Brachinites
Web21NE COSMIC-RAY EXPOSURE AGES OF BRACHINITES AND BRACHINTE-LIKE ACHONDRITES. S. P. Beard 1, D. Weimer2, H. Busemann2, C. Maden2, T. D. Swindle1, Lunar and Planetary Laboratory, University of Arizona, Tucson AZ 85721 ([email protected]), 2Institute of Geochemistry and Petrology, ETH Zurich, , … WebDescription: The brachinites in our collections are all more or less fine-grained ultra-mafic rocks of a rather homogenous composition, resembling terrestrial dunites, and …
Brachinites
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WebMar 15, 2012 · The HSE compositions of GRA 06128/9 and brachinites require either: (1) multiple phases in the residue (e.g., metal and sulphide); (2) fractionation after generation of an initial melt, again involving multiple phases; (3) fractional fusion, or; (4) a parent body with non-chondritic relative HSE abundances. WebMar 17, 2003 · Brachinites are another very rare group' of differentiated meteorites consisting primarily of olivine, with minor augite, chromite, Fe-sulfides, and sometimes …
WebApr 1, 2024 · Name: Northwest Africa 8323 This is an OFFICIAL meteorite name. Abbreviation: NWA 8323 Observed fall: No Year found: 2013 Country: (Northwest Africa) Mass: 251 g Classification history: This is 1 of 605 approved meteorites (plus 1 unapproved name) classified as CV3. [show all] WebBrachinites are achondrites that formed early in Solar System history. They consist almost exclusively of olivine; if they were terrestrial rocks, they would be classified, …
WebDec 1, 2013 · The brachinites are fine- to coarse-grained rocks with granoblastic texture whose mineralogy is dominated by FeO-rich olivine (∼Fa 32–36) with minor … WebBrechites is a genus of bivalves belonging to the family Penicillidae. [1] The species of this genus are found in Red Sea, Malesia and Australia. [1] Species: [1] Brechites attrahens …
WebFigure 3: Oxygen isotope plot for brachinites [1, 5, 6] and other planetary achondrites [7, 13]; all plotted data are by laser fluorination, except open circles [4]. Discussion: The complete range in laser ∆17 O val-ues for 8 brachinites sensu lato is 0.17 per mil, which is beyond the reproducibility for replicate analyses of
Webbrachinites are primitive or differentiated achondrites. SAMPLES AND ANALYTICAL METHODS We obtained polished thin sections of ALH 84025, EET 99402, and EET … chicory crops ross on wyeWebBrachytes is a genus of seed bugs in the tribe Daladerini, erected by John Obadiah Westwood in 1842.. References chicory crops upton bishopWebLa page Facebook s'ouvre dans une nouvelle fenêtre La page Instagram s'ouvre dans une nouvelle fenêtre chicory crops limitedWebJul 1, 2002 · Type 3 ordinary chondrites are some of the least altered meteorites. They are a petrologic window to the early solar system and its formation. Metamorphic features present in these major classes of... chicory crossword clueWebThe brachinite family, which includes brachinites and ungrouped achondrites with compositional and isotopic similarities to brachinites, comprises FeO-rich, olivine … goscote house walsallWebSep 10, 2024 · The brachinites are olivine-dominated meteorites with a recrystallized texture that we and others interpret as evidence of partial melting and melt removal on … chicory creek sturtevant wi homes for saleWebJan 6, 2011 · Brachinites are clearly distinguished from the other major groups of primitive achondrites by modal abundances of major silicate minerals . Their high … chicory crops ltd