Cuddapah Stone

Calcareous Shale

Type: Sedimentary Rock

Category: Clastic Sedimentary Rock

Chemical/Scientific/Etc. :  Having a large percentage of calcite

Description/Characteristics :  

Calcareous shales (those having a large percentage of calcite), on the other hand, are light gray or yellowish.

Place of collections: Cuddapah

Date/Month/year of Collection: 2022

Distribution: Vindhyan, Cuddapah, Siwalik and Gondwana sequences contain shale deposits. Black shales are also reported from the Vindhyans Supergroup and Tal Formation of Lesser Himalaya.

Uses if any: Shale acts as a cap rocks for oil and gas. They are rich in pyrite and various metals such Cu, V, U, and Ni. Oil shales are mined as fossil fuel.
Shales are commercially important, having many applications in the ceramics industry in particula

Collected by: