Biochemical sedimentary rocks are also known as organic sedimentary rocks. They form when dead plant and animal matter accumulates in a low-oxygen... See full answer below.

Biochemical sedimentary rocks, also known as bioclastic sedimentary rocks, form from the gradual accumulation of biologic material such as shells or dead plant material. Sedimentary Rock Resources: Clastic Sedimentary Rocks

Biochemical sedimentary rocks are formed from shells and bodies of underwater organisms. The living organisms extract chemical components from the water and use them to build shells and other body parts.

01/03/2020 · biochemical sedimentary rocks. Biochemical sedimentary rocks form from sediment derived by biological processes. Once the marine plant or animal dies, it may settle to the ocean floor as biochemical sediment, then become compacted and cemented together into solid rock. Click to see full answer.

02/02/2009 · Biochemical sedimentary rocks: limestone, coal, chalk. Evaporative chemical sedimentary rocks: rock salt, gypsum.

Organic Sedimentary Rocks. This rock type mainly comprises coal and limestones which is formed due to accumulation and deposition of dead plants and animals in rock layers. Clastic Sedimentary Rocks. This type of rock is formed when rock layers are formed due to the mechanical weathering of different rock types. Chemical Sedimentary Rocks

Biochemical sediments and organic sediments and sedimentary rocks are those derived from living organisms and consist of fragments of particles produced by precipitation from once living organisms—most of these rocks are limestones and chert. Under the appropriate conditions, which vary depending upon the surrounding environment, the remains of dead …