Search Results - "Verchovsky, A.B."

C, N, and noble gas isotopes in grain size separates of presolar diamonds from Efremovka.

Authors: Verchovsky, A.B. Fisenko, A.V. Semjonova, L.F. et al.

Source: Science (pre-March 2025). 8/21/1998, Vol. 281 Issue 5380, p1165-1168. 4p. 1 Chart, 10 Graphs.

Predominantly non-solar origin of nitrogen in lunar soils.

Authors: Mortimer, J. Verchovsky, A.B. Anand, M.

Source: Geochimica et Cosmochimica Acta. Nov2016, Vol. 193, p36-53. 18p.

Subjects: Lunar soil, Nitrogen in soils, Mass spectrometry, Solar wind, Temperature measurements, Combustion

Amphibole: A major carrier of helium isotopes in crustal rocks.

Authors: Tolstikhin, I.N. Verchovsky, A.B. Kamensky, I.L. et al.

Source: Chemical Geology. Dec2016, Vol. 444, p187-198. 12p.

Subjects: Amphiboles, Helium isotopes, Noble gases, Subduction, Alkaline earth compounds, Granite

Constraining the internal variability of the stable isotopes of carbon and nitrogen within mantle diamonds.

Authors: Mikhail, S. Verchovsky, A.B. Howell, D. et al.

Source: Chemical Geology. Feb2014, Vol. 366, p14-23. 10p.

Subjects: Chemical stability, Carbon isotopes, Nitrogen isotopes, Diamonds, Inclusions in igneous rocks, Mass spectrometry

Xenon isotopes in size separated nanodiamonds from Efremovka: ¹²⁹Xe*, Xe-P3, and Xe-P6

Authors: Gilmour, J.D. Verchovsky, A.B. Fisenko, A.V. et al.

Source: Geochimica et Cosmochimica Acta. Aug2005, Vol. 69 Issue 16, p4133-4148. 16p.

Subjects: Xenon, Pyrolysis, Air analysis, Noble gases

Separation of planetary noble gas carrier from bulk carbon in enstatite chondrites during stepped combustion

Authors: Verchovsky, A.B. Sephton, M.A. Wright, I.P. et al.

Source: Earth & Planetary Science Letters. Jun2002, Vol. 199 Issue 3/4, p243. 13p.

Subjects: Noble gases, Chondrites

Simultaneous analysis of abundance and isotopic composition of nitrogen, carbon, and noble gases in lunar basalts: Insights into interior and surface processes on the Moon.

Authors: Mortimer, J. Verchovsky, A.B. Anand, M. et al.

Source: ICARUS. Jul2015, Vol. 255, p3-17. 15p.

Preparing and characterising new carbonaceous chondrite reference materials for verification of ESA's PROSPECT package.

Authors: Windmill, R.J. Mortimer, J.I. Anand, M. et al.

Source: Advances in Space Research. Jun2026, Vol. 77 Issue 12, p12810-12821. 12p.

A quantitative evolved gas analysis for extra-terrestrial samples.

Authors: Verchovsky, A.B. Anand, M. Barber, S.J. et al.

Source: Planetary & Space Science. Feb2020, Vol. 181, pN.PAG-N.PAG. 1p.

Subjects: European Space Agency, Gas analysis, Lunar surface, Analytical chemistry, Mass spectrometry, Meteorites

Xenon and iodine reveal multiple distinct exotic xenon components in Efremovka “nanodiamonds”.

Authors: Gilmour, J.D. Holland, G. Verchovsky, A.B. et al.

Source: Geochimica et Cosmochimica Acta. Mar2016, Vol. 177, p78-93. 16p.

Subjects: Iodine, Xenon, Neutron capture, High temperatures, Pyrolysis

Crustal differentiation in the early solar system: Clues from the unique achondrite Northwest Africa 7325 (NWA 7325).

Authors: Barrat, J.A. Greenwood, R.C. Verchovsky, A.B. et al.

Source: Geochimica et Cosmochimica Acta. Nov2015, Vol. 168, p280-292. 13p.

Subjects: Achondrites, Pyroxene, Trace elements, Petrology, Milky Way

Peridotitic and websteritic diamondites provide new information regarding mantle melting and metasomatism induced through the subduction of crustal volatiles

Authors: Mikhail, S. Dobosi, G. Verchovsky, A.B. et al.

Source: Geochimica et Cosmochimica Acta. Apr2013, Vol. 107, p1-11. 11p.

Subjects: Peridotite, Inclusions in igneous rocks, Diamonds, Regolith, Fusion (Phase transformation), Metasomatism, Subduction zones, Polycrystals

An overview of noble gas (He, Ne, Ar, Xe) contents and isotope signals in terrestrial diamond.

Authors: Basu, S. Jones, A.P. Verchovsky, A.B. et al.

Source: Earth-Science Reviews. Nov2013, Vol. 126, p235-249. 15p.

In situ radiometric dating on Mars: Investigation of the feasibility of K-Ar dating using flight-type mass and X-ray spectrometers

Authors: Talboys, D.L. Barber, S. Bridges, J.C. et al.

Source: Planetary & Space Science. Sep2009, Vol. 57 Issue 11, p1237-1245. 9p.

Hydropyrolysis of insoluble carbonaceous matter in the Murchison meteorite: new insights into its macromolecular structure¹ 1Associate editor: G. D. Cody

Authors: Sephton, M.A. Love, G.D. Watson, J.S. et al.

Source: Geochimica et Cosmochimica Acta. Mar2004, Vol. 68 Issue 6, p1385. 9p.