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Clastic-made of mineral grains compacted and cemented together rather than metamorphic and igneous rocks which have a crystalline structure of interlocking crystals.

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11y ago
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12y ago

They are classified or their orgin is chemical, clastic, and organic, if that's what your asking. Hope it helps! :-)

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11y ago

detrital, chemical, or organic

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Q: Sedimentary rocks are usually classified as?
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Related questions

Are sedimentary rocks classified tofoliated sedimentary rocks?

Metamorphic rocks are classified by foliation or lack there of, not sedimentary rocks. They are classified into Clastic Sedimentary, and Chemical Sedimentary.


How can sedimentary rocks can be classified?

sedimentary rocks can be classified by detrial, chemical ,or organic


How are sedimentary rocks classified?

classified by weathering


Why are coal and rock limestone classified as organic sedimentary rocks?

The material comprising the rocks coal and limestone are derived from organisms. Therefore, they are classified as organic sedimentary rocks.


How are rocks physically classified?

they are classified into 3 major kinds of rocksthey are the ;IGNEOUS ROCKS,SEDIMENTARY ROCKS,AND METAMORPHIC ROCKS


How is sedimatary rocks classified?

Sedimentary Rocks are classified based on some criterials, such as Origin and Mode of formation. Sedimentary Rocks can be classified into 3 as follows; 1. Clastic Sedimentary Rock. eg. Sandstone. 2. Organic Sedimentary Rock. eg. Limestone. 3. Chemical Sedimentary Rock. eg. Gypsum.


What are a couple of examples of sedimentary rocks?

Rocks that are categorized as sedimentary rocks include sandstone, breccia shale, limestone and selenite. Sedimentary rocks are classified by their grain size.


What are rock groups that are classified as clastic sedimentary rocks?

They are mechanically formed sedimentary rocks, such as Sandstone and Conglomerate.


What kind of sedimentary rocks are crystalline limestone and chert classified as?

intrusive sedimentary


What type of soil are classified as sedimentary rocks?

saugat


Are sedimentary rocks classified by foliated and nonfoliated?

Yes! they are!


What are rocks that form from fragmental classified as?

clastic sedimentary