GRD00YJS0 - Geological Teaching Collection at Scripps

Record #23 of 51
GRD00Y6S0 GRD00ZCS0

IGSN:

GRD00YJS0

Sample ID:

S-1

Sample Type:

Conglomerate

Sample Age:

Cenozoic › Paleogene › Eocene
33.9 - 55.8

Number TS:

Storage:

Ritter 154

Modifiers:

Notes:

Poway conglomerate, atypical - usually reddish; missing hand sample. Thin Section in black thin section only case in RH 154.

Ancillary Data Notes:

Series:

Location:

California
Encinitas

Photos:

N/A

Micrographs:

Notes:

Altered plagioclase in granular quartz matrix

Mag:

5.0

Polarized:

plane

Notes:

Altered plagioclase in granular quartz matrix

Mag:

5.0

Polarized:

crossed

Notes:

Mag:

scan

Polarized:

crossed

Thin Sections:

GRD00YJT0: Large subhedral plagioclase, garnet, and embayed quartz in a quartz matrix. Minor amount of small biotite. Altered rims on many feldspar. Some poikilitic altered feldspar. Not sure if this is a conglomerate; mislabelled? (C. Eichler)

Documents:

N/A

References:

N/A

Geological Teaching Collection

Geological Teaching Collection

IGSN: GRD00YJS0 Sample ID: S-1 Permalink