Refine your search
Collections
Co-Authors
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z All
Raiverman, V.
- Clay Mineral Distribution of Dharmsala Sediments in Northwest India
Abstract Views :187 |
PDF Views:2
Authors
Affiliations
1 Institute of Petroleum Exploration and Directorate of Geology, Oil & Natural Gas Commission, Dehra Dun, IN
1 Institute of Petroleum Exploration and Directorate of Geology, Oil & Natural Gas Commission, Dehra Dun, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 14, No 1 (1973), Pagination: 71-78Abstract
Clay mineral distribution in Dharmsala sediments over a region extending from Palampur to Mandi and Sarkaghat in northwest India was studied using standard X-ray diffractometer techniques. Lower Dharmsala sediments show uniform clay mineral distribution over the region and contain partially degraded illite and chlorite with minor amounts of kaolinite. Upper Dharmsala sediments seem to vary in clay mineralogy from one part of the region to another. They are characterized by the presence of illite, chlorite and vermiculite at Palampur-Baijnath. The clay minerals are mainly degraded illite, vermiculite and expandable mixed layers at Jogindernagar-Mandi and Rewalsar areas. Upper Dharmsala clays at Sarkaghat consist of montmorillonite, expandable mixed layers and minor amounts of highly degraded chlorite. Differences in clay mineral distribution over the region is explained here by variations in the characters of source rocks, weathering intensity, sediment transport, drainage and topography. The present findings are compatible with information obtained from paleocurrent investigalions.- Himalayan Elevation-Somnolence to Hyperactivity
Abstract Views :211 |
PDF Views:146
Authors
Affiliations
1 708 Maitri Apartment, 255 NSC Bose Road, Kolkata- 700 047, IN
1 708 Maitri Apartment, 255 NSC Bose Road, Kolkata- 700 047, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 67, No 1 (2006), Pagination: 21-26Abstract
This short note attempts to illustrate the efficacy of multiple-_Probe investigations in solving complex geological problems. The Cenozoic is the era of Alpine-Himalayan orogeny and the uplift pattern is one of long somnolence followed by brief hyperactivity. Nowhere else has this pattern been studied in greater detail than perhaps in the Himalaya. Classical stratigraphy, fossil records of flora and fauna, and sedimentologic, paleoclimatic and geomorphologic data offer sample evidence in this direction. Modern techniques of radiometric geochronology of the Himalayan crystallines also support this contention.Keywords
Himalayan Uplift, Biostratigraphy, Sedimentology, Geochronology, Pattern Recognition.- Stratigraphy, and Structure of Siwaliks in Arunachal Pradesh
Abstract Views :192 |
PDF Views:136
Authors
Affiliations
1 708, Maitri Apartments, 255, NSC Bose Road, Kolkata - 700 047, IN
2 Geological Survey of India, Tripura-Mizorarn Division, B.K. Road, Banamalipuram, Agartala-790 001, IN
1 708, Maitri Apartments, 255, NSC Bose Road, Kolkata - 700 047, IN
2 Geological Survey of India, Tripura-Mizorarn Division, B.K. Road, Banamalipuram, Agartala-790 001, IN