Records of the Geological Survey of India, Volume 113, Parts 2-4Government of India, 1983 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
From inside the book
Results 1-3 of 49
Page 24
... complex , an oval - shaped body covering about 26 sq km area around Sung in Meghalaya , is intrusive into Proterozoic Shillong Group . The body is zoned with partial development of ring structure . The complex consists dominantly of ...
... complex , an oval - shaped body covering about 26 sq km area around Sung in Meghalaya , is intrusive into Proterozoic Shillong Group . The body is zoned with partial development of ring structure . The complex consists dominantly of ...
Page 31
... complex . These are ( i ) the ear- liest ultramafic stage , mainly clino - and orthopyroxene rich rocks , ( ii ) melilite - pyroxene rocks , ( iii ) ijolite , ( iv ) syenite and lastly , ( v ) carbonatites . Though meli- lite - pyroxene ...
... complex . These are ( i ) the ear- liest ultramafic stage , mainly clino - and orthopyroxene rich rocks , ( ii ) melilite - pyroxene rocks , ( iii ) ijolite , ( iv ) syenite and lastly , ( v ) carbonatites . Though meli- lite - pyroxene ...
Page 62
... complex and the Tidding serpen- tinite of the Lohit Himalayas are intrusive into the enveloping metasediments and it is not necessary to invoke any thrust between them as postulated earlier to explain the tectonostratigraphic evolution ...
... complex and the Tidding serpen- tinite of the Lohit Himalayas are intrusive into the enveloping metasediments and it is not necessary to invoke any thrust between them as postulated earlier to explain the tectonostratigraphic evolution ...
Contents
A Probable Zone of Carbonatite and Fenitic Rock Association | 7 |
Quantitative Correlation of Cyclic Stratigraphic Sequences | 17 |
On the Fossiliferous Ordovician Rocks of Black Mountain | 35 |
Copyright | |
31 other sections not shown
Other editions - View all
Common terms and phrases
alkali anomaly apatite Arunachal assemblage associated axial bands Beldih belt Bhutan Bihar biotite bore holes borehole Carbonaceous carbonatite Chaibasa chert chlorite chlorite schist chromite coal seam Coarse sandstone complex contours correlation Dalma Deccan basalts deformation deposits depth developed Dhanjori district Dubrajpur Dubrajpur Formation Eastern exploration F₁ fault feldspars folds foliation fossils geochemical Geol Geological Survey Ghosh gneiss Gondwana grade grains granite gneiss grey Group Hills Himalaya host rock ijolite limestone lineation magnetite Manipur Medium sandstone metamorphism metres migmatites mineralisation minerals muscovite nepheline Northern Shear Zone occur olivine ophiolite phyllites plagioclase Plate plunging Pradesh Precambrian pyrite quartz quartzite regional rock types S₁ S₂ samples sandstone Sarkar schist schistosity sector sedimentary sequence sericite serpentinite shale sillimanite Singhbhum stratigraphic structural studies sulphide Surv Survey of India tectonic texture thickness tholeiites tion trending ultramafic upto veins volcanic