Records of the Geological Survey of India, Volume 115, Part 5The Survey, 1986 - 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 83
... limits Fixing of widthwise ore limits at each sampling point is the first step in demarcating ore boundaries in the underground workings . Once the widthwise ore limits are fixed connecting up one sampling point to the next and so on is ...
... limits Fixing of widthwise ore limits at each sampling point is the first step in demarcating ore boundaries in the underground workings . Once the widthwise ore limits are fixed connecting up one sampling point to the next and so on is ...
Page 84
... limits may lie outside the width sampled . To expose the actual ore limits in this case and in similar cases that follow it may be necessary to carry out stripping , crosscutting or diamond drilling . However , the average grade is ...
... limits may lie outside the width sampled . To expose the actual ore limits in this case and in similar cases that follow it may be necessary to carry out stripping , crosscutting or diamond drilling . However , the average grade is ...
Page 88
... limits in the field not only lengthwise as at present but also widthwise . The lengthwise ore limits would then depend on widthwise averages calculated at a specific cut - off and minimum stoping width rather than for the entire width ...
... limits in the field not only lengthwise as at present but also widthwise . The lengthwise ore limits would then depend on widthwise averages calculated at a specific cut - off and minimum stoping width rather than for the entire width ...
Contents
Records | 1 |
Lithostratigraphy of Cretaceous and Palaeocene Rocks of Tiruchirapalli district Tamil Nadu South India R Sundaram and P S Rao | 9 |
The Pyroxene Granulite Khondalite Charnockite and Gneiss of Keralatheir interrelationship P V Sukumaran M Senthiappan and A R Nambiar | 24 |
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alluvial Anaipadi Andhra Pradesh Ariyalur Ariyalur Group average grade Bandar basin beach ridges beds biotite biotite gneiss boundaries carbon caves channel charnockite clay coast coastal conglomerate Cretaceous Cuddapah cut-off cyclonic storm deltaic deposits developed dibba dissected pediment district Divi drainage dunes dykes flood garnet Geol Geological Survey gneiss gold field grained granite granulite grey groundwater hornblende hornblende gneiss Island Karai Kerala Khalassi khondalite kimberlite Krishna Kunnam Kurnool lamproites land landforms laterite limestone lineaments lode lower Machilipatnam mangrove Maruvattur Masula metres migmatisation migmatitic mineral minimum stoping width Nellore occur olivine oreshoot peridotite phlogopite planation pyroxene pyroxene granulite quartz river sample sandstone Sastry sediments serpentinised shale Sillakkudi silt slope soil southern stylolites sub-basin surface Surv Survey of India taluk tectonic texture tidal flats tidal waves Tiruppattur Trichinopoly Trichinopoly Group Unconformity upper Ursus Uttattur Group Vajrakarur values vegetation widthwise averages xenoliths zone