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Northwest Africa (NWA) 2999 Meteorite Thin Section in Cross Polarized Light.

Solar Anamnesis, CC BY-NC-ND 2.0 via Flickr: flic.kr/p/NRiCMU

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Northwest Africa (NWA) 2999 Meteorite Thin Section in Cross Polarized Light. Solar Anamnesis, CC BY-NC-ND 2.0 via Flickr: https://flic.kr/p/NRiCMU

NWA 2999 Meteorite Thin Section - Gigapixel

Angrite Full-screen panorama: cdn.solaranamnesis.com/ThinSections/krpano/nwa2999/Meteor... Post: blog.solaranamnesis.com/2016/07/10/nwa-2999/ Tumblr: solaranamnesis.tumblr.com/post/155822309480/nwa-2999-mete...
Flickr
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John Faithfull 🌍🇪🇺🏴󠁧󠁢󠁳󠁣󠁴󠁿🧡✊🏻✊🏿
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John Faithfull 🌍🇪🇺🏴󠁧󠁢󠁳󠁣󠁴󠁿🧡✊🏻✊🏿
• •
🤩😍 Giant orthopyroxene porphyroclast/megacryst?
in reply to John Faithfull 🌍🇪🇺🏴󠁧󠁢󠁳󠁣󠁴󠁿🧡✊🏻✊🏿

Solar Anamnesis
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Solar Anamnesis
• •
The overall texture is protogranular, but there are large porphyroclasts of anorthite, spinel, and polygranular olivine. Anorthite also occurs as narrow (10–20 µm wide) coronas around spinel grains adjacent to clinopyroxene and both spinel and diopside are compositionally zoned away from the coronas. Texturally, this meteorite is very different from most angrites. from LPI
This entry was edited (10 months ago)

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