GRD0018S0 - Geological Teaching Collection at Scripps

Record #10 of 153
GRD0017S0 GRD0019S0

IGSN:

GRD0018S0

Sample ID:

I-46

Sample Type:

Granodiorite

Sample Age:

Unknown
None -

Number TS:

Storage:

Ritter 154

Modifiers:

Notes:

Thin section only. Thin section in Thin Section Only case in RH 154.

Ancillary Data Notes:

Series:

Location:

California
-

Photos:

N/A

Micrographs:

Notes:

Alteration

Mag:

2.5

Polarized:

plane

Notes:

Altered feldspar. Note slight off-set in twinning due to fracture.

Mag:

2.5

Polarized:

crossed

Notes:

Mag:

scan

Polarized:

crossed

Thin Sections:

GRD0018T0: Plag, quartz, biotite, amphibole, opaques. Very Altered tonalite

Documents:

N/A

References:

N/A

Geological Teaching Collection