Records of the Geological Survey of India, Volume 136, Parts 4-7Government of India, 2001 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 121
... syenite body An elongated oval-shaped pluton of syenite composition occurs about 1 km SE of Sullia town. It extends for 750 m in an east-west direction with a maximum width of about 500 m in north-south direction (Plate-I). The syenite ...
... syenite body An elongated oval-shaped pluton of syenite composition occurs about 1 km SE of Sullia town. It extends for 750 m in an east-west direction with a maximum width of about 500 m in north-south direction (Plate-I). The syenite ...
Page 149
... syenite, olivine gabbro and pink aplitic syenite proved the existence of REE-bearing minerals associated with calcite, apatite, sphene, baryte, zircon, nepheline and iron oxide minerals in the form of silicates, oxides and rarely as ...
... syenite, olivine gabbro and pink aplitic syenite proved the existence of REE-bearing minerals associated with calcite, apatite, sphene, baryte, zircon, nepheline and iron oxide minerals in the form of silicates, oxides and rarely as ...
Page 152
... syenite. Petrochemical studies reveal that the syenitic gneiss is quartz-normative, where D.I. ranges between 80% and 95%. The late syenite intrusive is undersaturated and is nepheline normative, although no nepheline could be ...
... syenite. Petrochemical studies reveal that the syenitic gneiss is quartz-normative, where D.I. ranges between 80% and 95%. The late syenite intrusive is undersaturated and is nepheline normative, although no nepheline could be ...
Contents
EXTENDED ABSTRACTS OF PROGRESS REPORTS | 5 |
MEGHALAYA MINERAL INVESTIGATION PROJECT | 11 |
RECORDS VOLUME 136 PART5 | i |
Copyright | |
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amphibolite Andhra Pradesh anomaly auriferous bands basalt base metals basin bedrock biotite block boreholes carried charnockite clay collected comprising Construction stage geotechnical covered Cuddapah deformation delineated depth district dolerite dolomite drilling dykes east excavation exploration exposed fault feldspar field field season folds foliation Formation foundation fracture geoenvironmental geological mapping geophysical geotechnical investigation gneiss gneissic gold values grained granite granite gneiss granitoids gravity grey grouting indicated intersected intrusive joints kimberlite limestone lineaments lithounits located magnetic Meghalaya migmatite mineralised zone minerals NE-SW NNW-SSE NW-SE occur overburden pegmatite phyllite plagioclase porphyritic quartz quartz veins quartzite Rajasthan regional River rock samples sand sandstone scale schist schist belt shear zone slope soil sq km stage geotechnical investigation stream sediment strike length structural studies sulphide Supergroup surface surveys syenite Tamil Nadu tectonic thick toposheet traverse trench trending Udaipur district ultramafic village volcanics weathered width