., Mass-Independent Isotopic Effects In Chondrites: The Role of Chemical Processes in Chondrules And The Protoplanetary Disk, p. 107-119. Hewins, R.H., Jones, R.H. and E.R.D. Scott, eds. Cambridge Univ. Press. 1995.

39. Colman, J.J., Xu, X., Thiemens, M.H. and W. C. Trogler. Photopolymerization and Mass-Independent Sulfur Isotope Fractionations in Carbon Disulfide. Science, 273:774-776 1996.

38. Thiemens, M.H., Jackson, T.L., Zipf, E. C., Erdman, P.W. and C. Van Egmond, Carbon Dioxide and Oxygen Isotope Anomalies In The Mesosphere and Stratosphere. Science, 270:969-972, 1995.

37. Johnston, J. C., Cliff, S., S., and M.H. Thiemens. Measurement of Multi Oxygen Isotopic (d18O & d17O) Fractionation Factors in the Stratospheric Sink Reactions of Nitrous Oxide. Journal of Geophysical Research 100:16,801-61,804, 1995.

36. Thiemens, M.H., Brenninkmeijer, C.A.M. and T. L. Jackson. Observation Of A Mass Independent Oxygen Isotopic Composition In Terrestrial Stratospheric CO2, The Link To Ozone Chemistry, And The Possible Occurrence In The Martian Atmosphere. Geophysical Research Letters, 22:255-257, 1995.

35. Beaudoin, G., Taylor, B.E., Rumble III, D. and M. Thiemens. Variations in the Sulfur Isotope Composition of Troilite from the Cañon-Diablo Iron Meteorite. Geochimica et Cosmochimica Acta, 58:4253-4255, 1994.

34. Cliff, S. S. and M.H. Thiemens. High-Precision Isotopic Determination of the 18O/16O and 17O/16O Ratios in Nitrous Oxide. Analytical Chemistry, 66:2791-2793, 1994.

33. Wen, J. and M.H. Thiemens. First Multi-Isotopic Study of the O (1D)+CO2 Exchange and Stratospheric Consequences. J. Geophys. Res. 98:12,801-12,808, 1993.

32. Gao, X. and M.H. Thiemens. Isotopic Composition and Concentration of Sulfur in Carbonaceous Chondrites. Geochimica Cosmochimica Acta, 57:3159-3169, 1993.

31. Gao, X. and M.H. Thiemens. Variations of the Isotopic Composition of Sulfur in Enstatite and Ordinary Chondrites. Geochimica Cosmochimica Acta 57:3171-3176, 1993.

30. Thiemens, M.H. Mass Independent Isotopic Fractionations and Their Applications, ACS Volume Based on Isotope Effects in Chemical Reactions and Photodissociation Processes, ACS Symposium Series 502:138-154, 1992.

29. Wen, J and M.H. Thiemens. First Multi-Isotopic Study of the O(1D)+CO2 Exchange and Stratospheric Consequences, 1990.

28. Thiemens, M.H. and T.L. Jackson. Oxygen Isotope Fractionation in Stratospheric CO2. Geophys. Research Letters, 18:669-672, 1991.

27. Gao, X. and M.H. Thiemens. Systematic Study of Sulfur Isotopic Composition in Iron Meteorites and the Occurrence of Excess 33S and 36S. Geochimica Cosmochimia Acta, 55:2671-2679, 1991.

26. Thiemens, M. and W.C. Trogler. Nylon Production: An Unknown Source of Atmospheric Nitrous Oxide, Science, 251:932-934, 1991.

25. Wen, J. and M.H. Thiemens. Experimental and Theoretical Study of Isotope Effects on Ozone Decomposition. J. Geophys. Res., 96:10,911-10,921, 1991.

24. Thiemens, M.H. and S. K. Bhattacharya. New Quantum Chemical Isotope Effects: Application to the Pre-Solar Nebula, Planetary Atmospheres and Interstellar Space. Proc. Indian Academy of Sciences (in honor of D. Lal's 60th birthday), Bangalore 560 080, 1989.

23. Nelson, R. N., Dong, Q.W., Thiemens, M.H. and J. A. Nuth, III. Non-Mass Dependent Oxygen Isotopic Fractionation During the Condensation of Refractory Oxides. Proc. 2lst Lunar and Planet. Sci. Conf., Houston, 871-872, 1990.

22. Bhattacharya, S. K. and M.H. Thiemens. Effect of Isotopic Exchange Upon Symmetry Dependent Fractionation in the O+CO ® CO2 Reaction. Zeitschrift für Naturforschung 44a:811-813, 1989.

21. Bhattacharya, S. K. and M.H. Thiemens. New Evidence for Symmetry Dependent Isotope Effects: O+CO Reaction (in honor of 70th birthday of J. Bigeleisen). Zeitschrift für Naturforschung 44:435-444, 1989.

20. Bains-Sahota, S.K. and M.H. Thiemens. A Mass-Independent Sulfur Isotope Effect in the Non-Thermal Formation of S2F10. J. Chemical Phys. 90: 6099-6109, 1989.

19. Thiemens, M.H. 12.1 Heterogeneity in the Nebula: Evidence from Stable Isotopes. In Meteorites and the Early Solar System. ed. J. F. Kerridge, M. S. Matthews, Univ. of Arizona Press, Tucson, Ariz., 899-923, 1988.

18. Thiemens, M.H. and T.L. Jackson. New Experimental Evidence for the Mechanism for Production of Isotopically Heavy O3. Geophys. Res. Lett., 15:639-642, 1988.

17. Bains-Sahota, S.K. and M.H. Thiemens. Fluorination of SF4, SF5Cl and S2F10 to SF6 for Mass Spectrometric Isotope Ratio Analysis. Analytical Chemistry 60:1084-1086, 1988.

16. Bhattacharya, S. K. and M.H. Thiemens. Isotopic Fractionation in Ozone Decomposition. Geophys. Res. Lett. 15:9-12, 1988.

15. Thiemens, M.H. and T.L. Jackson. Production of Isotopically Heavy Ozone by Ultraviolet Light Photolysis of O2. Geophys. Res. Lett. 14:624-627, 1987.

14. Bains, S. K. and M.H. Thiemens. Mass-Independent Oxygen Isotope Fractionation in a Microwave Plasma. J. Phys., (Chemistry). 91:4370-4374, 1987

13. Heidenreich, J. E., III and M.H. Thiemens. A Non-Mass-Dependent Oxygen Isotope Effect in the Production of Ozone from Molecular Oxygen: The Role of Molecular Symmetry in Isotope Chemistry. J. (Chemistry). Phys. 84:2129-2136, February, 1986.

12. Heidenreich, J. E., III and M.H. Thiemens. The Non-Mass-Dependent Oxygen Isotope Effect in the Electrodissociation of Carbon Dioxide: A Step Toward Understanding NoMaDic Chemistry. Geochim. Cosmochim. Acta 49:1303-1306, 1985.

11. Thiemens, M.H. and D. Meagher. The Cryogenic Separation of Nitrogen and Oxygen in Air for Determination of Isotopic Ratios by Mass Spectrometry. Analytical Chemistry 56:201-203, February, 1984.

10. Thiemens, M.H. New Isotopic Evidence for Early Solar System Processes. Nature 306:18-19, Nov. 3, 1983.

9. Thiemens, M.H. and J. E. Heidenreich III. The Mass-Independent Fractionation of Oxygen: A Novel Isotope Effect and Its Possible CosmoChemical Implications. Science 219:1073-1075, March 4, 1983 .

8. Heidenreich, J. E., III and M.H. Thiemens. Non Mass-Dependent Isotope Effect in the Production of Ozone from Molecular Oxygen. J. Chem. Phys. 78-:892-895, 1982.

7. Thiemens, M.H. and R. N. Clayton. Nitrogen contents and isotopic ratios of clasts from the enstatite chondrite Abee. Earth and Planet. Sci. Lett. 62:165-168, 1982.

6. Thiemens, M.H. and R. N. Clayton. Nitrogen isotopes in the Allende meteorite. Earth and Planet. Sci. Lett. 55:363-369, 1981.

5. Thiemens, M.H. and R. N. Clayton. Solar and cosmogenic nitrogen in the Apollo 17 deep drill core. Proc. Lunar Sci. Conf. XI, Geochim. Cosmochim. Acta 2, Suppl. 14:1435-1451, 1980.

4. Clayton, R. N. and M.H. Thiemens. Lunar nitrogen: Evidence for secular change in the solar wind. Proc. of the Conf. on the Ancient Sun: Fossil Record in the Earth, Moon and Meteorites. Eds. R. O. Pepin, J. A. Eddy and R. B. Merrill, 463-473, Pergamon Press, 1980.

3. Vander Wood, T. and M.H. Thiemens. The fate of the hydroxyl radical in the earth's primitive atmosphere and implications for the production of molecular oxygen. J. Geophys. Res 85:1605-1610, 1980.

2. Thiemens, M.H. and R. N. Clayton. Ancient solar wind in lunar microbreccias. Earth and Planet. Science. Lett. 47:34-42, 1979.

1. Thiemens, M.H. and J. S. Zaneveld. An investigation of the pore fluid composition of the lower Chesapeake Bay. Virginia Journal of Science 50:893 (1973).

Last updated: 03/15/2017

Keywords, UCSD, chemistry, Mark Thiemens, research group, Lauren brothers,anthony fry, mang lin, justin mccabe, subrata chakraborty, vinai rai, gerardo dominguez, terri jackson, robina shaheen, chemistry, geochemistry, biogeochemistry isotopes, oxygen d17o d18o d15n 35s d34s d33s