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Syndepositional deformation of the Permian Capitan reef carbonate platform, Guadalupe Mountains, New Mexico, USA by David W Hunt; William M Fitchen; Eduard Kosa is a Earth and Planetary Sciences article available to read on EtoBox.

What is Syndepositional deformation of the Permian Capitan reef carbonate platform, Guadalupe Mountains, New Mexico, USA about?

Permian shelf strata equivalent to the Capitan reef are cut by at least 13 closely spaced syndepositional dip-slip faults in Slaughter Canyon, Guadalupe Mountains, New Mexico, USA. The control of five of these faults on platform development, architecture, stratigraphy and diagenesis is revealed by an integrated stratigraphic, sedimentological and structural framework within a 500-m-wide and 200-m-high outcrop window. Here, faulting and fault-related deformation acted as a primary control on changes in thickness, facies and stratal geometry, and resulted in the local steepening, shallowing and even the reversal of dip in shelf strata. The role of primary depositional relief in controlling changes in thickness and stratal geometry was of secondary importance. The relationship between geopetal fabrics (average dip=12j towards 141j) and bedding shows that during deposition of the Yates Formation fault growth was concurrent with down-to-the-basin tilting (and rotation?) of at least 6 -8j. This tilting appears to have been the main control on the down-dip expansion of shelf strata towards the basin. A further 4 -6j of basinward tilt occurred after fault growth, during deposition of the T

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Author

David W Hunt; William M Fitchen; Eduard Kosa

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0037-0738)

Published

2003

Language

EN

Field

Earth and Planetary Sciences (Physical Sciences)