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Patwardhan, A. M.
- Introduction of Wild Life Inventories in Indian Forests
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Indian Forester, Vol 84, No 2 (1958), Pagination: 121-125Abstract
No abstract- Petrographic and Geochemical Characteristics of the Kamthi and Lower Maleri Formations Adilabad and Karimnagar Dts (A.P.)
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Affiliations
1 Department of Geology, University of Poona, Pune 411 007, IN
1 Department of Geology, University of Poona, Pune 411 007, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 39, No 2 (1992), Pagination: 125-140Abstract
Upper Kamthi sandstones are distinct being unimodal, less feldspathic, texturally more mature with a dominant ferruginous cement when compared with the Lower and Middle Kamthi sandstones which are bimodal, feldspathic with abundant carbonate cement. The bimodality and textural inversion in the latter is attributed to their derivation from both metasedimentary and plutonic sources. This is also reflected in the erratic distribution of Al2O3 total iron and Na2O contents. The Yerrapalli sandstones are petrographically not very different from the Lower and Middle Kamthi sandstones, but show finer grained feldspar, abundant carbonate cement and lime pellets. The Bhimaram sand'stones, however, show lesser carbonate content and are characterized by the presence of pyrite and ferruginous cement. In general, the Yerrapalli and Bhimaram sandstones show a greater mineralogical and textural maturity than the Lower and Middle Kamthi units. The distribution of CaO shows a maxima in. the middle portion of the Lower Maleri sequence, other major elements donot show any systematic variation.Keywords
Gondwana Pranhita - Godavari Basin, Kamthi Maleri Fm.- G. R. Udas (1921-1995)
Abstract Views :161 |
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Authors
Affiliations
1 Professor of Geology, University of Poonu, Pune - 411 007, IN
1 Professor of Geology, University of Poonu, Pune - 411 007, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 45, No 3 (1995), Pagination: 367-367Abstract
No Abstract.- Seismicity Impact in Patan Taluka, District Satara, Maharashtra
Abstract Views :187 |
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Authors
Affiliations
1 Department of Geology, University of Poona, Pune - 411 007, IN
1 Department of Geology, University of Poona, Pune - 411 007, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 46, No 3 (1995), Pagination: 275-285Abstract
The continued seismicity in the Koyna region has had the maximum impact in the Patan Taluka of the Satara District in Maharashtra within 30 km radius from the epicentral region of earthquakes. The Government of Maharashtra has undertaken rehabilitation of the villages which have suffered the damage and are threatened also by the collapsing edges of the overhanging lateritic cliffs. On the M.M. intensity scale the damages suffered by the settlements and lateritic plateau would indicate an intensity between VII and VIII. A high acceleration, maximum of 0.1 g (100 cm/sec2), is inferred for the soil profiles and alluvial tracts, loose gravel colluvium, river terraces material and weathered basalts on which the settlements are located. The continued seismicity around Koyna reservoir is often referred to as "reservoir induced", but such a mechanism is considered valid only for earthquakes originating from very shallow depths. For earthquakes whose hypocenters lie far below in the basement rocks (depth >3 km), the magnitude frequency relationship (26 years period) is similar to that observed in any tectonically active regions. It seems that the seismicity is related more to the reactivation of basement faults, reflected also in the overall geomorphological features of the region.Keywords
Geomorphology, Seismicity, Satara District, Maharashtra.- Risk Assessment of Lowering of Groundwater Table Using GIS for the Qareh Aghaj Sub-Basin, Southern Iran
Abstract Views :184 |
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Authors
Affiliations
1 Department of Desert Zones Management, Agricultural College, Shiraz University, IR
2 Interdiscrplinary School (Science), University of Pune, Potdar Sankul, Pune - 411 007, IN
3 Department of Statistics, University of Pune, Pune - 41 1007, IN
1 Department of Desert Zones Management, Agricultural College, Shiraz University, IR
2 Interdiscrplinary School (Science), University of Pune, Potdar Sankul, Pune - 411 007, IN
3 Department of Statistics, University of Pune, Pune - 41 1007, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 70, No 5 (2007), Pagination: 861-872Abstract
Entire land of Southern Iran faces problems arising out of various types of land degradation of which lowering of groundwater table forms an important feature. The Qareh Aghaj sub basin, which covers the upper reaches of Mond River, has been chosen for a test assessment of the consequences of lowering of groundwater table. The various kinds of data gathered from the records and published reports of the Ministries of Agriculture and Energy of Iran have been analyzed in the GIS mode. The paper attempts at evolving a model for assessing the risk of lowering of groundwater table by considering eleven indicators of the same. The risk is related more to the irrigation activity which has led to increasing the number of wells, and groundwater overexploitation during the recent years, but some natural causes like the fluctuation in annual rainfall and hydrogeological characteristics also played a role in the recharge dynamics of the aquifers. The GIS analysis has made it possible to distinguish the areas with potential risk' from those widespread areas that showed the 'actual risk' of lowering of water table. It helped also to identify the areas which should be chosen on priority basis for remedial measures to mitigate the impact of lowering of groundwater table.Keywords
Groundwater Table, GSI, Indicators, Actual Risk, Potentlal Risk, Qareh Aghaj Basin, Southern Iran- Fe-Skarn Deposits Related to the Almoughlagh Batholith, Western Iran
Abstract Views :161 |
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Authors
Affiliations
1 Department of Geology, PO Box 465 , Lorestan University, Khorram Abad, IR
1 Department of Geology, PO Box 465 , Lorestan University, Khorram Abad, IR