Skeletal Grain types

Brachiopods

1. Brachiopod

Skeletal peloidal packstone with algal fragments (Komia), foraminifera and a brachiopod shell.

Pennsylvanian, Asturias, N Spain, cf. Bahamonde et al. (2015, 2017)

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2. Brachiopod

Peloidal skeletal grainstone with a brachiopod shell, red alga Komia and fusulinid foraminifera.

Pennsylvanian, Asturias, N Spain, cf. Bahamonde et al. (2015, 2017)

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3. Brachiopod

Peloidal and intraclast packstone with a brachiopod section showing the hinge and the punctae in the shell.

Lower Jurassic, High Atlas, Morocco, cf. Merino-Tome' et al. (2012)

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4. Brachiopod

Peloidal and micrite coated grain packstone with a brachiopod section showing the punctae in the shell.

Lower Jurassic, High Atlas, Morocco, cf. Merino-Tome' et al. (2012)

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5. Brachiopod

Brachiopods from Mississippian mound facies deposited in the middle ramp with geopetal sediment infill and surrounded by marine radial fibrous cement.

Mississippian, Texas, USA

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6. Brachiopod

Permian skeletal packstone containing a fusulinid foraminifer (on the left), a brachiopod and echinoderm fragment; the brachiopod shows replacive anhydrite crystals.

Permian, Karachaganak Field, Kazakhstan

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Red alga Komia

Brachiopod shell

Brachiopod shell

Fusulinid foraminifer

Punctate brachiopod shell

Micrite coated intraclast

Brachiopod

Fusulinid foraminifer

Crinoid

Brachiopods

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Red alga Komia

Brachiopod shell

Brachiopod shell

Fusulinid foraminifer

Punctate brachiopod shell

Micrite coated intraclast

Brachiopod

Fusulinid foraminifer

Crinoid