Records of the Geological Survey of India, Volume 76, Issue 16Government of India, 1948 - Earthquakes Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 12
... varies accord- ing to the proportion of mineral matter that has been introduced into the cells during the deposition or early stages of decomposition of the original vegetable matter . In Durain . This is the dull component of ...
... varies accord- ing to the proportion of mineral matter that has been introduced into the cells during the deposition or early stages of decomposition of the original vegetable matter . In Durain . This is the dull component of ...
Page 41
... varies consider- ably in thickness from 10 to 24 feet . In quality also , this seam varies , but from it some of the best coking coal of India has been extracted . The Hill seams have been little worked . Mica - perido- tite intrusions ...
... varies consider- ably in thickness from 10 to 24 feet . In quality also , this seam varies , but from it some of the best coking coal of India has been extracted . The Hill seams have been little worked . Mica - perido- tite intrusions ...
Page 73
... varies up to as much as 7 feet in thickness but is often less . It is often crushed and graphitic in type ; volatile matter is low ( about 10 per cent . ) , ash is high . Especially in view of its inaccessible position , it is not ...
... varies up to as much as 7 feet in thickness but is often less . It is often crushed and graphitic in type ; volatile matter is low ( about 10 per cent . ) , ash is high . Especially in view of its inaccessible position , it is not ...
Contents
sources of information | 1 |
COAL IN INDIAcontd | 6 |
Map of the Jammu coalfields Kashmir | 7 |
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20 feet analyses anthracitic Argada Assam Ballalpur Baluchistan Barakar measures beds Bihar bituminous coal caking carbonaceous cent Coal in India coal industry coal measures Coalfields coking coals colliery consumption Daltonganj Damodar river Damodar valley Damuda Dandot deposits Dishergarh dolerite east eastern Eocene faults feet in individual feet in thickness feet of coal feet of strata feet thick fuel Geol Geological Giridih Gondwana coals India Indian Coal intrusions Jharia field Kamthi Karanpura Kashmir Khel latter lignite limestones lower Eocene M. S. Krishnan Makarwal Mesozoic metallurgical Mikir hills million tons mines non-caking north-western northern outcrops output peridotite Permian production proved Punjab railway Raniganj Raniganj coal measures Raniganj field Raniganj measures Salt Range sandstones Sandstones and shales seams occur seams of coal sediments sequence shales southern square miles stage Talchir Tertiary Text-fig thin coal seams thin seams Upper Assam volatile workable coal workable seams workable thickness