Advanced Search
Gabbro
Field Collector: Esper Signius Larsen Jr.
Place Collected:Elisnore Quadrangle, Southern California
Object number: ROC21793
DescriptionDark grey gabbro consisiting of white plagioclase within a matrix of black pyroxene that has been mostly altered to hornblende. Plagiocalse is euhedral and < 3 mm hornblende is sub-anhedral and up to 1 cm across.
In Collection(s)
Geography