Palaeozoic and Pliocene tectonic evolution of the Salt Range constrained by low-temperature thermochronology

Humaad Ghani, Edward R. Sobel, Gerold Zeilinger, Johannes Glodny, Sebastian Zapata, Irum Irum

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

The Salt Range in Pakistan exposes Precambrian to Pleistocene strata outcropping along the Salt Range Thrust (SRT). To better understand the in-situ Cambrian and Pliocene tectonic evolution of the Pakistan Subhimalaya, we have conducted low-temperature thermochronological analysis using apatite (U-Th-Sm)/He and fission track dating. We combine cooling ages from different samples located along the thrust front of the SRT into a thermal model that shows two major cooling events associated with rifting and regional erosion in the Late Palaeozoic and SRT activity since the Pliocene. Our results suggest that the SRT maintained a long-term average shortening rate of ~5–6 mm/yr and a high exhumation rate above the SRT ramp since ~4 Ma.

Original languageEnglish (US)
Pages (from-to)293-305
Number of pages13
JournalTerra Nova
Volume33
Issue number3
DOIs
StatePublished - Jun 2021
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Geology

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