Carbonate Rock Classification

Calci-mudstone

1. Calci-mudstone

Micrite matrix-supported; skeletal grains (dasyclad alga Clypeina jurassica) < 10%.

Thin section kindly provided by T. Geel, Vrije Universiteit, Amsterdam

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2. Calci-mudstone

Micrite matrix-supported; non skeletal grains (peloids) < 10%. Fenestral voids filled by geopetal carbonate mud and blocky sparite are indicative of intertidal depositional environment

Thin section kindly provided by T. Geel, Vrije Universiteit, Amsterdam

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Calci Mudstone

dasyclad algae fragment

Clypeina jurassica

micrite matrix

Calci-mudstone

geopetal filling in fenestrae

Calci-mudstone

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Calci Mudstone

dasyclad algae fragment

Clypeina jurassica

micrite matrix

Calci-mudstone

geopetal filling in fenestrae