cover image: Memoirs of the Geological Survey of India

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Memoirs of the Geological Survey of India

1876

Smith the commander pronounced it the best he ever had on board a steamer generating steam quicker without clinker and far superior to any coal in Calcutta."T The final report of the Coal Committee was published in 1845 in which under the head of Assam a digest is given Report of a Committee for the investigation of of all the then existing information regarding the the coal and mineral r[...] Thornton stated that canoes of 15 or 20 mans can be taken up the rapids to the place then used as a coal depOt in the dry season and of 100 mans during the rains and on the whole he was of opinion that the difficulties of supplying coal from the Namsang hill although great were not insurmountable; a native who accompanied him to the quarry was willing to contract for the supply of coal at Gau [...] Here it seems to be in very intimate relation on the south with the almost abutting ridges of the Arracan system the same formations being seen to bend abruptly from the steady north-easterly strike of the Patkai into the equally steady southerly trend of the contiguous ranges.* On its northern flank the Barail ridge passes close along the south-east margin of the Shillong plateau—a name proposed [...] Immediately west of the Dhansiri we come upon the great mass of metamorphic rocks which form the northern portion of the Mikir Jainti6 Kh6.si and Gila.° Hills.* The strike of the metamorphic-sedimentary boundary if produced into upper Assam below the alluvium would on account of the trend of the hills east of the Dhansiri pass to the north of their base. [...] They may exist beyond this underneath the alluvium but they do not rise to the surface along any part of the base of the hills that has yet been surveyed.t The difference in the rocks cut through is well shown at the junction of the Doyang and Dhansiri the former of which brings down dark-grey and the latter red sand.
education
Pages
102
Published in
India
SARF Document ID
sarf.100011
Segment Pages Author Actions
Frontmatter
i-vii unknown view
I.—Introduction
1-13 unknown view
II.—General Geological Notes
14-35 unknown view
III.—The Makum Field
36-45 unknown view
IV. The Jaipuir Field
46-59 unknown view
V.—The Nazira Field
60-74 unknown view
VI.—The Janji Field
75-75 unknown view
VII.—The Disai Field
76-77 unknown view
VIII.—Economic Geology
78-95 unknown view

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