Newsletter for Orphaned Meteorites from USA – Volume 1 No. 1 -- January 2015
by Robert Verish

Bob's Bulletin

A newsletter for "orphaned" meteorites from the USA.

Petrographic Description for Meteorite N130912

Field ID Number N130912
Newsletter 01-1
Location Nevada, USA
Thin-section ID Number V007
Dimensions 3.0 x 2.25 x 2.25
Weight 14.68 grams
Class Ordinary Chondrite
Weathering Grade 2 (very likely)
Shock Stage 1 (most likely)
Macroscopic Description -- R. Verish
The exterior of this ordinary chondrite has dark brown fusion crust. The interior is a dark brown matrix with low metal content and the chondrules and inclusions of various sizes.
Thin Section Description -- R. Verish
The section exhibits numerous, small, but well-defined chondrules (up to 1 mm) in a brownish-black matrix of fine-grained silicates, troilite and rare metal. Polysynthetically twinned pyroxene is abundant. The meteorite is mildly weathered. Weak shock effects are present. Silicates are equilibrated. This meteorite is probably an H-chondrite.
USA Orphaned Meteorite Images for Specimen ID# N130912
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