Information om | Engelska ordet COQUINAS

Exempel på hur man kan använda COQUINAS i en mening

• Incompletely consolidated and poorly cemented coquinas are considered grainstones in the Dunham classification system for carbonate sedimentary rocks.
• Phosphatic sandstone and limestone, including cherty limestone, occur locally in the lower parts of the formation; siltstone, sandstone, coquinas and oolitic limestone interbeds can occur in the center; glauconitic sandstone and siltstone can be present in the upper parts.
• On the Atlantic Coast of the United States, studies have shown that coquinas harbour the larval stages (cercariae, sporocysts) of at least three species of digeneans (none of these represents a danger for humans).
• The sequence of siltstones, shales, coquinas and sandstone beds dates to the Devonian period; Late Emsian, Eifelian and Early Givetian epochs, and has a maximum thickness of.
• Hanadirella bramkampi ,and other ichnofossils from its common fossil location, represents a little amount of value when it comes to biostratigraphical value, although the Tanes Member provides an outstanding record of graptolites from the middle Arenigian, located in the Rioseco Nappe, as well as a unique amount of lingulid coquinas for H.

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