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Fossiliferous limestone is a type of limestone that contains noticeable quantities of fossils or fossil traces. If a particular type of fossil dominates, a more specialized term can be used as in "Crinoidal", "Coralline", "Conchoidal" limestone. If seashells, shell fragments, and shell sand form a significant part of the rock, a term "shell ...
Shelly limestone is a highly fossiliferous limestone, composed of a number of fossilized organisms such as brachiopods, bryozoans, crinoids, sponges, corals and mollusks. It varies in color, texture and hardness. Coquina is a poorly indurated form of shelly limestone. Shelly limestone is a sedimentary rock because it is made up of fragments.
Overlying the fossiliferous sands and sandy clays of the upper San Fernando River in northeastern Mexico is a bed of coquina limestone dating probably to the Cenozoic era. [17] Coquina deposits also occur in the Baja California peninsula, including submerged "reefs". So-called coquina "reefs" occur at Punta Borrascosa, San Felipe and ...
Carboniferous Limestone – Limestone deposited during the Dinantian Epoch of the Carboniferous Period; Coquina – Sedimentary rock that is composed mostly of fragments of shells; Coral rag – Limestone composed of ancient coral reef material; Chalk – Soft carbonate rock; Fossiliferous limestone – Limestone containing fossils
This article contains a list of fossil-bearing stratigraphic ... Period Notes Admire Formation: Carboniferous: Admire Group/Falls City Limestone: Carboniferous ...
This article contains a list of fossil-bearing stratigraphic units in the state of Texas, U.S. Sites ... Bone Spring Limestone: Permian: Boquillas Formation ...
The Beechwood Limestone Member. Defined by its Crinoidal Beds. The Silver Creek Member is massive and mostly grey, often argillaceous. The Speed member is a shaley limestone. The Jeffersonville Limestone is a coarse grained, dark gray, thick bedded, fossiliferous limestone.
This article contains a list of fossil-bearing stratigraphic units in the state of Alabama, U.S. Sites ... Salt Mountain Limestone: Paleogene: Selma Group/Demopolis ...