Results 131 to 140 of about 2,410,397 (202)

Photochemical effects of Mars‐like UV irradiation on carboxylic acids in carbonaceous chondrites and expectations for abiotic background organics on Mars

Meteoritics &Planetary Science, Volume 61, Issue 10, Page 2445-2465, October 2026.
Abstract In the search for life on Mars, understanding the origin of preserved organics is critical. Expected sources include exogenous delivery, endogenous synthesis, and potentially life. Environmental processing by ultraviolet (UV) irradiation can alter these organics, obscuring hallmarks of their origin. To deconvolve these effects, we conducted an
D. K. Buckner, J. C. Aponte, A. C. Schuerger, D. I. Foustoukos, F. Seguin, M. B. Wilhelm, G. Cooper, A. J. Williams   +7 more
wiley   +1 more source

Microbial methanogenesis fueled by freshwater infiltration and oil biodegradation in the Siljan impact structure, Sweden

Discover Applied Sciences
Deeply fractured rocks of meteorite impact craters are suggested as prime niches for subsurface microbial colonization. Methane can be a product of such microbial communities and seeps of methane from impact craters on Earth are of strong interest as ...
Femke van Dam, Riikka Kietäväinen, George Westmeijer, Manuel Reinhardt, Shuhei Ono, Mark Dopson, Marcelo Ketzer, Jennifer C. McIntosh, Henrik Drake   +8 more
doaj   +1 more source

Yamato-74662 Meteorite: A Carbonaceous Chondrite Type II [PDF]

, 1978
P(論文)Preliminary chemical analysis of Yamato-74662 meteorite suggests that this meteorite belongs to carbonaceous chondrite Type II. No other meteorites of this type have been found among Antarctic meteorites which run to about one thousand. Yamato-74662
Haramura, Hiroshi, Yanai, Keizo
core  

Description and terrestrial ages of the Calama Area Meteorite Collection (Atacama Desert, Chile)

Meteoritics &Planetary Science, Volume 61, Issue 10, Page 2415-2430, October 2026.
Abstract We present a comprehensive study of a meteorite collection from the Atacama Desert (Chile), the driest and most climatically stable desert in the world. This collection includes meteorites from three adjacent Dense Collection Areas (DCAs) in the northern part of the Atacama Desert: Calama, Sierra Gorda, and Chug Chug, referred to as the ...
Carine Sadaka, Jérôme Gattacceca, Florian Dumas, Régis Braucher, ASTER Team, Matthieu Gounelle, Dilyara Kuzina, Cyril Lorenz, Alexandre Corgne, Pierre Sempéré   +9 more
wiley   +1 more source

Revisiting olivine‐phyric shergottites: Pyroxene crystallization pressure and the role of undercooling

Meteoritics &Planetary Science, Volume 61, Issue 10, Page 2466-2475, October 2026.
Abstract Shergottites are the most abundant meteorites from Mars and a major source of information on magma reservoirs, transport, and eruption, particularly in the late Hesperian northern hemisphere. Conflicting interpretations have arisen on the crystallization conditions of pyroxene in olivine‐phyric shergottites.
Roger H. Hewins, Brigitte Zanda, Arnaud Duverger   +2 more
wiley   +1 more source

Raw Analytical Dataset of V-NIR Spectroscopy, EPMA, and Raman Spectroscopy for NWA 12279 Lunar Meteorite

This dataset serves as supplementary material for the manuscript entitled "Lunar spinel-bearing troctolitic anorthosite NWA 12279 meteorite: Linking petrology, mineralogy and spectroscopy" (in preparation for publication).
Chen, Hong-Yi
core   +1 more source

High‐pressure phase preservation in ordinary L‐chondrite melt veins: Evidence for control by post‐shock thermal evolution

Meteoritics &Planetary Science, Volume 61, Issue 10, Page 2549-2566, October 2026.
Abstract This study investigates the petrography and mineralogy of three L‐type ordinary chondrite meteorites: Northwest Africa (NWA) 4137 (L6), Homestead (L5), and Kunashak (L6). We studied the shock‐related deformation features in the matrix and the characteristics of the melt veins, including the presence or absence of high‐pressure (HP) phases. Our
S. Effraimidou, I. Baziotis, M. Simopoulou, L. Ferrière, C. Sanchez‐Valle, S. Klemme, J. Berndt, P. D. Asimow   +7 more
wiley   +1 more source

The Estherville Meteorite

Article from Smithsonian Contributions to the Earth Sciences on the history and composition of the Estherville ...
Nelen, Joseph, Mason, Brian (Brian Harold), 1917-2009   +1 more
core  

Invoice for Nazareth (iron) specimen

, 1973
Invoice from the American Meteorite Laboratory to Oscar Monnig for a Nazareth (iron ...
American Meteorite Laboratory
core  

All-Laser Suite Analytical Platform (Microsampling, Catapulting, Trapping, and LIBS) for the Characterization of Discrete Domains in Samples of Astrochemical Interest. [PDF]

Anal Chem
Burgos-Palop C, Delgado T, Purohit P, Fortes FJ, Vadillo JM.   +4 more
europepmc   +1 more source