Drainage development in Achankovil Shear Zone, South India

被引：0
|
作者：
Dhanya, V. [1 ]
Renoy, G.
机构：
[1] NCESS, Thiruvananthapuram 695011, Kerala, India
来源：
CURRENT SCIENCE | 2015年 / 108卷 / 06期
关键词：
Antecedent river; palaeo strand lines; shear zone; structural valley; HIGH-GRADE ROCKS; KERALA; TECTONICS; EVOLUTION; GEOLOGY; BASIN;
D O I：
暂无
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
The WNW-ESE trending Achankovil Shear Zone (ASZ) in southern India is a major crustal discontinuity of Proterozoic age which separates Kerala Khondalite Belt (KKB) in the south from the Charnockite massif in the north. The Achankovil river drains this structural valley. Although the river bears imprints of various geologic events, including neotectonic activities, it could maintain a straight course even in the lowland indicating its antecedent nature. The present communication is an attempt to study structural controls on drainage development and evolution within ASZ based mostly on geomorphological evidences and also on some geological indicators.
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收藏
页码：1151 / 1157
页数：8
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