GRD001OS0

I-62

Diorite

Unknown
None -

5

Ritter 154

altered

5 Thin Sections only. No hand sample. Thin sections are in Thin Section only case in RH 154.

-

Marble Mtns

California
Marble Mtns, 5 mi E of Amboy
Latitude: 34.56°
Longitude: -115.66°

N/A

Intergrown biotite crystals

5.0

plane

-

5.0

crossed

-

scan

crossed

GRD001OT0: 40% plagioclase, 30% hornblende, 10% biotite, 10% quartz, 5% epidote, 2% sphene, 1% opaques, trace amount of apatite. (J. Gee)

GRD001OT1: 40% plagioclase, 30% hornblende, 10% biotite, 10% quartz, 5% epidote, 2% sphene, 1% opaques, trace amount of apatite. (J. Gee)

GRD001OT2: 40% plagioclase, 30% hornblende, 10% biotite, 10% quartz, 5% epidote, 2% sphene, 1% opaques, trace amount of apatite. (J. Gee)

GRD001OT3: 40% plagioclase, 30% hornblende, 10% biotite, 10% quartz, 5% epidote, 2% sphene, 1% opaques, trace amount of apatite. (J. Gee)

GRD001OT4: 40% plagioclase, 30% hornblende, 10% biotite, 10% quartz, 5% epidote, 2% sphene, 1% opaques, trace amount of apatite. (J. Gee)

N/A

N/A