Arid
DOI10.1007/BF02702039
Bedrock gorges in the central mainland Kachchh: Implications for landscape evolution
Thakkar, MG; Goyal, B; Patidar, AK; Maurya, DM; Chamyal, LS
通讯作者Chamyal, LS
来源期刊JOURNAL OF EARTH SYSTEM SCIENCE
ISSN0253-4126
EISSN0973-774X
出版年2006
卷号115期号:2页码:249-256
英文摘要

Kachchh possesses a fault-controlled first-order topography and several geomorphic features indicative of active tectonics. Though coseismic neotectonic activity is believed to be the major factor in the evolution of the landscape, detailed documentation and analysis of vital landscape features like drainage characteristics, bedrock gorges and terraces are lacking. The present study is a site-specific documentation of gorges developed in the central part of the mainland Kachchh. We analyzed and interpreted four gorges occurring on either side of Katrol Hill Fault (KHF). The Khari river gorge is endowed with six levels of bedrock terraces, some of which are studded with large potholes and flutings. Since no active development of potholes is observed along the rivers in the present day hyper-arid conditions, we infer an obvious linkage of gorges to the humid phases, which provided high energy runoff for the formation of gorges and distinct bedrock terraces and associated erosional features. Development of gorges within the miliolites and incision in the fluvial deposits to the south of the KHF indicates that the gorges were formed during Early Holocene. However, ubiquitous occurrence of gorges along the streams to the south of KHF, the uniformly N40 degrees E trend of the gorges, their close association with transverse faults and the short length of the exceptionally well developed Khari river gorge in the low-relief rocky plain to the north of KHF suggests an important role of neotectonic movements.


英文关键词bedrock gorges rocky terraces potholes tectonic uplift landscape evolution Kachchh
类型Article
语种英语
国家India
收录类别SCI-E
WOS记录号WOS:000237067500007
WOS关键词WESTERN INDIA ; INCISION ; KUTCH
WOS类目Geosciences, Multidisciplinary ; Multidisciplinary Sciences
WOS研究方向Geology ; Science & Technology - Other Topics
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/152090
作者单位(1)Maharaja Sayajirao Univ Baroda, Dept Geol, Vadodara 390002, India;(2)RR Lalan Coll, Dept Geol, Bhuj 370001, Kachchh, India
推荐引用方式
GB/T 7714
Thakkar, MG,Goyal, B,Patidar, AK,et al. Bedrock gorges in the central mainland Kachchh: Implications for landscape evolution[J],2006,115(2):249-256.
APA Thakkar, MG,Goyal, B,Patidar, AK,Maurya, DM,&Chamyal, LS.(2006).Bedrock gorges in the central mainland Kachchh: Implications for landscape evolution.JOURNAL OF EARTH SYSTEM SCIENCE,115(2),249-256.
MLA Thakkar, MG,et al."Bedrock gorges in the central mainland Kachchh: Implications for landscape evolution".JOURNAL OF EARTH SYSTEM SCIENCE 115.2(2006):249-256.
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