EH3/4-an Meteorite Classification

Class Description

The “EH3/4-an” classification denotes an enstatite chondrite from the EH group, which is either petrologic type 3 or type 4, but uniquely displays anomalous characteristics not typical for these types. These meteorites, characterized by their high iron content, small chondrules, silicon-rich metal, and highly reduced mineral assemblages, exhibit a blend of features including abundant chondrules, altered olivine compositions, and distinct pyroxene grains, yet differ in certain specific properties from the standard types.

EH3/4-an Meteorite Examples

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