University of Arizona 2000 M.S. Geological Sciences
University of Arizona 2004 Ph.D. Geological Sciences
Professional Experience:
Technical Editor, The Canadian Mineralogist, 2004-2007
Technical Editor, American Mineralogist, 2004-2007
Crystallography postdoctoral fellow, University of Arizona, 9/2004-6/2007
AAAS / American Institute of Physics Congressional Science Fellow, 9/2008-8/2009
Assistant Director of Federal Relations, University of Arizona, 9/2011-Present
Courses Taught:
Natural Science 101 The Earth and its Environment: Geological Perspective Spring 2005
Geosciences 216 Dinosaurs! Spring 2006
Ecology and Evolutionary Biology/Geosciences/Global Change 496s/596s
Selected Topics for Science Educators: Global Climate Change Fall 2006
Geosciences 216 Dinosaurs! Spring 2007
Ecology and Evolutionary Biology/Geosciences/Global Change 496s/596s
Selected Topics for Science Educators: Edges of Life Spring 2008
Geosciences 216 Dinosaurs! Spring 2008
Ecology and Evolutionary Biology/Geosciences/Global Change 496s/596s
Selected Topics for Science Educators: Mind and Brain Spring 2010
Abstracts from Meetings:
Thompson, R.M., and Downs, R.T. (1999) Quantitative analysis of the
closest-packing of anions in mineral structures as a function of pressure,
temperature, and compositions. EOS Transactions, AGU, 80 (46), Fall
Meeting Supplement, Abstract F1107.
Thompson, R.M., Downs, R.T., and Lienert,
C. (2001) Ideal Pyroxene Topologies. In Eleventh Annual V.M. Goldschmidt
Conference, Abstract#3149, LPI Contribution No. 1088, Lunar and Planetary
Institute, Houston (CD-ROM). May 20-24, Hot Springs, VA.
Thompson, R.M., Downs, R.T., and Teter,
D.M. (2001) Packing systematics of stishovite. EOS Transactions, AGU, 82
(47), Fall Meeting Supplement, Abstract F1156.
Origlieri, M.J., Thompson,
R.M., Downs, R.T., and Gibbs, G.V. (2002)
The relationship between compression anisotropy
observed in the pyroxenes and oxide anion non-bonded repulsions. 18th General
Meeting of the International Mineralogical Association, 1-6 Sept,
2002, Edinburgh, Scotland. Programme With Abstracts, page 71.
Thompson, R.M., and Downs, R.T. (2002) Model Pyroxenes and Transition
Pathways. 18th General Meeting of the International Mineralogical
Association, 1-6 Sept, 2002, Edinburgh, Scotland. Programme
With Abstracts, page 85.
Thompson, R.M., Downs, R.T. (2004) Volume of C2/c
pyroxenes at mantle P, T, and x. EOS Transactions, AGU, 85 (47), Fall
Meeting Supplement, Abstract MR11A-0891.
Fong-Kee, G. (San Miguel High School), Thompson, R.M., and Downs, R.T. (2006)
Mineralogy and Crystallography, Undergraduate Biology Research Program
Summer Poster Session, University of Arizona.
Mangin, K.L., Thompson, R.M., Wilch, M., and Gori, D.F. (2006),
Teachers learning to teach science by doing science at the
University of Arizona, EOS Trans. AGU, 87(52), Fall Meet. Suppl.,
Abstract ED12A-04.
Thompson, R.M., and Downs, R.T. (2006), The
crystal structure of diopside at pressure to 10 GPa. EOS Trans. AGU,
87(52), Fall Meet. Suppl., Abstract MR21B-0018.
Downs, R.T., Thompson, R.M., Pommier, C.J.S., McCarthy, A.C., Yang, H. (2007)
Crystal chemistry of pyroxene compression. Study of Matter at Extreme Conditions Conference,
Miami Beach, April 15-20, 2007.
Thompson, R.M., McCarthy A.C., and Downs, R.T., (2007)
Crystal chemical controls on EOS. EOS Trans. AGU, 88(52), Fall Meet. Suppl.,
Abstract DI44A-03.
Mangin, K., Wilch, M.H., Thompson, R.M., and Ruiz, J. (2008) Science for the masses: A public
lecture series and associated courses for K-12 educators at the University
of Arizona. EOS Trans. AGU, 89(53), Fall Meet. Suppl.,
Abstract ED41A-0564.
Thompson, R.M., and Mangin, K. (2008) Teaching citizenship
in science classes at the University of Arizona. EOS Trans. AGU,
89(53), Fall Meet. Suppl., Abstract ED42A-05.
D'Emic, M., Wilson, F.A., and Thompson, R. (2010) The end of the Cretaceous
sauropod dinosaur hiatus in North America. GSA Denver Annual Meeting, Paper
No. 2-2.
Thompson, R.M., Downs, R.T., and Dera, P. (2011) Three adventures in mathematical crystallography.
Abstract MR43A-2123 presented at 2011 Fall Meeting, AGU, San Francisco, Calif., 5-9 Dec.
Journal Publications:
Thompson, R.M., and Downs, R.T. (2001) Quantifying
distortion from ideal closest-packing in a crystal structure with analysis
and application. Acta Crystallographica B57, 119-127. (pdf file)
Thompson, R.M., and Downs, R.T. (2001) The systematic generation of all
nonequivalent closest-packed stacking sequences of length N using
group theory. Acta Crystallographica
B57, 766-771. (pdf file)
Thompson, R.M. and Downs, R.T. (2003) Model pyroxenes I: Ideal pyroxene topologies. American
Mineralogist 88, 653-666. (pdf file)
Origlieri, M.J., Downs, R.T., Thompson, R.M., Pommier, C.J.S., Denton, M.B., and Harlow, G.E.
(2003) High-pressure crystal structure of kosmochlor, NaCrSi2O6,
and systematics of anisotropic compression in pyroxenes.
American Mineralogist, 88, 1025-1032.
(pdf file)
(erratum)
Thompson, R.M., and Downs, R.T. (2004) Model pyroxenes II: Structural variation as a
function of tetrahedral rotation. American Mineralogist 89,
614-628. (pdf file)
Thompson, R.M., Downs, R.T., and Redhammer, G.J. (2005) Model pyroxenes III: Volume
of C2/c pyroxenes at mantle P, T, and x. American Mineralogist
90, 1840-1851. (pdf file)
Uchida, H., Downs, R.T., and Thompson, R.M. (2007) Reinvestigation of eakerite,
Ca2SnAl2Si6O18(OH)2*2H2O:
H-atom positions by single-crystal X-ray diffraction and correlation with
Raman spectroscopic data. Acta Crystallographica E63, i47-i49. (
pdf file)
Thompson, R.M., and Downs, R.T. (2008) The crystal structure of diopside at pressure
to 10 GPa. American Mineralogist 93, 177-186.
(pdf file)
McCarthy, A.C., Downs, R.T., and Thompson, R.M. (2008) Compressibility trends of the
clinopyroxenes, and in-situ high-pressure single-crystal X-ray diffraction
study of jadeite. American
Mineralogist 93, 198-209. (pdf file)
Nestola, F., Boffa Ballaran, T., Liebske, C., Thompson, R.M., and Downs, R.T.
(2008) The effect of the hedenbergitic substitution on the compressibility
of jadeite. American Mineralogist
93, 1005-1013. (pdf file)
McCarthy,
A.C., Downs, R.T., Thompson, R.M., and Redhammer, G.J. (2008) In-situ
high-pressure single-crystal X-ray study of aegirine, NaFe3+Si2O6, and the role of
M1 size in clinopyroxene compressibility. American Mineralogist 93,
1829-1837. (pdf file)
Aydin, F., Thompson, R.M., Karsli, O., Uchida, H., Burt, J.B., and Downs, R.T.
(2009) C2/c pyroxene phenocrysts from three potassic series in the
Neogene alkaline volcanic, NE Turkey: their crystal chemistry with
petrogenetic significance as an indicator of P-T conditions. Contributions
to Mineralogy and Petrology 158, 131-147.
(pdf file)
Thompson, R.M., and Downs, R.T. (2010) Packing systematics of the silica polymorphs:
The role played by O-O nonbonded interactions in the compression of
quartz. American Mineralogist 95,
104-111. (pdf file)
D'Emic, M.D., Wilson, J.A., and Thompson, R.M. (2010) The end of the sauropod
hiatus in North America. Palaeogeography, Palaeoclimatology, Palaeoecology
297, 486-490. (pdf file)
Thompson, R.M., Downs, R.T., and Dera, P. (2011) The compression pathway of quartz.
American Mineralogist 96, 1495-1502. (pdf file)
(appendix) (deposit)
Tait, K.T., Barkley, M.C., Thompson, R.M., Origlieri, M.J., Evans, S.H., Prewitt, C.T., and Yang, H. (2011)
Bobdownsite, A new mineral species from Big Fish River, Yukon, Canada, and its structural relationship
with whitlockite-type compounds. The Canadian Mineralogist 49, 1065-1078. (pdf file)
Yang, H., Jenkins, R.A., Thompson, R.M., Downs, R.T., Evans, S.H., and Bloch, E.M. (2012)
Markascherite, Cu3(MoO4)(OH)4, a new mineral species polymorphic with szenicsite,
from Copper Creek, Pinal County, Arizona, U.S.A. American Mineralogist 97, 197-202
(pdf file)
Thompson, R.M., Yang, H., and Downs, R.T. (2012)
Packing systematics and structural relationships of the new copper molybdate
markascherite and related minerals. American Mineralogist 97, 1977-1986
(pdf file)