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Soft-sediment deformation structures from an ice-marginal storm-tide interactive system, Permo-Carboniferous Talchir Formation, Talchir Coalbasin, India
H N BHATTACHARYA, BIPLAB BHATTACHARYA
Published in ELSEVIER SCIENCE BV
2010
Volume: 223
   
Issue: 43558
Pages: 380 - 389
Abstract
Permo-Carboniferous Talchir Formation, Talchir Coalbasin, India, records sedimentation during a phase of climatic amelioration in an ice-marginal storm-affected shelf. Evidences of subtidal processes are preserved only under thick mud drapes deposited during waning storm phases. Various soft-sediment deformation structures in some sandstone/siltstone-mudstone interbeds, like syn-sedimentary faults, deformed laminations, sand-silt flows, convolute laminations and various flame structures, suggest liquefaction and fluidization of the beds due to passage of syn-depositional seismic shocks. In the Late Paleozoic ice-marginal shelf, such earthquake tremors could be generated by crustal movements in response to glacioisostatic adjustments of the basin floor. (C) 2009 Elsevier B.V. All rights reserved.
About the journal
JournalData powered by TypesetSedimentary Geology
PublisherData powered by TypesetELSEVIER SCIENCE BV
ISSN0037-0738