Structural framework, protolith affinity, and P-T-t-D evolution of the metasediments exposed in the Lalong dome, eastern Himalaya: Evidence of the upper South Tibetan detachment system in the northern Himalaya

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Field observations reveal Barrovian and Buchan-type metamorphism in the Lalong dome, indicating its complex geological evolution.

Metamorphic conditions linked to detrital zircon dating confirm complex P-T-t-D paths.
Observation shows Barrovian-type metamorphism overprinted by Buchan-type metamorphism in the Lalong dome.
The analysis utilizes U-Th-Pb geochronology and structural kinematics to explore the dome's history.
Findings highlight the role of the upper South Tibetan detachment system in the Lalong dome's formation.

Hou et al. (2025) studied this question.

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