Arid
DOI10.1016/j.catena.2006.03.013
Geomorphology, pedology and sedimentology of the Deoha/Ganga-Ghaghara Interfluve, Upper Gangetic Plains (Himalayan foreland basin) - extensional tectonic implications
Singh, Satvindar; Parkash, B.; Rao, M. S.; Arora, Manoj; Bhosle, Balaji
通讯作者Parkash, B.
来源期刊CATENA
ISSN0341-8162
EISSN1872-6887
出版年2006
卷号67期号:3页码:183-203
英文摘要

Regional mapping of soils helped to identify and map 24 soil-geomorphic units on the Deoha/Ganga-Ghaghara Interfluve in the Upper Gangetic Plains (Himalayan Foreland Basin). On the basis of luminescence ages soil-geomorphic units can be grouped into five members of a Morphostratigraphic Sequence with ages of <= 1.7 ka, 1.8-3.6 ka, 4.6-6.4 ka, 6.8-10 ka and > 10 ka. Except for two units with sandy parent material, all the members with loamy parent materials show systematic increase in the degree of soil development from Member QGMS-I to V. Major pedogenic processes are salinization, alkalinization, illuviation, calcrete development and gleying, and degradation of some micromorphological features is observed in the oldest soils.


Regional mapping and dating of soils show that the Interfluve between the Deoha/Ganga-Ghaghara rivers is bounded by longitudinal faults, along the bounding rivers. The major longitudinal faults trend N-S or NNE-SSW in the northern region; turn N-S in the central region and take easterly to SEE direction in the south, giving the Interfluve a curvilinear shape. Strike of a set of six transverse extensional normal faults changes from approximately E-W to NEE-SWW in the southernmost region of the Interfluve. Downthrown sides are to the south and to the east in northern region and western region, respectively.


Due to the activity of different segments of various transverse faults during a probably dry sub-humid to semi-arid climatic period of 105 ka, terminal fans were deposited on the downthrown blocks. Thus, role of extensional tectonics in an overall compressional regime is significant. Also, tilting of smaller blocks leading to the shifting away of large rivers seems to be an additional control on the distribution of soils and sedimentation on the Interfluve. (c) 2006 Elsevier B.V. All rights reserved.


英文关键词India Gangetic Plains terminal fans extensional neotectonics interfluve regions palaeosol assemblages
类型Article
语种英语
国家India
收录类别SCI-E
WOS记录号WOS:000242184500004
WOS关键词GANGA PLAIN ; LUMINESCENCE CHRONOLOGY ; INDIA ; SANDS ; CLIMATE ; CHANNEL ; DESERT ; SOILS ; SEGMENTATION ; SEQUENCES
WOS类目Geosciences, Multidisciplinary ; Soil Science ; Water Resources
WOS研究方向Geology ; Agriculture ; Water Resources
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/151020
作者单位(1)Indian Inst Technol, Dept Earth Sci, Roorkee 247667, Uttar Pradesh, India;(2)Natl Inst Hydrol, Roorkee 247667, Uttar Pradesh, India;(3)Indian Inst Technol, Dept Civil Engn, Roorkee 247667, Uttar Pradesh, India
推荐引用方式
GB/T 7714
Singh, Satvindar,Parkash, B.,Rao, M. S.,et al. Geomorphology, pedology and sedimentology of the Deoha/Ganga-Ghaghara Interfluve, Upper Gangetic Plains (Himalayan foreland basin) - extensional tectonic implications[J],2006,67(3):183-203.
APA Singh, Satvindar,Parkash, B.,Rao, M. S.,Arora, Manoj,&Bhosle, Balaji.(2006).Geomorphology, pedology and sedimentology of the Deoha/Ganga-Ghaghara Interfluve, Upper Gangetic Plains (Himalayan foreland basin) - extensional tectonic implications.CATENA,67(3),183-203.
MLA Singh, Satvindar,et al."Geomorphology, pedology and sedimentology of the Deoha/Ganga-Ghaghara Interfluve, Upper Gangetic Plains (Himalayan foreland basin) - extensional tectonic implications".CATENA 67.3(2006):183-203.
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