GRD019OS0

W79-80

Sedimentary Structures

Mesozoic › Jurassic
145.5 - 201.6

1

Ritter 154 › Cabinet 18 › Drawer Q

laminated,replacement

brown and gray laminated chert with white calcite veins; dolomite rhombs.

Samples W79-54 through W79-89 south of Lagonegro, Italy; all samples within the Jurassic Scisti silicei formation; see Winterer 1979 notebook, pages 34 through 41

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Italy
south of Lagonegro
Latitude: 40.12°
Longitude: 15.77°

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Twinned dolomite rhombs in chert

2.5

plane

Twinned dolomite rhombs in chert

2.5

crossed

-

scan

crossed

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scan

plane

GRD019OT0: Chert with lenses of dolomite rhombs, some prismatic. (C. Eichler)

N/A

N/A