GRD01AVS0 - Geological Teaching Collection at Scripps

Record #140 of 206
GRD01AUS0 GRD01AVS1

IGSN:

GRD01AVS0

Sample ID:

W79-118

Sample Type:

Chert

Sample Age:

Cenozoic › Neogene › Miocene
5.3 - 23.0

Number TS:

Storage:

Ritter 154 › Cabinet 18 › Drawer N

Modifiers:

radiolarians,siderite,pyrite

Notes:

Green chert. Lentric laminae. Radiolarians. Offset in middle in green. Pyrite in hand sample. Pull-apart fractures. Two thin sections are very different. Smaller thin section has radiolarians.

Ancillary Data Notes:

Samples W79-116 through W79-131 see Winterer 1979 notebook, pages 62 through 67

Series:

Location:

Italy
Southern edge of Sasseta
Latitude: 43.13°
Longitude: 10.64°

Photos:

Notes:

Micrographs:

Notes:

Slide 2: Dark pelletal beds in contact with radiolarian-rich bed

Mag:

5.0

Polarized:

plane

Notes:

Slide 2: Dark pelletal beds in contact with radiolarian-rich bed

Mag:

5.0

Polarized:

crossed

Notes:

Pyrite crystal near offset contact between two layers of chert

Mag:

5.0

Polarized:

plane

Notes:

Pyrite crystal near offset contact between two layers of chert

Mag:

5.0

Polarized:

crossed

Notes:

Slide 1

Mag:

scan

Polarized:

crossed

Notes:

Slide 1

Mag:

scan

Polarized:

plane

Notes:

Slide 2

Mag:

scan

Polarized:

crossed

Notes:

Slide 2

Mag:

scan

Polarized:

plane

Thin Sections:

GRD01AVT0: Larger portion of rock on the thin section. Siderite nodules. Pyrite cubes. (C. Eichler)

GRD01AVT1: Pull-apart fractures. Dark beds are pelletal with pyrite crystals; light beds are radiolarian-rich. (C. Eichler)

Documents:

N/A

References:

N/A

Geological Teaching Collection

Geological Teaching Collection

IGSN: GRD01AVS0 Sample ID: W79-118 Permalink