Results 21 to 30 of about 21,160 (248)
Report on Antarctic meteorites search around the Sor Rondane Mountains, JARE-29 1988-1989
A systematic search for Antarctic meteorites was carried out by the Asuka winter party of the 29th Japanese Antarctic Research Expedition on the bare ice field around the Sφr Rondane Mountains in the 1987-1988 and 1988-1989 field seasons.
Hiroshi Naraoka +2 more
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All DNA/RNA nucleobases were identified in carbonaceous meteorites. Having been provided to the early Earth as a component in carbonaceous meteorites, these molecules might have played a role for the emergence of genetic functions in early life.
Yasuhiro Oba +6 more
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The Origin and Physico-Chemical Properties of Some Unusual Earth Rock Fragments
In this paper, several researches were undertaken related to a violent phenomenon, characterized by a sonic boom, felt on an area of at least 500 km2, shortly followed by the fall of rock fragments that were then recovered from the ground.
Alexandru Cocean +7 more
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African Meteorites is a comprehensive exploration of meteorite falls and finds across the arid and hot regions of the African continent, offering profound insights into a significant collection of meteorites, second only to Antarctica.
Khiri F. +3 more
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Authentication of stony meteorites by Raman spectroscopy and multivariate analysis
We propose a novel, fast, reliable and non-destructive method based on Raman spectroscopy and chemometrics for the analysis and authentication of rocky meteorites.
Alejandro González-Sánchez +4 more
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A second edition of this leaflet was issued in 1941 with minor additions. ; Pages also numbered 33-43 at foot of pages. ; Cover title. ; Mode of access: Internet. ; Fieldiana, Popular series, Geology, was published by Field Museum of Natural History, Dept. of Geology as Leaflet (no. 1-4, 1922-1923) and as Geology leaflet (no. 5-14, 1925-1933).
openaire +1 more source
The Prevailing Catalytic Role of Meteorites in Formamide Prebiotic Processes
Meteorites are consensually considered to be involved in the origin of life on this Planet for several functions and at different levels: (i) as providers of impact energy during their passage through the atmosphere; (ii) as agents of geodynamics ...
Raffaele Saladino +2 more
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Molecular Asymmetry in Prebiotic Chemistry: An Account from Meteorites
Carbonaceous Chondrite (CC) meteorites are fragments of asteroids, solar planetesimals that never became large enough to separate matter by their density, like terrestrial planets.
Sandra Pizzarello
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The ~ 10 km2 strewn field of the Twannberg type IIG iron meteorite is located in the Swiss Jura Mountains, 30 km northwest of Bern. The strewn field has been mapped by a group of citizen scientists since 2006, yielding more than 2000 meteorite fragments ...
Beda A. Hofmann +6 more
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Occurrence and Provenance of KREEP Components in Glassy Agglutinates From Chang'e‐5 Lunar Regolith
This study investigates the petrogenesis of glassy agglutinates in a polished section of the Chang'e‐5 lunar regolith sample CE5C0800YJYX018GP through integrated petrographic, mineralogical, and geochemical analyses of four representative particles (18GP‐
Shuai Ma, Zhipeng Xia, Bingkui Miao
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