Abstract
Ashikule volcanic field, developed in the western Kunlun mountain of north Tibet, is composed with about 10 volcanoes, and covers a total area of about 200km2 at the average altitude around 5,000m, one of the highest volcanic field in the world. In this study, we conducted detailed field investigation of geological and geomorphological features of volcanic rocks and volcanic edifices in Ashikule basin, and compiled large-scaled geologic map of the study area for the first time. We also collected series of samples to conduct petrochemistry analysis, as well as high-precision 40Ar/39Ar geochronology study of selected lavas from Ashikule volcanic field. Finally, we refined the eruption history for the volcanic activity in the basin, which provides some new volcanological evidence for the study of tectonic evolution of the Northern Tibetan Plateau.
Supplementary material at https://doi.org/10.6084/m9.figshare.c.5227665
- © 2020 The Author(s). Published by The Geological Society of London. All rights reserved
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