GRD00SWS0

110-C226

Dolostone

Paleozoic › Cambrian
488.0 - 542.0

2

Ritter 154 › Cabinet 3 › Drawer C

ooids

Oolitic, core sample. Several styolites. Original label: Bonneterre dolomite, Southern Missouri, Upper Cambrian.

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Missouri
Saint Joseph Mine #8
Latitude: 31.8°
Longitude: 90.5°

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Ooids of Slide 1. General texture of the sample.

2.5

plane

Ooids of Slide 1. General texture of the sample.

2.5

crossed

Slide 2: Dolomitized ooids

2.5

plane

Slide 2: Dolomitized ooids

2.5

crossed

Slide 1

scan

crossed

Slide 1

scan

plane

Slide 2

scan

crossed

Slide 2

scan

plane

GRD00SWT0: Slide 1: Ooids and pelletoids in micrite. Partial replacement by dolomite in many ooids. Dolomitization of micrite occurs in irregular zones. (C. Eichler)

GRD00SWT1: Slide 2: Ooids and pelletoids in micrite. Partial replacement by dolomite in many ooids. Dolomitization of micrite occurs in irregular zones. Styolite. (C. Eichler)

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