-
The petrography, mineral modal data and major and trace element compositions of 15 silicate inclusions in the Elga iron meteorite (chemical group IIE) show that these inclusions represent chemically homogeneous zoned objects with highly variable structures, re…
openalex
S. N. Teplyakova, C. A. Lorenz, M. A. Ivanova, N. N. Kononkova 等
2018-01-01
置信度 0.72
SilicateMeteoriteGeologyChondriteLiquidus
-
Meteorite geben sich häufig durch ihre hohe Dichte, ihre äußere Form und aufgrund der Schmelzkruste zu erkennen.
crossref
Rolf W. Bühler
2013-10-08T10:49:35Z
置信度 0.70
-
Rare type of silicate inclusions found in the Elga iron meteorite (group IIE) has a very specific mineral composition and shows silicate (≈90%)–natrophosphate (≈10%) liquid immiscibility due to meniscus-like isolation of Na-Ca-Mg-Fe phosphates. The 3 mm wide i…
openalex
Victor V. Sharygin, V. V. Sharygin
2020-05-13
置信度 0.72
SilicateAlbiteGeologyFeldsparEnstatite
-
crossref
Rolf W. Bühler
2013-10-08T10:49:35Z
置信度 0.70
-
crossref
Xiande Xie, Ming Chen
2020-03-10T18:06:33Z
置信度 0.70
-
AccessScience is an authoritative and dynamic online resource that contains incisively written, high-quality educational material covering all major scientific disciplines. An acclaimed gateway to scientific knowledge, AccessScience is continually expanding th…
crossref
2015-07-10T15:46:54Z
置信度 0.70
-
Meteorite sind überwiegend Bruchstücke von Asteroiden, die als Kleinplaneten direkt gebildet wurden und nicht Fragmente eines einzigen großen Planeten sein können. Die meisten der Asteroiden bewegen sich im Bereich eines Gürtels zwischen Mars und Jupiter um di…
crossref
Rolf W. Bühler
2013-10-08T06:49:35Z
置信度 0.70
-
crossref
2012-04-05T10:30:47Z
置信度 0.70
-
crossref
Salman Z. Khalaf, Ali T. Yassin, Salih M. Awadh, Rafaa Z. Jassim
2014-08-05T06:13:48Z
置信度 0.70
-
crossref
2011-08-03T22:10:45Z
置信度 0.70
-
Abstract We present a summary of the mineralogy, mineral chemistry, and magnetic characteristics of all the five Bulgarian meteorite falls. We report the first mineralogical descriptions, chemical analyses, and magnetic measurements of the Konevo (1931) and Si…
crossref
Vesselin Dekov, Pierre Rochette, Jérôme Gattacceca
2017-04-27T21:45:25Z
置信度 0.70
-
crossref
2011-08-03T18:10:45Z
置信度 0.70
-
'Erratum to: Ursprungsorte und wissenschaftliche Bedeutung der Meteorite' published in 'Meteorite'
crossref
Rolf W. Bühler
2013-10-08T10:49:35Z
置信度 0.70
-
crossref
2012-02-08T06:25:52Z
置信度 0.70
-
crossref
2010-05-06T03:31:17Z
置信度 0.70
-
Abstract— Sayh al Uhaymir (SaU) 300 comprises a microcrystalline igneous matrix (grain size <10 μm), dominated by plagioclase, pyroxene, and olivine. Pyroxene geothermometry indicates that the matrix crystallized at ˜1100 °C. The matrix encloses mineral and…
openalex
J. A. Hudgins, E. L. Walton, J. G. Spray, Jillian Hudgins
2007-10-01
置信度 0.72
PyroxeneBrecciaGeologyPigeonitePlagioclase
-
crossref
2011-08-03T18:10:45Z
置信度 0.70
-
The Mg-suite lithologies, particularly pink spinel-bearing rocks, provide critical insights into the Moon's crust-mantle interactions and impact metamorphism. However, discrepancies persist between remote sensing interpretations and laboratory analyses regardi…
crossref
Hongyi Chen, Jiankai Zhou, Lanfang Xie, Jinyu Zhang 等
2025-11-04T23:19:07Z
置信度 0.70
-
crossref
Xiande Xie, Ming Chen
2020-03-10T18:06:33Z
置信度 0.70
-
Now we come to the story of how an exotic space rock pitched up in a quaint corner of rural England. It had come a long way and made quite a stir.
crossref
Richard Greenwood
2024-03-13T17:57:02Z
置信度 0.70
-
crossref
Xiande Xie, Ming Chen
2020-03-10T18:06:33Z
置信度 0.70
-
crossref
Xiande Xie, Ming Chen
2020-03-10T18:06:33Z
置信度 0.70
-
Crawford and Flaxman impact data that have been attributed to the Eocene, and were published at the turn of the millenium, have been reinterpreted in the light of a visible crater structure in the Barossa area of the Adelaide hills. New considerations include …
crossref
Robert Moore
2021-12-05T20:43:18Z
置信度 0.70
-
crossref
Yevgeny Zenchenko, Vsevolod Tsvetkov
2007-11-19T16:02:30Z
置信度 0.70
-
crossref
Xiande Xie, Ming Chen
2020-03-10T18:06:33Z
置信度 0.70
-
crossref
2015-12-22T10:34:38Z
置信度 0.70
-
crossref
W. Kempe, O. Müller
2011-10-22T04:47:03Z
置信度 0.70
-
openalex
Peter E Buseck, Brian Mason, H. B. Wiik, H.B Wiik
1966-01-01
置信度 0.72
TroiliteKamaciteMeteoriteChondritePigeonite
-
openalex
J. T. Armstrong, Gregory P. Meeker, J. C. Huneke, G. J. Wasserburg 等
1982-04-01
置信度 0.72
Murchison meteoriteAllende meteoriteGeologyMeteoriteCalcite
-
openalex
H. Palme, L. Schultz, B. Spettel, H. W. Weber 等
1981-05-01
置信度 0.72
ChondriteTroiliteMeteoriteChromiteGeology
-
Primary succession describes the establishment of new ecosystems through the colonization of barren substrates (Odum, 1969). Bacteria are typically the first colonizers, which initiate key processes that enable ecosystem establishment and provide resources for…
europepmc
2023
置信度 0.80
-
Nakhlite meteorites are igneous rocks from Mars that were aqueously altered ~630 million years ago. Hydrothermal systems on Earth are known to provide microhabitats; knowledge of the extent and duration of these systems is crucial to establish whether they cou…
europepmc
2022
置信度 0.80
-
Amino acids in carbonaceous chondrites may have seeded the origin of life on Earth and possibly elsewhere. Recently, the return samples from a C-type asteroid Ryugu were found to contain amino acids with a similar distribution to Ivuna-type CI chondrites, sugg…
europepmc
Yamei Li, Hiroyuki Kurokawa, Yasuhito Sekine, Yoko Kebukawa 等
2023
置信度 0.80
ChondriteAmino acidAlanineAqueous solutionChemistry
-
Life is known to adapt in accordance with its surrounding environment and sustainable resources available to it. Since harsh conditions would have precluded any possible aerobic evolution of life at the martian surface, it is plausible that martian life, shoul…
europepmc
2022
置信度 0.80
-
Studies of material returned from Cb asteroid Ryugu have revealed considerable mineralogical and chemical heterogeneity, stemming primarily from brecciation and aqueous alteration. Isotopic anomalies could have also been affected by delivery of exogenous clast…
europepmc
Tetsuya Yokoyama, M. Wadhwa, Tsuyoshi Iizuka, Vinai Rai 等
2023
置信度 0.80
AsteroidIsotopeGeologyEnvironmental scienceEnvironmental chemistry
-
Phosphate minerals such as those in the apatite group tend to be the dominant forms of phosphorus in minerals on the Earth's surface. Phosphate can be reduced to phosphides during high-energy events, such as lightning and impacts. Here we show that, in additio…
europepmc
2023
置信度 0.80
-
Endolithic microorganisms, ranging from microeukaryotes to bacteria and archaea, live within the cracks and crevices of rocks. Deception Island in Antarctica constitutes an extreme environment in which endoliths face environmental threats such as intense cold,…
europepmc
Andrea Hidalgo-Arias, Víctor Muñoz-Hisado, P. Vallés, Adelina Geyer 等
2023
置信度 0.80
MicroorganismBiologyArchaeaAdaptation (eye)Algae
-
Our nanomineralogical investigation of melt inclusions in corundum xenocrysts from the Mt. Carmel area, Israel has revealed seven IMA-approved new minerals since 2021. We report here four new oxide minerals and one new alloy mineral. Magnéliite (Ti 3+ 2 Ti 4+ …
europepmc
2023
置信度 0.80
-
Ferric iron as well as magnetite are rarely found in lunar samples, and their distribution and formation mechanisms on the Moon have not been well studied. Here, we discover sub-microscopic magnetite particles in Chang'E-5 lunar soil. Magnetite and pure metall…
europepmc
2022
置信度 0.80
-
Future human missions to the surface of the Moon and Mars will involve scientific exploration requiring new support tools to enable rapid and high quality science decision-making. Here, we describe the PANGAEA (Planetary ANalogue Geological and Astrobiological…
europepmc
2020
置信度 0.80
-
Samples from the carbonaceous asteroid (162173) Ryugu provide information on the chemical evolution of organic molecules in the early solar system. Here we show the element partitioning of the major component ions by sequential extractions of salts, carbonates…
europepmc
2023
置信度 0.80
-
The organisation of living systems into cellular structures is a characteristic that enables differentiation from the environment. A pivotal step in the development of life is compartmentalisation, achieved through the formation of vesicle-like structures. Fat…
europepmc
2026
置信度 0.80
-
openalex
Vance T. Holliday, T. L. Daulton, Patrick J. Bartlein, M. B. Boslough 等
2023-07-25
置信度 0.72
Younger DryasGeologyClimate changeStadialPaleontology
-
This review article summarizes the state of the art of cosmogenic 3 He ( 3 He c ), with a focus on the most efficient methods and strategies for measuring this cosmogenic noble gas in the terrestrial minerals. Our ability to accurately and precisely measure co…
openalex
Pierre‐Henri Blard
2021-09-27
置信度 0.72
Radiogenic nuclideIsochron datingGeologyNoble gasCosmogenic nuclide
-
crossref
2017-07-20T12:03:25Z
置信度 0.70
-
crossref
2017-07-20T12:03:25Z
置信度 0.70
-
crossref
2017-07-20T12:03:25Z
置信度 0.70
-
crossref
2017-07-20T12:03:25Z
置信度 0.70
-
crossref
2017-07-20T12:03:25Z
置信度 0.70
-
crossref
2017-07-20T12:03:25Z
置信度 0.70
-
crossref
2017-07-20T12:03:25Z
置信度 0.70
-
crossref
2017-07-20T12:03:25Z
置信度 0.70
-
crossref
2017-07-20T12:03:25Z
置信度 0.70
-
crossref
2017-07-20T12:03:25Z
置信度 0.70
-
crossref
2017-07-19T12:41:56Z
置信度 0.70
-
crossref
2017-07-20T12:03:25Z
置信度 0.70
-
crossref
2017-07-20T12:03:25Z
置信度 0.70
-
crossref
2017-07-20T12:03:25Z
置信度 0.70
-
crossref
2017-07-20T12:03:25Z
置信度 0.70
-
crossref
2017-07-20T12:03:25Z
置信度 0.70
-
crossref
2017-07-20T12:03:25Z
置信度 0.70
-
crossref
2017-07-20T12:03:25Z
置信度 0.70
-
crossref
2017-07-20T12:03:25Z
置信度 0.70
-
crossref
2017-07-20T12:03:25Z
置信度 0.70
-
crossref
2017-07-20T12:03:25Z
置信度 0.70
-
crossref
2017-07-20T12:03:25Z
置信度 0.70
-
crossref
2017-07-20T12:03:25Z
置信度 0.70
-
crossref
2017-07-19T12:41:56Z
置信度 0.70
-
The problem of finding and studying extraterrestrial civilizations is a problem of exceptional importance to human experience, culture, and philosophy. For the information obtained as a result of the discovery of intelligence in the cosmos may point the path t…
crossref
N. S. Kardashev
2011-04-21T21:07:13Z
置信度 0.70
-
Alfred Russel Wallace, Extraterrestrial Life, Mars, and the Nature of the Universe Robert W. Smith (bio) Alfred russel Wallace is now generally remembered as one of the great field naturalists of the nineteenth century; the co-discoverer, with Charles Darwin, …
crossref
Robert W. Smith
2017-03-12T09:00:51Z
置信度 0.70
-
crossref
2017-07-20T12:03:25Z
置信度 0.70
-
Book Review| April 01 1965 Review: The Search for Extraterrestrial Life, by NASA The Search for Extraterrestrial LifeNASA The American Biology Teacher (1965) 27 (4): 286. https://doi.org/10.2307/4440929 Views Icon Views Article contents Figures & tables Video …
crossref
2012-09-06T15:05:16Z
置信度 0.70
-
crossref
2006-05-11T18:02:46Z
置信度 0.70
-
Background Previous work identified a platinum anomaly at Wonderkrater, South Africa, within sediments modeled to the onset of the Younger Dryas (~12,800 cal BP). To investigate the nature of this anomaly, we analyzed sedimentary nanoparticles using single-par…
crossref
2026-08-25T06:26:05Z
置信度 0.70
-
crossref
J. BILLINGHAM, B.M. OLIVER, J.H. WOLFE
2013-11-18T12:35:49Z
置信度 0.70
-
crossref
T.J. Veasey
2002-07-25T11:25:30Z
置信度 0.70
-
crossref
Diego Rodolfo Viegas
2021-03-23T05:02:09Z
置信度 0.70
-
crossref
S.W. Kingman, N.A. Rowson
2002-07-25T18:50:06Z
置信度 0.70
-
We study a lattice model of a multispecies prey-predator system. Numerical results show that for a small mutation rate the model develops irregular long-period oscillatory behavior with sizeable changes in a number of species. The periodicity of extinctions on…
crossref
Adam Lipowski
2005-05-20T22:08:07Z
置信度 0.70
-
crossref
Joel Davis
2002-10-08T13:22:24Z
置信度 0.70
-
This paper reviews current state-of-the-art drilling technology practiced today in the mining, petroleum, water, and other drilling industries. The typical performance and operational issues are discussed. In addition, parameters controlling the drilling effic…
crossref
Jamal Rostami, Brad Blair, Alfred Eustes
2006-12-13T23:08:11Z
置信度 0.70
-
crossref
L.M. MUKHIN
2013-11-18T07:35:49Z
置信度 0.70
-
"Book Review: Minerals of Virginia." Rocks & Minerals, 52(5), pp. 242–243
crossref
Carl Francis
2016-09-12T16:20:43Z
置信度 0.70
-
crossref
Fathi Habashi
2002-10-14T22:58:33Z
置信度 0.70
-
crossref
2003-08-06T13:56:04Z
置信度 0.70
-
Polychaete annelids are a very important group of calcifiers in the modern oceans. They can produce calcite, aragonite, and amorphous phosphates. Serpulids possess very diverse tube ultra-structures, several unique to them. Serpulid tubes are composed of arago…
crossref
Olev Vinn
2021-10-20T03:01:13Z
置信度 0.70
-
A group of uranium deposits is described that is hosted within polyphase shear zones. The group is economically significant, collectively containing over 500,000 tonnes of uranium and several examples have been or are being mined. Over a hundred individual dep…
crossref
Andy Wilde
2020-10-26T10:38:35Z
置信度 0.70
-
crossref
Kostas Komnitsas, Dimitra Zaharaki
2007-09-17T08:21:44Z
置信度 0.70
-
crossref
2006-08-28T08:25:33Z
置信度 0.70
-
crossref
Howard E. McCurdy, Steven J. Dick
2006-04-19T11:54:05Z
置信度 0.70
-
Abstract In a survey released by the US National Academies of Sciences, Engineering and Medicine in November 2021, the search for Earth-like planets outside our solar system was identified as a major goal for astronomy over the next 10 years. National Science …
crossref
Ling Xin (辛玲)
2022-01-13T12:10:28Z
置信度 0.70
-
crossref
T. Lager, K.S.E. Forssberg
2003-03-15T01:59:29Z
置信度 0.70
-
crossref
Z. Xiao, A.R. Laplante
2004-06-09T20:23:03Z
置信度 0.70
-
crossref
J.T. McCoy, L. Auret
2018-12-08T05:22:54Z
置信度 0.70
-
crossref
2011-03-16T19:24:46Z
置信度 0.70
-
The mining industry is a fundamental industry involved in the development of modern society, but is also the world’s largest waste producer. This role will be enhanced in the future, because ore grades are generally decreasing, thus leading to increases in the…
crossref
Bernhard Dold
2014-07-08T11:15:26Z
置信度 0.70
-
We calculate the rate of upward muons induced by an arbitrary spectrum of ${\ensuremath{\nu}}_{\ensuremath{\mu}}$ and \ensuremath{\nu}${\ifmmode\bar\else\textasciimacron\fi{}}_{\ensuremath{\mu}}$, including effects of the W propagator in the relevant charged-c…
crossref
T. K. Gaisser, Todor Stanev
2002-07-27T00:48:47Z
置信度 0.70
-
crossref
2003-08-06T17:56:04Z
置信度 0.70
-
crossref
Peter J. Modreski, Regina Aumente-Modreski
2016-09-02T07:23:29Z
置信度 0.70
-
crossref
Keith Quast
2016-05-10T06:00:43Z
置信度 0.70