Coal
Type: Sedimentary rock
Category: Sedimentary rock
Chemical/Scientific/Etc. : he “volatile matter” does not exist by itself (except for some adsorbed methane) but designates the volatile compounds that are produced and driven off by heating the coal. A typical bituminous coal may have an ultimate analysis on a dry, ash-free basis of 84.4% carbon, 5.4% hydrogen, 6.7% oxygen, 1.7% nitrogen, and 1.8% sulfur, on a weight basis
Description/Characteristics :
Coal is a combustible black or brownish-black sedimentary rock primarily composed of carbon, along with various other elements such as hydrogen, sulfur, oxygen, and nitrogen.
forms from the remains of plants that lived and died in swampy, low-oxygen environments millions of years ago.
four main types of coal, lignite, bituminous, sub-bituminous, and anthracite colour of coal can range from brown to black.
Place of collections: Assam
Date/Month/year of Collection: 2023
Distribution: Coal is found all over the world
Uses if any: Coal also has a myriad of other uses, including in cement production, carbon fibers and foams, medicines, tars, synthetic petroleum-based fuels, and home and commercial heating.
Collected by: Chithrabhanu K Pakaravoor