GRD01JSS0

W83-120

Replacement Features

Paleozoic › Permian › Middle Permian
260.0 - 271.0

1

Ritter 154 › Cabinet 23 › Drawer K

dolomite,pellets,gypsum

Small white sample of fine-grained limestone. Starry crystal clusters of gypsum replaced by dolomite. Micrite matrix. Original label: Dolomitic micrite of the Tansill formation.

Samples W83-119 and W83-120, see Winterer 1982- 1983 notebook, page 143.

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New Mexico
Guadalupe Mountains area
Latitude: 31.92°
Longitude: -104.88°

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Dolomite cluster surrounded by micritic pellets

5.0

plane

Dolomite cluster surrounded by micritic pellets

5.0

crossed

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scan

crossed

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scan

plane

GRD01JST0: Indistinct micrite pellets, foraminifera, and radiolarians in micrite. Clusters of gypsum replaced by dolomite. (C. Eichler)

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