Search Results - "Agee, B"
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Unique Meteorite from Early Amazonian Mars: Water-Rich Basaltic Breccia Northwest Africa 7034
Published in Science (American Association for the Advancement of Science) (15-02-2013)“…We report data on the martian meteorite Northwest Africa (NWA) 7034, which shares some petrologic and geochemical characteristics with known martian meteorites…”
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Multiple early-formed water reservoirs in the interior of Mars
Published in Nature geoscience (01-04-2020)“…The abundance and distribution of water within Mars through time plays a fundamental role in constraining its geological evolution and habitability. The…”
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3
Silica-rich volcanism in the early solar system dated at 4.565 Ga
Published in Nature communications (02-08-2018)“…The ranges in chemical composition of ancient achondrite meteorites are key to understanding the diversity and geochemical evolution of planetary building…”
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Preliminary Planning for Mars Sample Return (MSR) Curation Activities in a Sample Receiving Facility (SRF)
Published in Astrobiology (01-06-2022)“…The Mars Sample Return Planning Group 2 (MSPG2) was tasked with identifying the steps that encompass all the curation activities that would happen within the…”
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Ruptured Intracranial Aneurysms Treated with the Pipeline Embolization Device: A Systematic Review and Pooled Analysis of Individual Patient Data
Published in American journal of neuroradiology : AJNR (01-04-2021)“…The Pipeline Embolization Device (PED) is a flow-diverting stent for the treatment of intracranial aneurysms and is used off-label for a subset of ruptured…”
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Rb-Sr and Sm-Nd isotopic and REE studies of igneous components in the bulk matrix domain of Martian breccia Northwest Africa 7034
Published in Meteoritics & planetary science (01-03-2016)“…The bulk matrix domain of the Martian breccia NWA 7034 was examined petrographically and isotopically to better understand the provenance and age of the source…”
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Inventory of H2O in the ancient Martian regolith from Northwest Africa 7034: The important role of Fe oxides
Published in Geophysical research letters (16-12-2014)“…Water‐rich Martian regolith breccia Northwest Africa (NWA) 7034 was analyzed by Fourier transform infrared spectroscopy and transmission electron microscopy to…”
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Science and Curation Considerations for the Design of a Mars Sample Return (MSR) Sample Receiving Facility (SRF)
Published in Astrobiology (01-06-2022)“…The most important single element of the "ground system" portion of a Mars Sample Return (MSR) Campaign is a facility referred to as the Sample Receiving…”
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The Scientific Importance of Returning Airfall Dust as a Part of Mars Sample Return (MSR)
Published in Astrobiology (01-06-2022)“…Dust transported in the martian atmosphere is of intrinsic scientific interest and has relevance for the planning of human missions in the future. The MSR…”
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The early differentiation of Mars inferred from Hf–W chronometry
Published in Earth and planetary science letters (15-09-2017)“…Mars probably accreted within the first 10 million years of Solar System formation and likely underwent magma ocean crystallization and crust formation soon…”
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Petrology of igneous clasts in Northwest Africa 7034: Implications for the petrologic diversity of the martian crust
Published in Geochimica et cosmochimica acta (15-05-2015)“…The martian meteorite Northwest Africa (NWA) 7034 was examined both petrographically and geochemically using several micro-beam techniques including electron…”
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Compressibility of water in magma and the prediction of density crossovers in mantle differentiation
Published in Philosophical transactions of the Royal Society of London. Series A: Mathematical, physical, and engineering sciences (28-11-2008)“…from various studies allows calculation of hydrous melt compression curves relevant to high-pressure planetary differentiation. From these compression curves,…”
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A complex history of silicate differentiation of Mars from Nd and Hf isotopes in crustal breccia NWA 7034
Published in Earth and planetary science letters (15-11-2018)“…Resolving the possible mantle and crustal sources for shergottite meteorites is crucial for understanding the formation and early differentiation of Mars…”
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Geochemistry of mantle-core differentiation at high pressure
Published in Nature (London) (20-06-1996)“…The apparent excess of siderophile elements in the Earth's mantle has been a long-standing enigma in the geochemistry of mantle-core differentiation. Questions…”
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Conditions of core formation in the earth: Constraints from Nickel and Cobalt partitioning
Published in Geochimica et cosmochimica acta (15-04-2005)“…The abundances of Ni and Co in the Earth’s mantle are depleted relative to chondrites due to terrestrial core formation. Recently, the observed mantle…”
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Geologic history of Martian regolith breccia Northwest Africa 7034: Evidence for hydrothermal activity and lithologic diversity in the Martian crust
Published in Journal of geophysical research. Planets (01-10-2016)“…The timing and mode of deposition for Martian regolith breccia Northwest Africa (NWA) 7034 were determined by combining petrography, shape analysis, and…”
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Static compression of hydrous silicate melt and the effect of water on planetary differentiation
Published in Earth and planetary science letters (30-01-2008)“…High pressure experiments using the sink/float method have bracketed the density of hydrous iron-rich ultrabasic silicate melt from 1.35 to 10.0 GPa at…”
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Core formation in the Earth and Moon: new experimental constraints from V, Cr, and Mn
Published in Geochimica et cosmochimica acta (01-06-2003)“…The mantles of the Earth and Moon are similarly depleted in V, Cr, and Mn relative to the concentrations of these elements in chondritic meteorites. The…”
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Experimental constraints on the origin of Martian meteorites and the composition of the Martian mantle
Published in Earth and planetary science letters (01-08-2004)“…The major element compositions of partial melts of a chondritic (Homestead L5) model Mars mantle have been determined at 4.7–5.0 GPa in a multi-anvil device…”
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The Northwest Africa 8159 martian meteorite: Expanding the martian sample suite to the early Amazonian
Published in Geochimica et cosmochimica acta (01-12-2017)“…Northwest Africa (NWA) 8159 is an augite-rich shergottite, with a mineralogy dominated by Ca-, Fe-rich pyroxene, plagioclase, olivine, and magnetite. NWA 8159…”
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