DMPQ- Analyse the World Distribution of coal reserves.

China China ranks first in the world in coal production. Nearly 38 per cent of world’s coal output is from China. All types of coal are found, including anthracite, bituminous coal and lignite. Although coal occurs in every province of China, but its greatest concentration is in Shanxi and Shaanxi (Shansi and Shensi).   USA … Read more

DMPQ: Short note on Tertiary coal field.

Tertiary coal 15 to 60 million years old. Carbon content is very low.Mainly confined to the extra-Peninsula [Jammu and Kashmir, Himachal Pradesh, Assam, Arunachal Pradesh etc.]Coal generally has low carbon and high percentage of moisture and Sulphur.It takes few hundred million years for the carbon content to improve.Important areas of Tertiary coal include parts of … Read more

DMPQ:Gondwana coal field in India

Gondwana coal makes up to 98 per cent of the total reserves and 99 per cent of the production of coal in India. Satpuras, denudation [weathering + erosion] has exposed coal bearing Gondwana strata.The carbon content in Gondwana coal [250 million years old] is less compared to the  Carboniferous coal [350 million years old][Almost Absent in India] because of its much … Read more