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Malik, Javed N.
- Active Tectonics Astride Katrol Hill Zone, Kachchh, Western India
Abstract Views :192 |
PDF Views:4
Authors
Affiliations
1 Department of Geology, M. S. University of Baroda, Vadodara - 390 002, IN
1 Department of Geology, M. S. University of Baroda, Vadodara - 390 002, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 53, No 5 (1999), Pagination: 579-586Abstract
Katrol hills occupy the central Kachchh mainland and belong to an area of active tectonism. This area is one of the few seismically and tectonically active areas outside the Himalayan mountain belt. A longitudinal fault flanks the hills to the north (Katrol Hill Fault Scarp) and morphotectonic analysis along this hill range has confirmed that the area has undergone differential tectonic uplift. Various geomorphological criteria viz., mountain front sinuosity, faceting, facet dissection percentage of 62 fronts of two sub-areas, valley floor to valIey height ratios and concavity indices of the streams flowing due north and south of Katrol hills reflect the amount of influence of tectonic activity during Quaternary times. Pattern of seismicity in the area reveals that all the known earthquakes in this region fall more or less in the Katrol Hill Zone running E-W for about 100 km. The warping of Quaternary rocks further furnishes field evidence of tectonic activity in post Upper Pleistocene times. Morphometric analysis along with seismic pattern and geological evidences indicate that the Katrol Hill Zone continues to be tectonically active.Keywords
Neotectonics, Geomorphology, Katrol Hills, Kachchh, Gujarat.
- Modern and Historic Seismicity of Kachchh Peninsula, Western India
Abstract Views :185 |
PDF Views:176
Authors
Affiliations
1 Department of Geology, M. S. University of Baroda, Vadodara - 390 002, IN
1 Department of Geology, M. S. University of Baroda, Vadodara - 390 002, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 54, No 5 (1999), Pagination: 545-550Abstract
No Abstract.Full Text
- First Active Fault Exposure Identified along Kachchh Mainland Fault: Evidence from Trench Excavation near Lodai Village, Gujarat, Western India
Abstract Views :215 |
PDF Views:3
Authors
Affiliations
1 Department of Civil Engineering, Indian lnstltute of Technology Kanpur, Kanpur-208016, IN
2 OYO International Corporation, Rokubancho Kyodo Bldg 2F, 6 Rokubancho, Chiyoda-ku, Tokyo-102-0085, JP
1 Department of Civil Engineering, Indian lnstltute of Technology Kanpur, Kanpur-208016, IN
2 OYO International Corporation, Rokubancho Kyodo Bldg 2F, 6 Rokubancho, Chiyoda-ku, Tokyo-102-0085, JP
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 71, No 2 (2008), Pagination: 201-208Abstract
We report first ldentified active fault exposure from Kachchh region along the Kachchh Mainland Fault (KMF) other than the 1819 Allah Bund earthquake. The active fault scarps striking E-W were identified near Lodai vlilage along KMF North facing scarps with height from 10-15 m are the manifestation of the displaced alluvial fan surface along this fault. Occurrence of discontinuous linear mound ranging in height from 3-5 m aligned along the strike about 100 m north of the main scarp are suggestive of younger tectonic movement and progressive shift of tectonic activity towards north along new imbricated fault. Three low to high angle reverse fault strands (F1, F2 and F3) displacing young Quaternary deposits (late Pleistocene-Holocene?) classified as A to F unlts comprising gravel and sand-Silt facies were identifled in a trench excavated at the base of the linear mound along KMF. Our preliminary observations revealed occurrence of atleast two large magnitude earthquakes along the F3 fault, and may be older events along the F1 and F2. Latest event (Event-I) occurred along F3 after the deposition of unit B registering the displacement of -33 cm, penultimate event (Event-11) occurred after the deposition of unit C with -40 cm of displacement. The maximum displacement of about 73 cm along F3 indicates cumulative displacement accommodated during more than one event. The total displacement of -98 cm along F2 strand displacing the E and F units is the result of more than one event, and since the F2 probably displaced the unit C suggests that the movements occurred during penultimate (Event 11) and during the Event 111, older than penultimate. Displacement of Mesozoic succession during older events and unit B during the latest Event I along F1 suggests repetitive movement along this fault. The fragile nature of -3-4 m wide shear zone formed in Mesozoic rocks (shale+sandstone) also point towards repetitive tectonic movement along KMF.Keywords
Active Fault, Paleoseismic investigation, paleo-Earthquakes, Kachchh Mainland fault, Kachchh, Gujarat.- Active Fault Study along Foothill Zone of Kumaun Sub-Himalaya: Influence on Landscape Shaping and Drainage Evolution
Abstract Views :269 |
PDF Views:80
Authors
Javed N. Malik
1,
Afroz A. Shah
1,
Sambit P. Naik
1,
Santiswarup Sahoo
1,
Koji Okumura
2,
Nihar R. Patra
1
Affiliations
1 Department of Civil Engineering, Indian Institute of Technology Kanpur, Kanpur 208 016, IN
2 Department of Geography, Faculty of Letters, Hiroshima University, Higashi-Hiroshima 739-8522, JP
1 Department of Civil Engineering, Indian Institute of Technology Kanpur, Kanpur 208 016, IN
2 Department of Geography, Faculty of Letters, Hiroshima University, Higashi-Hiroshima 739-8522, JP
Source
Current Science, Vol 106, No 2 (2014), Pagination: 229-236Abstract
The Kumaun Sub-Himalaya region is one of the most active regions falling into Seismic Zone V along the Himalaya. The geomorphology and drainage patterns in the area of active faulting and related growing fold provide significant information on the ongoing tectonic activity. The Kaladungi Fault (KF), an imbricated thrust fault of the Himalayan Frontal Thrust system provides an excellent example of forward and lateral propagation of fault and related folding in both directions along the strike of the fault. The KF has displaced the distal part of the Kaladungi fan surface resulting into formation of south-facing active fault scarp with variable heights along the front. In the east, the uplifted fan surface is ∼60 m, is comparatively higher in the central part with height of ∼200 m and ∼80 m high in the west. The variation in heights along the fault is attributed to lateral propagation of fault and associated fold in both directions (i.e. east and west) from the centre. These clearly testify displacement starting at nucleation in the centre and propagating laterally in an elliptical manner. The northwest and southeast propagation of KF has resulted into diversion of the Dabka and Baur rivers respectively. A marked diversion of the modern Dabka river along its present course from east to west can be traced between Shivlalpur and Karampur towns, covering a distance of about 10-12 km. Similarly, the Baur river is shifted from west to east by about 5-6 km between Kamola and Kaladungi towns. The diversion of Dabka and Baur rivers can well be justified by the existence of palaeo-wind-gaps through which these rivers flowed earlier during the recent past. The wind-gaps are characterized by about 0.5-1.0 km wide incised valley extending in NE-SW direction between Kaladungi and Karampur along the frontal zone.Keywords
Active Fault, Fold and Thrust Belt, Lateral Propagation, River Diversion.Full Text
- Unravelling the Hidden Truth from Vigukot in the Great Rann of Kachchh, Western India by Surface and Sub-Surface Mapping
Abstract Views :251 |
PDF Views:123
Authors
Javed N. Malik
1,
Mahendrasinh S. Gadhavi
2,
Sravanthi Satuluri
3,
Saurav Kumar
3,
Santiswarup Sahoo
4,
Bhuvan Vikrama
5
Affiliations
1 Department of Earth Sciences, Indian Institute of Technology Kanpur, Kanpur 208 016, IN
2 Civil Engineering Department, L. D. College of Engineering, Ahmedabad 380 015, IN
3 Department of Civil Engineering, Indian Institute of Technology Kanpur, Kanpur 208 016, IN
4 Department of Geology, Utkal University, Vani Vihar, Bhubaneswar 751 004, IN
5 Archaeological Survey of India, Agra Circle, Agra 282 002, IN
1 Department of Earth Sciences, Indian Institute of Technology Kanpur, Kanpur 208 016, IN
2 Civil Engineering Department, L. D. College of Engineering, Ahmedabad 380 015, IN
3 Department of Civil Engineering, Indian Institute of Technology Kanpur, Kanpur 208 016, IN
4 Department of Geology, Utkal University, Vani Vihar, Bhubaneswar 751 004, IN
5 Archaeological Survey of India, Agra Circle, Agra 282 002, IN
Source
Current Science, Vol 113, No 10 (2017), Pagination: 1906-1917Abstract
The Vigukot Fort is in ruins lying along the northern fringe of the Great Rann of Kachchh, Gujarat, India This settlement is located on the left bank of the palaeochannel of the Nara river – a tributary of River Indus. We conducted Real Time Kinematics and Ground Penetrating Radar (GPR) surveys for surface and subsurface. The digital elevation model (DEM) reveals an average elevation ranging from 2 to 4 m from mean sea-level. Two elevated areas: EA1 (site 1) and EA2 (site 2) represent residential areas in the township. EA1 located on higher ground (3–4 m amsl) in the eastern portion comprised of a housing complex of larger dimensions. Two rooms with an area of 650 and 250 sq. ft respectively, possibly indicative of living rooms attached with a courtyard suggest that highranked authorities occupied this portion of the township. EA2 with low-elevation (3 m amsl) marked by a smaller residential complex may be indicative of a trade complex along the western flank of the township. On the basis of 3D GPR survey we infer two levels of settlement at EA1 and one level of settlement at EA2. EA1 remained as a residential complex as reflected from both the levels, whereas EA2 was a trading complex close to the main gateway G1. Probably two scenarios prevailed: (1) Both areas flourished likewise at the first level and might have got disturbed by an earthquake; later EA1 may have been reoccupied while EA2 was left to be an open trading complex at the second level (recent). (2) During the first level of occupancy, EA1 was probably a residential complex (having enclosed walls), and EA2 might be the trading complex (with partially enclosed walls lying opposite to G1). Both the areas were affected during the disaster, and the second level of occupancy EA1 was rebuilt and occupied, whereas EA2 was used without renovation. Moreover, the 1819 earthquake probably destroyed both the areas completely and led to their abandonment.Keywords
Ground Penetrating Radar Survey, Regression of Settlements, Surface and Subsurface Mapping.Full Text
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