Subsurface configuration of the Orleans fault: implications for deformation in the western Klamath Mountains, California ( USA).

R. C. Jachens, C. G. Barnes, M. M. Donato

Research output: Contribution to journalArticle

20 Scopus citations

Abstract

Geologic and geophysical evidence from W Klamath Mountains, California, provides quantitative information on the shape and regional subsurface extent of the Orleans fault. The regional extent of the juxtaposition of different units across the fault implies a minimum horizontal displacement of 110 km due to westward overthrusting. The fault cuts the Wooley Creek batholith, which indicates that thrusting took place after intrusion at 163 + or - 3 Ma. The shape of the fault near Condrey Mountain is consistent with post-thrusting Neogene uplift of the Condrey Mountain dome and suggests a minimum of 6 km of differential uplift. -from Authors

Original languageEnglish
Pages (from-to)388-395
Number of pages8
JournalGeological Society of America Bulletin
Volume97
Issue number4
DOIs
StatePublished - 1986

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