L3.7-4 Meteorite Classification

Class Description

The classification “L3.7-4” refers to an ordinary chondrite from the L group that is a breccia composed of fragments with petrologic type 3 and type 4 characteristics. Ordinary chondrites from the L group are known for their moderate-sized chondrules and specific oxygen isotope compositions. Petrologic type 3 indicates minimal aqueous alteration and unique mineral features, while type 4 signifies metamorphosis that homogenized olivine compositions and recrystallized fine-grained material in the chondrite. In this breccia, both type 3 and type 4 components are present.

L3.7-4 Meteorite Examples

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