GRD0089S0
I-308
Gabbro
Mesozoic › Jurassic
145.5
-
201.6
0
Ritter 154 › Cabinet 20 › Drawer B
Hornblende
Original label: Hb thomsonite teschenite (ophitic plag-augite olivine). From layered Hb-bearing picrite-anorthositic gabbro suite.
IntMinAssoc1962.pdf p. 19
Humboldt
Nevada
West Humbolt Range
N/A
N/A
N/A
IntMinAssoc1962.pdf
(2.0 MB)
Speed, R.C., 1962, Layered Picrite-anorthositic Gabbro Sheet, West Humbolt Range, Nevada, International Mineralogical Association, pg 203.