Records of the Geological Survey of India, Volume 105, Part 2Geological Survey of India, 1973 - 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. |
From inside the book
Results 1-3 of 63
Page 114
... present area may be due to the fact that they represent an early stage of magmatic evolution , as Cu , Ni , Co and even Zn are present in good amount in rocks corresponding to the later stages of norite crystallisation ( Goldschmidt ...
... present area may be due to the fact that they represent an early stage of magmatic evolution , as Cu , Ni , Co and even Zn are present in good amount in rocks corresponding to the later stages of norite crystallisation ( Goldschmidt ...
Page 123
... present , generally forming a reaction rim around biotite phenocrysts . In the lamprophyre occurring west of Rongbu the pyroxene needles are of aegirine - augite . Small euhedral crystals of biotite are present . The alkaline nature of ...
... present , generally forming a reaction rim around biotite phenocrysts . In the lamprophyre occurring west of Rongbu the pyroxene needles are of aegirine - augite . Small euhedral crystals of biotite are present . The alkaline nature of ...
Page 206
... present specimen is represented as an impression and is identified as Thinnfeldia . As the cuticles are not present it is difficult to distinguish the genus from Dicroidium . In fact most of the Indian specimens of Thinnfeldia are based ...
... present specimen is represented as an impression and is identified as Thinnfeldia . As the cuticles are not present it is difficult to distinguish the genus from Dicroidium . In fact most of the Indian specimens of Thinnfeldia are based ...
Contents
RECORDS | 2 |
The Geology and Mineral Resources of the Andaman | 25 |
Geology of the Coal Measures in the Deccan Trap region | 69 |
Copyright | |
16 other sections not shown
Other editions - View all
Common terms and phrases
80 mesh amphibolites analysed Andaman island anorthosites apatite bands Baraganda Baratang Baratang island basaltic basin beds Bihar biotite Bramlette and Riedel calc-granulite calcareous calcite carbonate Carboniferous charnockites chemical clay coal coalfield coalseams conglomerate copper Deflandre deposit Discoaster district endothermic endothermic peak Eocene estherids fauna felspar figs folds foliation Formation fossil gabbro Gangamopteris garnetiferous geochemical Geol Geological Survey glacier gneisses Gondwana grains granitic gray graywacke hill INDIA Records indicate khondalites Krol limestone lodes Lower margins metadolerite metal Middle Andaman mineral mineralisation Mussoorie Nala occur Orissa orthopyroxene oxides para-amphibolite Permian phosphate phosphorite pinnules plagioclase Plate present pyroxene quartz quartzite rocks samples sandstone schist sedimentary sediments shales shear shows siltstone snout South Andaman Stradner strike length Surv Survey of India thickness Thinnfeldia tion tonnes trace element ultrabasic upto valley varies veins younger ortho-amphibolite Zemu glacier zone