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Research Output 1988 2019

  • 2878 Citations
  • 34 h-Index
  • 87 Article
  • 2 Chapter
  • 1 Conference contribution
2019

Petrology and geochemistry of olivine-phyric shergottites LAR 12095 and LAR 12240: Implications for their petrogenetic history on Mars

Dunham, E. T., Balta, J. B., Wadhwa, M., Sharp, T. & McSween, H. Y., Apr 1 2019, In : Meteoritics and Planetary Science. 54, 4, p. 811-835 25 p.

Research output: Contribution to journalArticle

Open Access
shergottites
nunatak
petrology
geochemistry
olivine
1 Citation (Scopus)

Shock conditions recorded in NWA 8159 martian augite basalt with implications for the impact cratering history on Mars

Sharp, T., Walton, E. L., Hu, J. & Agee, C., Feb 1 2019, In : Geochimica et Cosmochimica Acta. 246, p. 197-212 16 p.

Research output: Contribution to journalArticle

cratering
augite
Mars
Meteorites
basalt
2018
1 Citation (Scopus)
shock metamorphism
meteorites
meteorite
shock
science
2 Citations (Scopus)

Investigating the response of biotite to impact metamorphism: Examples from the Steen River impact structure, Canada

Walton, E. L., Sharp, T., Hu, J. & Tschauner, O., Jan 1 2018, In : Meteoritics and Planetary Science. 53, 1, p. 75-92 18 p.

Research output: Contribution to journalArticle

impact structure
biotite
Canada
rivers
metamorphism
2017
5 Citations (Scopus)

A nonmagnetic differentiated early planetary body

Weiss, B. P., Wang, H., Sharp, T., Gattacceca, J., Shuster, D. L., Downey, B., Hu, J., Fu, R. R., Kuan, A. T., Suavet, C., Irving, A. J., Wang, J. & Wang, J., Jun 15 2017, In : Earth and Planetary Science Letters. 468, p. 119-132 14 p.

Research output: Contribution to journalArticle

achondrite
Solar system
achondrites
parent body
solar system
7 Citations (Scopus)
wadsleyite
chondrite
Minerals
low pressure
olivine

Shock metamorphism of clay minerals on Mars by meteor impact

Michalski, J. R., Glotch, T. D., Friedlander, L. R., Darby Dyar, M., Bish, D. L., Sharp, T. & Carter, J., Jul 16 2017, In : Geophysical Research Letters. 44, 13, p. 6562-6569 8 p.

Research output: Contribution to journalArticle

shock metamorphism
meteoroids
meteor
mars
clays
2016
11 Citations (Scopus)
impact structure
Garnets
garnet
Melting
melting
9 Citations (Scopus)
chondrites
chondrite
shock
melt
ringwoodite
2015
15 Citations (Scopus)

A large shock vein in L chondrite Roosevelt County 106: Evidence for a long-duration shock pulse on the L chondrite parent body

Sharp, T., Xie, Z., de Carli, P. S. & Hu, J., Nov 1 2015, In : Meteoritics and Planetary Science. 50, 11, p. 1941-1953 13 p.

Research output: Contribution to journalArticle

chondrites
parent body
majorite
ringwoodite
veins
34 Citations (Scopus)

Highly siderophile element (HSE) abundances in the mantle of Mars are due to core formation at high pressure and temperature

Righter, K., Danielson, L. R., Pando, K. M., Williams, J., Humayun, M., Hervig, R. & Sharp, T., Apr 1 2015, In : Meteoritics and Planetary Science. 50, 4, p. 604-631 28 p.

Research output: Contribution to journalArticle

siderophile elements
siderophile element
mars
Mars
Earth mantle
9 Citations (Scopus)

Structural and spectroscopic changes to natural nontronite induced by experimental impacts between 10 and 40 GPa

Friedlander, L. R., Glotch, T. D., Bish, D. L., Dyar, M. D., Sharp, T., Sklute, E. C. & Michalski, J. R., May 1 2015, In : Journal of Geophysical Research E: Planets. 120, 5, p. 888-912 25 p.

Research output: Contribution to journalArticle

nontronite
Minerals
phyllosilicate
Meteor impacts
Remote sensing
2014
1 Citation (Scopus)

Bridgmanite-named at last: The most abundant mineral in Earth's interior gets a name

Sharp, T., Nov 28 2014, In : Science. 346, 6213, p. 1057-1058 2 p.

Research output: Contribution to journalArticle

abundance estimation
Earth structure
mineral
48 Citations (Scopus)

Heterogeneous mineral assemblages in martian meteorite Tissint as a result of a recent small impact event on Mars

Walton, E. L., Sharp, T., Hu, J. & Filiberto, J., Sep 1 2014, In : Geochimica et Cosmochimica Acta. 140, p. 334-348 15 p.

Research output: Contribution to journalArticle

Meteorites
Martian meteorite
Minerals
Mars
melt
2013
4 Citations (Scopus)

Deriving chemical trends from thermal infrared spectra of weathered basalt: Implications for remotely determining chemical trends on Mars

Rampe, E. B., Kraft, M. D. & Sharp, T., Jul 2013, In : Icarus. 225, 1, p. 749-762 14 p.

Research output: Contribution to journalArticle

weathering
basalt
mars
Mars
infrared spectra
16 Citations (Scopus)
ringwoodite
olivine
transition zone
Earth mantle
mantle
2012
23 Citations (Scopus)

Allophane detection on Mars with Thermal Emission spectrometer data and implications for regional-scale chemical weathering processes

Rampe, E. B., Kraft, M. D., Sharp, T., Golden, D. C., Ming, D. W. & Christensen, P., Nov 2012, In : Geology. 40, 11, p. 995-998 4 p.

Research output: Contribution to journalArticle

allophane
chemical weathering
Mars
spectrometer
weathering
46 Citations (Scopus)

Cell assemblies for reproducible multi-anvil experiments (the COMPRES assemblies)

Leinenweber, K., Tyburczy, J., Sharp, T., Soignard, E., Diedrich, T., Petuskey, W., Wang, Y. & Mosenfelder, J. L., Feb 2012, In : American Mineralogist. 97, 2-3, p. 353-368 16 p.

Research output: Contribution to journalArticle

anvils
assemblies
cells
experiment
Experiments
5 Citations (Scopus)

Source of potassium in shocked ordinary chondrites

Weirich, J. R., Swindle, T. D., Isachsen, C. E., Sharp, T., Li, C. & Downs, R. T., Dec 1 2012, In : Geochimica et Cosmochimica Acta. 98, p. 125-139 15 p.

Research output: Contribution to journalArticle

ordinary chondrite
Argon
feldspar
Potassium
potassium
2011
3 Citations (Scopus)

A new mineral with an olivine structure and pyroxene composition in the shock-induced melt veins of Tenham L6 chondrite

Xie, Z., Sharp, T., Leinenweber, K., DeCarli, P. S. & Dera, P., Feb 2011, In : American Mineralogist. 96, 2-3, p. 430-436 7 p.

Research output: Contribution to journalArticle

chondrites
new mineral
veins
chondrite
olivine
14 Citations (Scopus)

Bugs or gunk? Nanoscale methods for assessing the biogenicity of ancient microfossils and organic matter

De Gregorio, B. T., Sharp, T., Rushdi, A. I. & Simoneit, B. R. T., 2011, Earliest Life on Earth: Habitats, Environments and Methods of Detection. Springer Netherlands, p. 239-289 51 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

kerogen
microfossil
organic matter
chert
early Earth
21 Citations (Scopus)
Emission spectroscopy
thermal emission
India
craters
basalt
2010
30 Citations (Scopus)

Heterogeneous nucleation and epitaxial crystal growth of magmatic minerals

Hammer, J. E., Sharp, T. & Wessel, P., Apr 2010, In : Geology. 38, 4, p. 367-370 4 p.

Research output: Contribution to journalArticle

titanomagnetite
clinopyroxene
nucleation
preferred orientation
crystal
2009
54 Citations (Scopus)

Biogenic origin for Earth's oldest putative microfossils

De Gregorio, B. T., Sharp, T., Flynn, G. J., Wirick, S. & Hervig, R., 2009, In : Geology. 37, 7, p. 631-634 4 p.

Research output: Contribution to journalArticle

chert
microfossil
kerogen
black carbon
functional group
23 Citations (Scopus)

The effect of small amounts of H2O on olivine to ringwoodite transformation growth rates and implications for subduction of metastable olivine

Diedrich, T., Sharp, T., Leinenweber, K. & Holloway, J. R., May 2009, In : Chemical Geology. 262, 1-2, p. 87-99 13 p.

Research output: Contribution to journalArticle

ringwoodite
olivine
subduction
Hydrogen
hydrogen
2008
29 Citations (Scopus)

Formation of silica by low-temperature acid alteration of Martian rocks: Physical-chemical constraints

McAdam, A. C., Zolotov, M., Mironenko, M. V. & Sharp, T., Aug 20 2008, In : Journal of Geophysical Research E: Planets. 113, 8, E08003.

Research output: Contribution to journalArticle

Silicon Dioxide
silica
Rocks
rocks
silicon dioxide
23 Citations (Scopus)

Preferential low-pH dissolution of pyroxene in plagioclase-pyroxene mixtures: Implications for martian surface materials

McAdam, A. C., Zolotov, M., Sharp, T. & Leshin, L. A., Jul 2008, In : Icarus. 196, 1, p. 90-96 7 p.

Research output: Contribution to journalArticle

plagioclase
pyroxene
weathering
dissolving
dissolution
41 Citations (Scopus)

Seifertite, a dense orthorhombic polymorph of silica from the Martian meteorites Shergotty and Zagami

El Goresy, A., Dera, P., Sharp, T., Prewitt, C. T., Chen, M., Dubrovinsky, L., Wopenka, B., Boctor, N. Z. & Hemley, R. J., Jul 2008, In : European Journal of Mineralogy. 20, 4, p. 523-528 6 p.

Research output: Contribution to journalArticle

Meteorites
Martian meteorite
Polymorphism
Silicon Dioxide
silica

The mineralogy of shock-induced melt vein in Martian meteorite Zagami: Shock pressure and ejection mechanism

Xie, Z. D., Sharp, T. & DeCarli, P., Oct 2008, In : Bulletin of Mineralogy Petrology and Geochemistry. 27, 4, p. 351-355 5 p.

Research output: Contribution to journalArticle

Meteorites
stishovite
Martian meteorite
Mineralogy
mineralogy
2007
12 Citations (Scopus)

Alteration mineralogy in detachment zones: Insights from Swansea, Arizona

Michalski, J. R., Reynolds, S., Niles, P. B., Sharp, T. & Christensen, P., 2007, In : Geosphere. 3, 4, p. 184-198 15 p.

Research output: Contribution to journalArticle

metasomatism
mineralogy
mineral alteration
detachment fault
hematite
2 Citations (Scopus)

Ejection mechanisms for Martian meteorites

DeCarli, P. S., Goresy, A. E., Xie, Z. & Sharp, T., 2007, AIP Conference Proceedings. Vol. 955. p. 1371-1374 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

SNC meteorites
meteorites
ejection
shock
escape velocity
34 Citations (Scopus)

Host rock solid-state transformation in a shock-induced melt vein of Tenham L6 chondrite

Xie, Z. & Sharp, T., Feb 28 2007, In : Earth and Planetary Science Letters. 254, 3-4, p. 433-445 13 p.

Research output: Contribution to journalArticle

Silicates
chondrites
majorite
ringwoodite
veins
2006
12 Citations (Scopus)

Aqueous alteration of opaque assemblages in the Ningqiang carbonaceous chondrite: Evidence from oxygen isotopes

Hsu, W., Guan, Y., Hua, X., Wang, Y., Leshin, L. A. & Sharp, T., Mar 15 2006, In : Earth and Planetary Science Letters. 243, 1-2, p. 107-114 8 p.

Research output: Contribution to journalArticle

Oxygen Isotopes
Ferrosoferric Oxide
carbonaceous chondrites
carbonaceous chondrite
oxygen isotopes
32 Citations (Scopus)

Effects of chemical weathering on infrared spectra of Columbia River Basalt and spectral interpretations of martian alteration

Michalski, J. R., Kraft, M. D., Sharp, T. & Christensen, P., Aug 30 2006, In : Earth and Planetary Science Letters. 248, 3-4, p. 822-829 8 p.

Research output: Contribution to journalArticle

Columbia (Orbiter)
weathering
chemical weathering
Weathering
basalt
54 Citations (Scopus)
Emission spectroscopy
aluminosilicate
thermal emission
Clay minerals
mars
22 Citations (Scopus)

Estimating shock pressures based on high-pressure minerals in shock-induced melt veins of L chondrites

Xie, Z., Sharp, T. & De Carli, P. S., Dec 2006, In : Meteoritics and Planetary Science. 41, 12, p. 1883-1898 16 p.

Research output: Contribution to journalArticle

chondrites
veins
chondrite
estimating
shock
30 Citations (Scopus)

Fresnel modeling of hematite crystal surfaces and application to martian hematite spherules

Glotch, T. D., Christensen, P. & Sharp, T., Apr 2006, In : Icarus. 181, 2, p. 408-418 11 p.

Research output: Contribution to journalArticle

spherules
spherule
hematite
crystal surfaces
crystal
17 Citations (Scopus)

High-pressure cells for in situ multi-anvil experiments

Leinenweber, K., Mosenfelder, J., Diedrich, T., Soignard, E., Sharp, T., Tyburczy, J. & Wang, Y., Sep 1 2006, In : High Pressure Research. 26, 3, p. 283-292 10 p.

Research output: Contribution to journalArticle

anvils
cells
zirconium oxides
thermal insulation
chromites
70 Citations (Scopus)

High-pressure phases in a shock-induced melt vein of the Tenham L6 chondrite: Constraints on shock pressure and duration

Xie, Z., Sharp, T. & DeCarli, P. S., Jan 15 2006, In : Geochimica et Cosmochimica Acta. 70, 2, p. 504-515 12 p.

Research output: Contribution to journalArticle

chondrite
melt
Silicates
Sulfides
majorite
20 Citations (Scopus)

Hydrogen incorporation in natural mantle olivines

Mosenfelder, J. L., Sharp, T., Asimow, P. D. & Rossman, G. R., Jan 1 2006, Earth?s Deep Water Cycle, 2006. Blackwell Publishing Ltd, Vol. 168. p. 45-56 12 p. (Geophysical Monograph Series; vol. 168).

Research output: Chapter in Book/Report/Conference proceedingChapter

olivine
Earth mantle
defect
hydrogen
mantle
26 Citations (Scopus)

The structure and distribution of carbon in 3.5 Ga Apex chert: Implications for the biogenicity of Earth's oldest putative microfossils

De Gregorio, B. T. & Sharp, T., May 2006, In : American Mineralogist. 91, 5-6, p. 784-789 6 p.

Research output: Contribution to journalArticle

kerogen
carbonaceous materials
chert
microfossil
Kerogen
2005
97 Citations (Scopus)

Mineralogical constraints on the high-silica martian surface component observed by TES

Michalski, J. R., Kraft, M. D., Sharp, T., Williams, L. & Christensen, P., Mar 2005, In : Icarus. 174, 1, p. 161-177 17 p.

Research output: Contribution to journalArticle

thermal emission
clays
spectrometer
silica
clay mineral
36 Citations (Scopus)

Oxygen, silicon, and Mn-Cr isotopes of fayalite in the Kaba oxidized CV3 chondrite: Constraints for its formation history

Hua, X., Huss, G. R., Tachibana, S. & Sharp, T., Mar 1 2005, In : Geochimica et Cosmochimica Acta. 69, 5, p. 1333-1348 16 p.

Research output: Contribution to journalArticle

Ferrosoferric Oxide
fayalite
Silicon
chondrite
Isotopes
2004

A low pressure ejection mechanism for martian meteorites?

DeCarli, P. S., El Goresy, A., Xie, Z. & Sharp, T., Aug 2004, In : Meteoritics and Planetary Science. 39, SUPPL.

Research output: Contribution to journalArticle

SNC meteorites
Martian meteorite
ejection
low pressure
33 Citations (Scopus)

A transmission electron microscopy study of silica and kerogen biosignatures in ∼1.9 Ga Gunflint microfossils

Moreau, J. W. & Sharp, T., Jun 2004, In : Astrobiology. 4, 2, p. 196-210 15 p.

Research output: Contribution to journalArticle

kerogen
microfossils
Quartz
quartz
microfossil
64 Citations (Scopus)
Mineralogy
mineralogy
hematite
emission spectra
infrared spectra
28 Citations (Scopus)

High-pressure phases in shock-induced melt veins of the Umbarger L6 chondrite: Constraints of shock pressure

Xie, Z. & Sharp, T., Dec 2004, In : Meteoritics and Planetary Science. 39, 12, p. 2043-2054 12 p.

Research output: Contribution to journalArticle

chondrites
veins
chondrite
shock
melt
6 Citations (Scopus)

SIMS microanalyses for Au in silicates

Hervig, R., Mazdab, F. K., Danielson, L., Sharp, T., Hamed, A. & Williams, P., Apr 2004, In : American Mineralogist. 89, 4, p. 498-504 7 p.

Research output: Contribution to journalArticle

Silicates
Secondary ion mass spectrometry
microanalysis
secondary ion mass spectrometry
silicates
27 Citations (Scopus)
stishovite
Meteorites
meteorites
Polymorphism
Silicon Dioxide