Brachinite

Author: mogp

August undefined, 2024

WebBrachinite Oxidized Purchased April 2005 no coordinates recorded A single fusion-crusted stone weighing 1,500 g was found in Morocco or Algeria. The meteorite was subsequently purchased by G. Hupé while visiting in Morocco. WebBrachinites are primitive achondrites whose petrogenesis began with oxidized chondritic material of CI-like composition that accreted to a parent body which was internally heated, equilibrating the metal into the silicates (mainly olivine) as oxide and converting most of the opx into more olivine.

Brachiate Definition & Meaning - Merriam-Webster

WebSep 14, 2024 · Other olivine-rich asteroid-derived rocks include the brachinites, brachinite-like achondrites (BLA), and ureilites. The brachinites and brachinite-like achondrites … WebOf the ten different brachinite samples studied by Mikouchi et al. (2024), they found that NWA 4874 and NWA 5969 have CPO of olivine grains for both the b and c axis attesting to a complex crystallization process involving flow alignment, accumulation, and/or compaction. smil thermo

(PDF) Brachinites: A New Primitive Achondrite Group

WebApr 1, 2024 · Name: Brachina This is an OFFICIAL meteorite name. Abbreviation: There is no official abbreviation for this meteorite. Observed fall: No Year found: 1974 Country: Australia Mass: 203 g Classification history: This is 1 of 55 approved meteorites classified as Brachinite. [show all] Search for other: Brachinites, Primitive achondrites Writeup WebBrachinites are olivine-rich achondrites with up to 15 modal % augite; various abundances of plagioclase (0–10 modal %); and minor to trace abundances of orthopyroxene, … 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. smil tannlegesenter nationaltheatret

Brachinite

WebMar 19, 2024 · Writeup. Writeup from MB 90: Northwest Africa 3151. Morocco or Algeria. Find: April 2005. Achondrite (brachinite) History: A 1500 g complete stone with a thin, translucent crust was purchased by G. Hupé in Tagounite, Morocco, in April 2005. Petrography and Geochemistry: (A. Irving and S. Kuehner, UWS) Coarse-grained dunitic … WebOct 1, 2014 · Brachinites are ultramafic, dunitic to wherlitic, unbrecciated and essentially unshocked rocks that are low in SiO (∼36–39 wt.%), high in MgO (∼27–30 …

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WebA brachinite is a member of small, puzzling group of primitive (little altered since their formation) achondrites composed mostly of the mineral olivine. Brachinites are named after the 0.2 kg Brachina meteorite that was found on 26 May 1974 in the desert of South Australia (31° 18' S, 138° 23' E). WebHigh quality meteorites for a good price and a very fast delivery. Very recommended!

WebMar 15, 2012 · Brachinites and brachinite-like achondrites. Since the identification of Brachina as an asteroidal achondrite (Nehru et al., 1983), the brachinite group has … WebIntroduction. The term brachinite was used for Brachina [1] because it represented a new type of meteorite. Four more have now been found, constituting a new group. The …

WebThe mineral composition of the Brachina meteorite is olivine (80%), plagioclase (10%), Clinopyroxene (5.5%), iron-sulfide (3%), chromite (0.5%), chlorapatite (0.5%) and … WebBrachinites take their name from the Brachina meteorite found in 1974 in Brachina, Australia. Only about 1 out of every 1,300 recovered meteorites is a brachinite, making them one of the rarest types known to science. …

Brachinites are a group of meteorites that are classified either as primitive achondrites or as asteroidal achondrites. Like all primitive achondrites, they have similarities with chondrites and achondrites. Brachinites contain 74 to 98% (volume) olivine. See more Brachinites are named after the Brachina meteorite, the type specimen of this group, which in turn is named after Brachina, South Australia. See more Brachinites consist almost entirely of olivine (74 to 98% by volume). Other minerals include plagioclase (6.7 to 12.9%), iron sulfides (1.8 to 4.0%), clinopyroxene (1.5 to 8.2%) and See more • Glossary of meteoritics See more As of 2024, there were 56 meteorites classified as brachinites. A notable example is the type specimen, the Brachina meteorite. See more

WebJun 30, 1992 · Abstract Introduction. The term brachinite was used for Brachina [1] because it represented a new type of meteorite. Four more have now been found, … ritchie powersports tnWebBrachinites take their name from the Brachina meteorite found in 1974 in Brachina, Australia. Only about 1 out of every 1,300 recovered meteorites is a brachinite, making … smil thompson peakWebBrachinite mineral data, information about Brachinite, its properties and worldwide locations. PLEASE SUPPORT US . Mindat.org costs more money to run than we're … smil thompson peak hours