Advanced Search
Gabbro
Field Collector: Larsen Jr. E.S.
Field Collector: Esper Signius Larsen Jr.
Place Collected:Pala, CA
Object number: ROC17016
DescriptionGabbro consisting mostly of dark grey plagioclase and black hornblende and biotite with green-brown augite. This specimen is part of professor E. S. Larsen's field work in Pala, CA in 1924.
In Collection(s)