publication . Article . 2014

Complex rift geometries resulting from inheritance of pre-existing structures: Insights and regional implications from the Barmer Basin rift

Andrew J. Bladon; Stuart M. Clarke; Stuart D. Burley;
Open Access
  • Published: 07 Oct 2014 Journal: Journal of Structural Geology, volume 71, pages 136-154 (issn: 0191-8141, Copyright policy)
  • Publisher: Elsevier BV
  • Country: United Kingdom
Abstract
Abstract Structural studies of the Barmer Basin in Rajasthan, northwest India, demonstrate the important effect that pre-existing faults can have on the geometries of evolving fault systems at both the outcrop and basin-scale. Outcrop exposures on opposing rift margins reveal two distinct, non-coaxial extensional events. On the eastern rift margin northwest–southeast extension was accommodated on southwest- and west-striking faults that form a complex, zig-zag fault network. On the western rift margin northeast–southwest extension was accommodated on northwest-striking faults that form classical extensional geometries. Combining these outcrop studies with subsur...
Subjects
free text keywords: Geology, Structural basin, Outcrop, Extensional definition, Seismology, Geomorphology, Rift, Half-graben, GB
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publication . Article . 2014

Complex rift geometries resulting from inheritance of pre-existing structures: Insights and regional implications from the Barmer Basin rift

Andrew J. Bladon; Stuart M. Clarke; Stuart D. Burley;