GRD026QS0 - Geological Teaching Collection at Scripps

Record #2823 of 5779
GRD026PS0 GRD026RS0

IGSN:

GRD026QS0

Sample ID:

ERDC08-29D-5-Y

Sample Type:

Andesite

Sample Age:

Unknown
None -

Number TS:

Storage:

Ritter 154 › Cabinet 37 › Drawer F

Modifiers:

Notes:

Small bag of three very small cut pieces. Grey fine-grained groundmass with black lath-like crystals.

Ancillary Data Notes:

Series:

ERDC Dredge 29

Location:

Pacific Ocean
-

Photos:

N/A

Micrographs:

Notes:

Amphibole and plagioclase in fine-grained matix

Mag:

2.5

Polarized:

plane

Notes:

Amphibole and plagioclase in fine-grained matrix

Mag:

2.5

Polarized:

crossed

Notes:

Set B

Mag:

scan

Polarized:

crossed

Thin Sections:

GRD026QT0: Set B: Abundant euhedral to subhedral plagioclase phenocrysts (oscillatory zonation and simple twinning), Lath-lite amphibole (kaersutite?); subhedral to anhedral opaques; Thin section is carbon-coated. (C. Eichler)

Documents:

N/A

References:

N/A

Geological Teaching Collection

Geological Teaching Collection

IGSN: GRD026QS0 Sample ID: ERDC08-29D-5-Y Permalink