bedded chert
Quick Summary
Bedded chert is a type of chert, which is a very fine-grained quartz with minor impurities. It is characterized by layers of chert interbedded with thin layers of shale. These deposits are often associated with volcanic rocks, particularly submarine flows, and deep-water mudrocks.12
Chert itself is a rock composed primarily of microcrystalline quartz and chalcedony, with some amorphous silica. Varieties of chert include flint, jasper, agate, chalcedony, porcelanite, and novaculite. Historically, chert and flint were crucial for Stone Age tools and weapons due to their fine grain and brittleness, which allowed for sharp edges when chipped. Today, chert is used in road construction, as concrete aggregate, and in grinding materials for industries like ceramics and paint.231
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chert and flintBedded chert, also referred to as ribbon chert, is made up of layers of chert interbedded with thin layers of shale. Many bedded cherts are made up of the remains of siliceous organisms such as diatoms, radiolarians, or sponge spicules.
Read MoreBedded chert, also referred to as ribbon chert, is made up of layers of chert interbedded with thin layers of shale. Many bedded cherts are made up of the remains of siliceous organisms such as diatoms, radiolarians, or sponge spicules.
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sedimentary rockTypes of cherts…varieties of chert deposits exist—namely, bedded chert and nodular chert. Bedded cherts occur in individual bands or layers ranging in thickness from one to several centimetres or even tens of metres. They are intimately associated with volcanic rocks, commonly submarine volcanic flows as well as deep-water mudrocks. Classic examples include…
Read More…varieties of chert deposits exist—namely, bedded chert and nodular chert. Bedded cherts occur in individual bands or layers ranging in thickness from one to several centimetres or even tens of metres. They are intimately associated with volcanic rocks, commonly submarine volcanic flows as well as deep-water mudrocks. Classic examples include…
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