Records of the Geological Survey of India, Volume 108, Part 2The Survey, 1977 - Earthquakes Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals. |
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Page 74
... plagioclase laths and wedge shaped plagioclase phenocrysts , either partially or completely ( Plate 22 , Fig . C ) . Groundmass exhibits a variety of textures in different flows , as well as in parts of the same flow , often showing a ...
... plagioclase laths and wedge shaped plagioclase phenocrysts , either partially or completely ( Plate 22 , Fig . C ) . Groundmass exhibits a variety of textures in different flows , as well as in parts of the same flow , often showing a ...
Page 75
... plagioclase phenocrysts . Clinopyroxene phenocrysts commonly occur as sub - hedral prisms and plates . Some of the phenocrysts , especially in the glomeroporphyritic aggregates , show rounded crystal outline . Well formed prismatic ...
... plagioclase phenocrysts . Clinopyroxene phenocrysts commonly occur as sub - hedral prisms and plates . Some of the phenocrysts , especially in the glomeroporphyritic aggregates , show rounded crystal outline . Well formed prismatic ...
Page 87
... plagioclase felspar and augite set in an intergranular groundmass of laths of plagioclase felspar , grains of augite and opaque ore . Note the bow - tie shaped plagioclase crystal ophitically enclosed by pyroxene phenocrysts . A ...
... plagioclase felspar and augite set in an intergranular groundmass of laths of plagioclase felspar , grains of augite and opaque ore . Note the bow - tie shaped plagioclase crystal ophitically enclosed by pyroxene phenocrysts . A ...
Contents
OF | 1 |
On the leadzinc mineralisation around Kushbani Purulia district | 36 |
Eocene ostracoda from Kolayatji area Rajasthan by V D Mamgain | 42 |
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Amboli Amilia Aravalli Bandal granite bands Barakar basalt flows belt biotite brachiopod brown carbonatite Champaner chloritic Chorhoti clay clinopyroxene coal seams coalfield collapse conglomerate cracks crinoid Deccan Basalt Deccan Traps deposits Dhauli diamonds district earthquake epicentre exposed fault fauna felspar fibrolite folding formations fossils Gansser Geol Geological Survey Ghat Section gneisses grained granite granitisation greenish grey groundmass Haora river HIGHLY PORPHYRITIC Himalayas horizon isoseismal Karewa Kashmir kimberlite kutcha kutcha-pucca lava limestone lower Mahabaleshwar Main sub-basin metamorphism metres minerals Moher sub-basin Muth Quartzite Niti Pass nodules occur olivine Ordovician outcrops pahoehoe Permian phenocrysts phyllites plagioclase Plate PORPHYRITIC Pradesh Purewa quartz quartzite RED BOLE BED river rocks sandstone schists sediments seen sequence shales shock Spiti storeyed stratigraphic structures Survey of India tectonic thickness thin trend Triassic ultrabasic Upper upto valley vertical vesicles vesicular village ZEOLITIC zone