. Memoirs of the Geological Survey of India . and south ridges of sandstone-like gneiss andan s one-1 e gn i . j^Qrublendic schists. The former, when slightlydisintegrated, is not easily distinguishable from an ordinary coal-measuresandstone. The latter correspond to the varieties of homblendic schistsalready mentioned; the chief difference being that the cannon-ball struc-ture is better developed, or perhaps it may be only more favorably exposed.(134) CRYSTALLINE BOCKS. 27 Metamorpliic conglomerates were met with in the stream south of Heshapoora, and near the village of
. Memoirs of the Geological Survey of India . and south ridges of sandstone-like gneiss andan s one-1 e gn i . j^Qrublendic schists. The former, when slightlydisintegrated, is not easily distinguishable from an ordinary coal-measuresandstone. The latter correspond to the varieties of homblendic schistsalready mentioned; the chief difference being that the cannon-ball struc-ture is better developed, or perhaps it may be only more favorably exposed.(134) CRYSTALLINE BOCKS. 27 Metamorpliic conglomerates were met with in the stream south of Heshapoora, and near the village of The matrix had a gneissose structure, and con-tained rounded quartz pebbles of various sizes. West of this area some argillaceous slates form the hills, upon the flanks of which the sandstones of the Chengurhra^rsri 11(10 60I1S sl£ii>6S (or south Karunpoora) coal-field rest; nothing about the relation which they bear to the gneiss is yet known, so we are obliged to pass them over for the present with this brief notice. (135) VOL: f HtatoodeeJi ^^ ^^ _ i3 ^ US A iS £)R A IVl G U R H COAL FIELDS. Scale -T Miles = 1 uicli INDX OF COLOURS & SIGNS. r i Schist — Orif^t^S . . Slates LimfSttnie. m cIMb TaUhir Series . j SaraJcar ^ia StXf^es J ^ - ?
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