NEA 023 LL7 斑状陨石， - 4 g
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NEA 023 LL7 Poikiloblastic Chondrite Meteorite 来自利比亚，主矿物为橄榄石，重量 4 g。
AI辅助摘要
卖家的描述
NEA 023
LL7 斑晶性球粒陨石。
Found in April 2020 in Libya.
This is officially classified and approved as NEA 023 LL7 Poikiloblastic meteorite.
Classified and studied by Dr Anthony J. Irving and team at Department of Earth and Space sciences,
University of Washington.
GUARANTEED AUTHENTICITY
The authenticity of this meteorite is 100% guaranteed with a signed certificate
Free first tracked express class delivery.
OFFICIAL CLASSIFICATION DATA SOURCE METEORITICAL BULLETIN DATABASE,
Petrography: (A. Irving, UWS and P. Carpenter, WUSL) This fresh specimen has a poikiloblastic texture with abundant very small olivine chadacrysts enclosed by larger low-Ca pyroxene oikocrysts. No recognizable chondrules are present. Accessory phase include sodic plagioclase, augite, taenite, kamacite, troilite and merrillite. Some thin dark shock veinlets are present.
Geochemistry: Olivine (Fa29.9±0.3, range Fa29.6-30.3, N = 5), low-Ca pyroxene (Fs24.2±0.1Wo3.9±0.2, range Fs24.1-24.3Wo3.7-4.2, N = 5), augite (Fs12.1Wo40.2).
Classification: Ordinary chondrite (LL7, poikiloblastic).
NEA 023
LL7 斑晶性球粒陨石。
Found in April 2020 in Libya.
This is officially classified and approved as NEA 023 LL7 Poikiloblastic meteorite.
Classified and studied by Dr Anthony J. Irving and team at Department of Earth and Space sciences,
University of Washington.
GUARANTEED AUTHENTICITY
The authenticity of this meteorite is 100% guaranteed with a signed certificate
Free first tracked express class delivery.
OFFICIAL CLASSIFICATION DATA SOURCE METEORITICAL BULLETIN DATABASE,
Petrography: (A. Irving, UWS and P. Carpenter, WUSL) This fresh specimen has a poikiloblastic texture with abundant very small olivine chadacrysts enclosed by larger low-Ca pyroxene oikocrysts. No recognizable chondrules are present. Accessory phase include sodic plagioclase, augite, taenite, kamacite, troilite and merrillite. Some thin dark shock veinlets are present.
Geochemistry: Olivine (Fa29.9±0.3, range Fa29.6-30.3, N = 5), low-Ca pyroxene (Fs24.2±0.1Wo3.9±0.2, range Fs24.1-24.3Wo3.7-4.2, N = 5), augite (Fs12.1Wo40.2).
Classification: Ordinary chondrite (LL7, poikiloblastic).
详细资料
陨石类型
NEA 023 LL7 Poikiloblastic Chondrite Meteorite,
重量
4 g
国家
利比亚
