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crossref
2009-01-05T10:30:40Z
置信度 0.70
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crossref
2023-07-27T09:05:47Z
置信度 0.70
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crossref
2019-11-09T23:31:32Z
置信度 0.70
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crossref
2016-02-25T17:20:05Z
置信度 0.70
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crossref
2004-07-30T12:32:45Z
置信度 0.70
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crossref
Siegfried Matthes
2013-03-20T09:11:00Z
置信度 0.70
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crossref
2009-01-05T16:56:01Z
置信度 0.70
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The problem then is the identification, within that piece of matter, those observations which can establish the nature and chronology of events whose memory has persisted. Such an approach requires the use of concepts, observations and measurement techniques f…
crossref
2017-10-21T14:27:45Z
置信度 0.70
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crossref
2009-01-05T15:33:14Z
置信度 0.70
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crossref
2011-06-29T17:38:38Z
置信度 0.70
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crossref
Siegfried Matthes
2013-03-29T09:58:17Z
置信度 0.70
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The writing and production of this volume recognize its potential role as a textbook for courses in "Environmental Mineralogy", a field that calls on both core mineralogical skills and interdisciplinary understanding across chemical, biological and geological …
crossref
Giacomo Chiari
2015-04-05T16:19:19Z
置信度 0.70
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crossref
2011-06-29T20:12:00Z
置信度 0.70
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crossref
Nina L. Morgunova, Мarianna А. Кulkova, Аlexander М. Кulkov
2022-05-06T10:36:10Z
置信度 0.70
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Many meteorites in our inventories are crystalline and formed through magmatic activity, showing features similar to terrestrial gabbros, cumulates, pyroxenites and basalts. However, unlike terrestrial basalts, which often contain ubiquitous vesicles resulting…
crossref
Julia Cartwright, Gareth Douglas
2025-07-09T15:45:11Z
置信度 0.70
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crossref
Swapna Mukherjee
2012-03-05T15:44:35Z
置信度 0.70
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crossref
2017-05-05T01:11:15Z
置信度 0.70
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Abstract We studied lunar regolith breccia meteorite Northwest Africa (NWA) 13967 to explore its mineral and clast inventory with special focus on the ubiquitous occurrence of tissintite‐II, a newly recognized, vacancy‐rich high‐pressure clinopyroxene with a f…
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Axel Wittmann, Christian R. Kroemer, Meenakshi Wadhwa, Thomas G. Sharp 等
2025-01-17T07:46:12Z
置信度 0.70
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crossref
2023-07-27T09:05:47Z
置信度 0.70
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crossref
Siegfried Matthes
2013-04-02T05:44:11Z
置信度 0.70
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crossref
2018-02-02T04:04:35Z
置信度 0.70
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crossref
Swapna Mukherjee
2012-03-05T20:44:35Z
置信度 0.70
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crossref
Esen Ercan Alp
2020-11-15T00:43:10Z
置信度 0.70
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Allen, B. L., 1977. Mineralogy and soil taxonomy, in Dixon and Weed, 771–796. Google Scholar Bear, F. E., 1964. Chemistry of the Soil. New York: Reinhold, 515p. Google Scholar Birkeland, P. W., 1974. Pedology, Weathering, and Geomorphological Research. New Yor…
crossref
Charles W. Finkl
2006-01-30T11:31:26Z
置信度 0.70
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crossref
Therese Encrenaz
2011-06-29T20:41:38Z
置信度 0.70
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crossref
2021-01-10T14:56:45Z
置信度 0.70
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Der jährliche Massenzuwachs von Materie aus dem Weltraum auf die Erde beträgt nach neuesten Schätzungen etwa 16000 Tonnen. Davon sind rund drei Viertel Mikrometeorite mit Massen von Gramm-Bruchteilen und kosmischer Staub. Reste größerer Körper, die auf der Erd…
crossref
Rolf W. Bühler
2013-10-08T06:49:35Z
置信度 0.70
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crossref
Matthieu Gounelle
2016-02-25T17:18:35Z
置信度 0.70
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crossref
Wolfgang Kiesl
2013-11-28T05:00:36Z
置信度 0.70
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crossref
François Robert
2015-06-09T16:15:10Z
置信度 0.70
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crossref
Philipp Heck
2022-07-19T20:20:07Z
置信度 0.70
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crossref
Philipp Heck
2022-07-19T20:11:53Z
置信度 0.70
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The meteorite with a single total mass of 630 gm as a visible meteorite has fallen on 22 March 2021, at 10:00 a.m. in Al-Sherqat subdistrict within Salah Al-Din, northern Iraq; and therefore, was named Al-Sherqat meteorite by the authors. It is characterized b…
crossref
Salih Muhammad Awadh, Salih Y. Darweesh, Salman Z. Khorshid
2021-12-07T18:22:27Z
置信度 0.70
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crossref
Therese Encrenaz
2015-05-28T11:12:02Z
置信度 0.70
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Bradley, W. H., 1964. Geology of Green River formation and associated Eocene rocks in southwestern Wyoming and adjacent parts of Colorado and Utah, U.S. Geol. Surv. Prof. Paper 496-A, 86p. Google Scholar Bradley, W. H., and Eugster, H. P., 1969. Geochemistry a…
crossref
Charles Milton
2006-01-30T16:30:54Z
置信度 0.70
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crossref
2025-08-26T11:59:07Z
置信度 0.70
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crossref
Philipp Heck
2022-07-19T20:22:41Z
置信度 0.70
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crossref
2014-08-24T03:37:49Z
置信度 0.70
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Over the past decade there has been a large increase in the number of automated camera networks that monitor the sky for fireballs. One of the goals of these networks is to provide the necessary information for linking meteorites to their pre-impact, heliocent…
crossref
Mikael Granvik, Peter Brown
2020-10-08T12:02:39Z
置信度 0.70
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crossref
Klaus Keil, G. I. Huss, H. B. Wiik
2011-10-22T08:47:03Z
置信度 0.70
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crossref
Philipp Heck
2022-07-19T20:12:59Z
置信度 0.70
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crossref
H.J. Axon, M.J. Nasir
2006-12-15T03:52:44Z
置信度 0.70
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Meteorites can be very mysterious objects and none more so than the legendary “Fer de Dieu” or “Iron of God”. But one mystery can lead to another. We begin our journey in the deserts of North Africa and end up back at the very dawn of our Solar System. In this…
crossref
Richard Greenwood
2024-03-13T17:57:02Z
置信度 0.70
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crossref
Philipp Heck
2022-07-19T20:18:07Z
置信度 0.70
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This series, Smithsonian Contributions to Astrophysics, was inaugurated in 1956 to provide a proper communication
crossref
Paul W. Hodge
2011-11-22T05:27:42Z
置信度 0.70
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The earth's mantle may be subdivided into three distinct zones: upper mantle, transition zone, and lower mantle. The mineralogy of each zone is described separately. Geophysical and petrologic...
crossref
G. Donald Garlick
2006-01-30T16:31:34Z
置信度 0.70
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Abstract– Tucson is an enigmatic ataxitic iron meteorite, an assemblage of reduced silicates embedded in Fe-Ni metal with dissolved Si and Cr. Both, silicates and metal, contain a record of formation at high temperature (∼1800 K) and fast cooling. The latter r…
crossref
G. KURAT, M. E. VARELA, E. ZINNER, F. BRANDSTÄTTER
2011-01-06T22:00:40Z
置信度 0.70
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crossref
2009-01-05T10:30:40Z
置信度 0.70
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During the last decade, software developments in Scanning Electron Microscopy (SEM) provoked a notable increase of applications to the study of solid matter. The mineral liberation analysis (MLA) of processed metal ores was an important drive for innovations t…
crossref
2021-04-21T08:03:57Z
置信度 0.70
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With the examination of the first lunar samples in the fall of 1969, it was immediately realized that there are several important differences between lunar and terrestrial mineralogy. First, the moon is extremely depleted in volatiles, leading to the absence (…
crossref
Ian M. Steele
2006-01-30T11:31:33Z
置信度 0.70
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crossref
2009-01-05T16:15:51Z
置信度 0.70
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crossref
Philipp Heck
2022-07-19T20:28:34Z
置信度 0.70
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crossref
2019-11-09T23:31:32Z
置信度 0.70
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crossref
Simon Redfern
2025-08-26T12:25:57Z
置信度 0.70
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crossref
Giacomo Chiari
2013-07-26T13:45:03Z
置信度 0.70
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crossref
2022-02-01T17:22:53Z
置信度 0.70
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crossref
Philipp Heck
2022-07-19T20:30:30Z
置信度 0.70
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crossref
2009-10-31T18:25:08Z
置信度 0.70
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crossref
2015-11-19T15:14:02Z
置信度 0.70
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crossref
Philipp Heck
2022-07-19T20:09:53Z
置信度 0.70
-
The flux of meteoroids reaching the Earth is continuous, ranging from microscopic grains to occasional metre and decametre scale bodies. The smallest ones fully ablate in the upper atmosphere, whereas sufficiently large or strong objects survive entry and depo…
crossref
Anna Moscati, Marco Fenucci, Laura Faggioli, Marco Micheli 等
2026-08-28T15:14:36Z
置信度 0.70
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Hippocrates, the Greek physician known as the “ Father of Medicine ”, once noted that “ If you want to learn about the health of a population, look at the air they breathe, the water they drink, and the places where they live .” While the overall significance …
crossref
Eric van Hullebusch, Stephanie Rossano
2010-09-07T07:04:59Z
置信度 0.70
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crossref
Philipp Heck
2022-07-19T20:32:01Z
置信度 0.70
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crossref
Philipp Heck
2022-07-19T20:25:01Z
置信度 0.70
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crossref
Philipp Heck
2022-07-19T20:16:29Z
置信度 0.70
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crossref
2023-11-06T20:23:02Z
置信度 0.70
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Research Article| January 01, 2001 Molecular Modeling in Mineralogy and Geochemistry Randall T. Cygan Randall T. Cygan Geochemistry Department, Sandia National Laboratories, Albuquerque, New Mexico, 87185-0750, U.S.A. Search for other works by this author on: …
crossref
R. T. Cygan
2010-05-14T15:00:13Z
置信度 0.70
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Abstract We present an innovative, cost-effective framework integrating laboratory Hyperspectral Imaging (HSI) of the BECHAR 010 lunar meteorite with ground-based lunar HSI and supervised Machine Learning (ML) to generate high-fidelity mineralogical maps. A \S…
europepmc
2025
置信度 0.80
-
Thermal inertia is used to infer physical properties of asteroid surfaces. The carbonaceous asteroid Bennu has low thermal inertia suggestive of a surface covered in sub-centimeter rock fragments. However, spacecraft observations revealed that Bennu is instead…
europepmc
2026
置信度 0.80
-
Information-rich attributes of minerals reveal their physical, chemical, and biological modes of origin in the context of planetary evolution, and thus they provide the basis for an evolutionary system of mineralogy. Part III of this system considers the forma…
europepmc
2021
置信度 0.80
-
The Psyche Multispectral Imager ("the Imager") is a payload system designed to directly achieve or to indirectly enable the key scientific goals and optical navigation requirements of NASA's Psyche mission, which will conduct the first up-close orbital investi…
europepmc
2025
置信度 0.80
-
Comets are considered the most primitive planetary bodies in our Solar System. ESA's Rosetta mission to Jupiter family comet 67P/Churyumov-Gerasimenko (67P/CG) has provided a wealth of isotope data which expanded the existing data sets on isotopic compositions…
europepmc
2023
置信度 0.80
-
The formation and differentiation of the crust of Mars in the first tens of millions of years after its accretion can only be deciphered from incredibly limited records. The martian breccia NWA 7034 and its paired stones is one of them. This meteorite contains…
europepmc
2022
置信度 0.80
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Iron oxide-hydroxide minerals in Martian dust provide crucial insights into Mars' past climate and habitability. Previous studies attributed Mars' red color to anhydrous hematite formed through recent weathering. Here, we show that poorly crystalline ferrihydr…
europepmc
2025
置信度 0.80
-
Abstract We performed in-situ analysis on a ~1 mm-sized Ryugu grain A0080 returned by the Hayabusa2 spacecraft to investigate the relationship of soluble organic matter (SOM) to minerals. The DESI-HRMS (desorption electrospray ionization-high resolution mass s…
europepmc
2022
置信度 0.80
-
europepmc
2019
置信度 0.80
-
Meteorites are the recoverable portions of asteroids that reach the surface of the Earth. Meteorites are rare extraterrestrial objects studied extensively to improve our understanding of planetary evolution. In this work, we used calibration-free laser-induced…
europepmc
2020
置信度 0.80
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As both a source of atmospheric H 2 and a sink for liquid water, the serpentinization of olivine-bearing rocks is widely thought to have influenced the long-term evolution of the early martian atmosphere and hydrosphere. However, the mechanisms, timing, and gl…
europepmc
2025
置信度 0.80
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We describe the capabilities, radiometric stability, and calibration of a custom vacuum environment chamber capable of simulating the near-surface conditions of airless bodies. Here we demonstrate the collection of spectral measurements of a suite of fine part…
europepmc
2021
置信度 0.80
-
Abstract The pristine sample from the near-Earth carbonaceous asteroid (162173) Ryugu collected by the Hayabusa2 spacecraft enabled us to analyze the pristine extraterrestrial material without uncontrolled exposure to the Earth’s atmosphere and biosphere. The …
europepmc
Yasuhiro Oba, Toshiki Koga, Yoshinori Takano, Nanako O. Ogawa 等
2023
置信度 0.80
UracilAstrobiologyAsteroidChemistryMolecule
-
Cherts, as chemical sedimentary formations, serve as repositories of historical evolutionary data encompassing paleotectonics, paleogeography, and paleoclimate. Furthermore, they play a crucial role as geological foundations for oil and gas exploration. In the…
europepmc
2025
置信度 0.80
-
The abundances of water and highly to moderately volatile elements in planets are considered critical to mantle convection, surface evolution processes, and habitability. From the first flyby space probes to the more recent "Perseverance" and "Tianwen-1" missi…
europepmc
2021
置信度 0.80
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The oxygen fugacity (fO 2 ) of the lunar mantle is of pivotal significance in comprehending the formation and evolution of the Moon. However, the fO 2 of the lunar farside mantle remains unknown due to the lack of samples returned from the farside. Here, we de…
europepmc
2025
置信度 0.80
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The history of mare volcanism critically informs the thermal evolution of the Moon. However, young volcanic eruptions are poorly constrained by remote observations and limited samples, hindering an understanding of mare eruption flux over time. The Chang'e-5 m…
europepmc
2023
置信度 0.80
-
Meteorites contain organic matter that may have contributed to the origin of life on Earth. Carbonyl compounds such as aldehydes and carboxylic acids, which occur in meteorites, may be precursors of biologically necessary organic materials in the solar system.…
europepmc
2021
置信度 0.80
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The 4.1-billion-year-old meteorite Allan Hills 84001 (ALH 84001) may preserve a magnetic record of the extinct martian dynamo. However, previous paleomagnetic studies have reported heterogeneous, nonunidirectional magnetization in the meteorite at submillimete…
europepmc
2023
置信度 0.80
-
The June 2, 2018, impact of asteroid 2018 LA over Botswana is only the second asteroid detected in space prior to impacting over land. Here, we report on the successful recovery of meteorites. Additional astrometric data refine the approach orbit and define th…
europepmc
2021
置信度 0.80
-
In the samples collected from the asteroid Ryugu, magnetite displays natural remanent magnetization due to nebular magnetic field, whereas contemporaneously grown iron sulfide does not display stable remanent magnetization. To clarify this counterintuitive fea…
europepmc
2023
置信度 0.80
-
The Jezero crater floor features a suite of related, iron-rich lavas that were examined and sampled by the Mars 2020 rover Perseverance, and whose textures, minerals, and compositions were characterized by the Planetary Instrument for X-ray Lithochemistry (PIX…
europepmc
2025
置信度 0.80
-
When selecting a method for determining modal mineralogy and elemental composition of geological samples (e.g., meteorites), a number of factors should be considered, includingthe number of objects or the area to be analyzed; the scale of expected chemical var…
europepmc
2020
置信度 0.80
-
The carbonaceous asteroid Ryugu has been explored by the Hayabusa2 spacecraft to elucidate the actual nature of hydrous asteroids. Laboratory analyses revealed that the samples from Ryugu are comparable to unheated CI carbonaceous chondrites; however, reflecta…
europepmc
2023
置信度 0.80
-
The presence and distribution of preserved organic matter on the surface of Mars can provide key information about the Martian carbon cycle and the potential of the planet to host life throughout its history. Several types of organic molecules have been previo…
europepmc
2023
置信度 0.80
-
The NASA Perseverance rover discovered light-toned float rocks scattered across the surface of Jezero crater that are particularly rich in alumina ( ~ 35 wt% Al 2 O 3 ) and depleted in other major elements (except silica). These unique float rocks have heterog…
europepmc
2024
置信度 0.80
-
The planetesimals in the solar system exhibit varying degrees of moderately volatile elements (MVEs) depletion compared to the protosolar composition. Revealing the relevant mechanisms is crucial for exploring early solar system evolution. Most volatile-deplet…
europepmc
2024
置信度 0.80
-
Prior studies have hypothesized that some polluted white dwarfs record continent-like granitic crust-which is abundant on Earth and perhaps uniquely indicative of plate tectonics. But these inferences derive from only a few elements, none of which define rock …
europepmc
2021
置信度 0.80
-
A comment from Bada (1) attempts to flag multiple issues with our recent study (2). We appreciate the opportunity to respond, as Bada raises some interesting points, but many of his comments appear to overinterpret our results in a manner well beyond the scope…
europepmc
2020
置信度 0.80
-
The objective of the Psyche Magnetometry Investigation is to test the hypothesis that asteroid (16) Psyche formed from the core of a differentiated planetesimal. To address this, the Psyche Magnetometer will measure the magnetic field around the asteroid to se…
europepmc
2023
置信度 0.80
-
Understanding how Earth's continental nuclei first formed in the Archean eon (4.0-2.5 Ga) underpins our notions of early Earth geodynamics. Yet, the nature of Earth's early protocrust and the primary mechanism for its transformation are poorly understood, as v…
europepmc
2025
置信度 0.80
-
An orthorhombic modification of (Fe,Ni) 2 P, allabogdanite, found in iron meteorites was considered to be thermodynamically stable at pressures above 8 GPa and temperatures of 1673 K according to the results of recent static high-pressure and high-temperature …
europepmc
2020
置信度 0.80
-
A comprehensive geochemical study of the Chelyabinsk meteorite reveals further details regarding its history of impact-related fragmentation and melting, and later aqueous alteration, during its transit toward Earth. We support an ∼30 Ma age obtained by Ar-Ar …
europepmc
2019
置信度 0.80