Comparing the Upper Triassic Deep-sea Flysch of the Shannan Terrane with the Coeval Shallow Shelf Sediments of the Tethys Himalaya, Southern Tibet

L. I. Xianghui, Frank Mattern

نتاج البحث: المساهمة في مجلةمراجعة النظراء

3 اقتباسات (Scopus)

ملخص

The provenance and paleogeography of the Upper Triassic deep-sea flysch Langjiexue Group (LG) of the Shannan Terrane in the northeastern Himalaya orogen, south of Yarlung Zangbo, have been disputed in recent years since its affinity to the Tethys Himalaya was suspected during the early 2000s. Based on the earlier discoveries of the Upper Permian–Triassic basalts and mafic dykes from the LG and of coeval detrital zircons from the Qulonggongba Formation (QF) in shallow shelf sediments of the Tethys Himalaya, the previous viewpoints on the basin and tectonics of the LG have been recently rejected. We compared the two units of the Upper Triassic, and our results reveal a number of differences, discrepancies, and inconsistencies in the debate, raising crucial questions on the postulation and provenance model of the remote Gondwanide Orogen for the LG. It is suggested that more observations and evidence are needed to further improve the paleogeographic understanding and relationship of the two units.

اللغة الأصليةEnglish
الصفحات (من إلى)348-354
عدد الصفحات7
دوريةActa Geologica Sinica (English Edition)
مستوى الصوت95
رقم الإصدار2
المعرِّفات الرقمية للأشياء
حالة النشرPublished - أبريل 2021

ASJC Scopus subject areas

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