Evidence for 40–41 km of dextral slip on the southern Death Valley fault: Implications for the Eastern California shear zone and extensional tectonics | Zendy

Terry L. Pavlis | Zendy; Ghislain Trullenque | Zendy

Open Access

Evidence for 40–41 km of dextral slip on the southern Death Valley fault: Implications for the Eastern California shear zone and extensional tectonics

Author(s) -

Terry L. Pavlis,

Ghislain Trullenque

Publication year - 2021

Publication title -

geology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.609

H-Index - 215

eISSN - 1943-2682

pISSN - 0091-7613

DOI - 10.1130/g48528.1

Subject(s) - sinistral and dextral , geology , transtension , strike slip tectonics , seismology , neogene , extensional definition , shear zone , shear (geology) , tectonics , fault (geology) , slip (aerodynamics) , paleontology , structural basin , physics , thermodynamics

Recognition of a pair of pre-Neogene markers together with analysis of published data indicate ~40 km of dextral slip across the southern Death Valley fault zone, California, USA. Stratigraphic overlaps on fault rocks indicate much of the dextral slip predates the late Miocene, placing a significant fraction of the dextral slip in the same time window as regional extension and challenging interpretations that the modern strike-slip system became active post–6–3 Ma. However, these results are consistent with regional evidence that dextral transtension began by ca. 12 Ma.

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