Mechanisms to generate ultrahigh-temperature metamorphism

S Jiao, M Brown, RN Mitchell, P Chowdhury… - Nature Reviews Earth & …, 2023 - nature.com
Ultrahigh-temperature (UHT; T max≥ 900° C) metamorphism requires unusually high heat
in continental crust at depths of 15–55 km, but how such extreme thermal conditions are …

On ultrahigh-temperature crustal metamorphism

DE Kelsey - Gondwana Research, 2008 - Elsevier
Ultrahigh-temperature (UHT) metamorphism is the most thermally extreme type of crustal
metamorphism, with the crust capable of withstanding temperatures≥ 900° C. Mineral …

[HTML][HTML] On ultrahigh temperature crustal metamorphism: Phase equilibria, trace element thermometry, bulk composition, heat sources, timescales and tectonic …

DE Kelsey, M Hand - Geoscience Frontiers, 2015 - Elsevier
Ultrahigh temperature (UHT) metamorphism is the most thermally extreme form of regional
crustal metamorphism, with temperatures exceeding 900° C. UHT crustal metamorphism is …

On the occurrence and characterization of ultrahigh-temperature crustal metamorphism

SL Harley - Geological Society, London, Special Publications, 1998 - lyellcollection.org
Ultrahigh-temperature (UHT) crustal metamorphism is a division of medium-pressure
granulite facies metamorphism where peak temperatures of 900–1100° C have been …

Refining the P–T records of UHT crustal metamorphism

SL Harley - Journal of metamorphic Geology, 2008 - Wiley Online Library
Abstract Ultra‐high‐temperature (UHT) metamorphism occurs when the continental crust is
subjected to temperatures of greater than 900° C at depths of 20–40 km. UHT …

The thermal history of the Eastern Ghats Belt (India) as revealed by U–Pb and 40Ar/39Ar dating of metamorphic and magmatic minerals: implications for the SWEAT …

K Mezger, MA Cosca - Precambrian Research, 1999 - Elsevier
The Eastern Ghats belt is a large high-grade terrane exposed along the east coast of India.
The late Proterozoic orogen consists of N–S trending charnockite and metasedimentary …

Tectonic evolution of the Eastern Ghats belt, India

S Dasgupta, S Bose, K Das - Precambrian Research, 2013 - Elsevier
We present possible tectonic models for two crustal domains of the Proterozoic Eastern
Ghats Belt, India based on recent petrological, geophysical and geochronological data …

Osumilite–melt interactions in ultrahigh temperature granulites: phase equilibria modelling and implications for the P–T–t evolution of the Eastern Ghats Province …

FJ Korhonen, M Brown, C Clark… - Journal of …, 2013 - Wiley Online Library
The exposed residual crust in the Eastern Ghats Province records ultrahigh temperature
(UHT) metamorphic conditions involving extensive crustal anatexis and melt loss. However …

How long-lived is ultrahigh temperature (UHT) metamorphism? Constraints from zircon and monazite geochronology in the Eastern Ghats orogenic belt, India

FJ Korhonen, C Clark, M Brown, S Bhattacharya… - Precambrian …, 2013 - Elsevier
Along the coast of Peninsular India, the Eastern Ghats expose a deep crustal section
through a composite Proterozoic orogenic belt. To quantify the late Mesoproterozoic–early …

India-Antarctica-Australia-Laurentia connection in the Paleoproterozoic–Mesoproterozoic revisited: Evidence from new zircon U-Pb and monazite chemical age data …

S Bose, DJ Dunkley, S Dasgupta, K Das… - …, 2011 - pubs.geoscienceworld.org
We present zircon and monazite U-Pb data from ultrahigh-temperature (UHT)
metamorphosed orthogneisses and paragneisses collected from key areas of the Eastern …