Records of the Geological Survey of India, Volume 96Geological Survey of India, 1971 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 186
... basic members show chilled margins against the country rock . The central acid member , however , does not chill against the basic flanks . The contact between the two contrasted members may be ( i ) rapidly merging , ( ii ) a zone of ...
... basic members show chilled margins against the country rock . The central acid member , however , does not chill against the basic flanks . The contact between the two contrasted members may be ( i ) rapidly merging , ( ii ) a zone of ...
Page 188
... basic members of a former epoch . In such intrusives symmetry is not inherent and the later members often show chilled contacts with the basic rock ( symmetrical multiple dyke of Haff , 1941 , p . 840 ) . Interaction along the contact ...
... basic members of a former epoch . In such intrusives symmetry is not inherent and the later members often show chilled contacts with the basic rock ( symmetrical multiple dyke of Haff , 1941 , p . 840 ) . Interaction along the contact ...
Page 190
... basic magma of a later epoch into dykes of an earlier epoch . Such intrusives may show cross - cutting relationship along with displace- ment of the earlier dyke ( Bailey and Thomas , 1924 , p . 357 ) . The different injections may be ...
... basic magma of a later epoch into dykes of an earlier epoch . Such intrusives may show cross - cutting relationship along with displace- ment of the earlier dyke ( Bailey and Thomas , 1924 , p . 357 ) . The different injections may be ...
Contents
Son Valley in Mirzapur district U P by F Ahmad | 1 |
Some Geological factors influencing the behaviour of | 42 |
The Snout of the Machoi Glacier Kashmir by | 51 |
Copyright | |
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acid actinolite analyses Auden basalt bauxite beds Bilaspur boulders breccia brown cent by weight chemical chert chrome-rich suite chromite chromite deposits clay colour composition concentration conglomerate crystallisation crystals district dolerite dumortierite east epidote exposed faults felspar fine-grained flows folded formation formed fossils fraction friable garnet Geol Geological Survey Ghumarwin glacier grains granite grey Haritalyangar hill horizon igneous ilmenite indicated Konal Kosi laterite layers limestone Lower magma magnetite mapping material metres Middle Siwalik minerals multiple dykes multiple intrusions Mussoorie occur orthopyroxenite overlying Oxide P₂O pebbles pelitic phosphate phosphorus phyllites plagioclase porcellanites Pradesh present pumicite quartz quartzites river rock phosphate samples sandstones scarp sediments seen shales silica silicified Siwalik Siwalik rocks snout soil structure Sukinda Surv Survey of India syncline TABLE Tadpatri thick thin tourmaline types ultrabasic ultrabasic rocks unconformity Upper valley veins Vempalle Vindhyan system volcanic wall rocks zone