GRD026VS0 - Geological Teaching Collection at Scripps

Record #2828 of 5779
GRD026US0 GRD026WS0

IGSN:

GRD026VS0

Sample ID:

ERDC08-29D-W

Sample Type:

Basalt

Sample Age:

Unknown
None -

Number TS:

Storage:

Ritter 154 › Cabinet 37 › Drawer F

Modifiers:

fine-grained

Notes:

Cut sample (~5x7x4 cm on cut face), rounded cobble with yellow rind. The interior is grey basalt, small black, green, and white crystals are visible. Billet pieces.

Ancillary Data Notes:

Series:

ERDC Dredge 29

Location:

Pacific Ocean
-

Photos:

N/A

Micrographs:

Notes:

General texture and crystal assemblage of the sample

Mag:

2.5

Polarized:

plane

Notes:

General texture and crystal assemblage of the sample

Mag:

2.5

Polarized:

crossed

Notes:

Small feldspar and pyroxene

Mag:

5.0

Polarized:

plane

Notes:

Beautiful zonation in feldspar

Mag:

5.0

Polarized:

crossed

Notes:

Mag:

scan

Polarized:

crossed

Thin Sections:

GRD026VT0: Abundant (~50%) small euhedral plagioclase (oscillatory zonation with simple and polysynthetic twinning), ~5% clinopyroxene, ~45% fine-grained groundmass (C. Eichler)

Documents:

N/A

References:

N/A

Geological Teaching Collection

Geological Teaching Collection

IGSN: GRD026VS0 Sample ID: ERDC08-29D-W Permalink