Distribution of porphyry deposits in the Eurasian continent and their corresponding tectonic settings

J. Mao, Franco Pirajno, B. Lehmann, M. Luo, A.P. Berzina

Research output: Contribution to journalArticle

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Abstract

In the Eurasian continent there are three huge metallogenic belts of Cu and Mo porphyry deposits, comprising the Paleozoic Central Asian Ore Belt in the north, the Tethyan Eurasian Ore Belt of Jurassic to Cenozoic age in the southwest, and the East Margin Ore Belt of the Eurasian Continent of Jurassic to Cretaceous age in the east. The latter is considered to be part of the vast Circum-Pacific ore belt. Some of the main features of the spatial-temporal distribution of Cu and Mo porphyry systems and related geodynamic processes of the three metallogenic belts are described. In particular, the key role of post-subduction - related porphyry ore systems is emphasized, comprising collisional and post-collisional Cu-Mo porphyry deposits during the geological history of the Eurasian continent. The recurrent feature of these ore systems and related felsic rocks is their derivation from partial melting of stagnant or residual oceanic slabs, and mixing with a variable amount of crustal material during magma ascent to shallower levels. © 2013 .
Original languageEnglish
Pages (from-to)576-584
JournalJournal of Asian Earth Sciences
Volume79
Issue numberPart B
DOIs
Publication statusPublished - 2014

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porphyry
tectonic setting
Jurassic
felsic rock
temporal distribution
geodynamics
partial melting
ore
continent
distribution
slab
subduction
Paleozoic
magma
Cretaceous
history

Cite this

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title = "Distribution of porphyry deposits in the Eurasian continent and their corresponding tectonic settings",
abstract = "In the Eurasian continent there are three huge metallogenic belts of Cu and Mo porphyry deposits, comprising the Paleozoic Central Asian Ore Belt in the north, the Tethyan Eurasian Ore Belt of Jurassic to Cenozoic age in the southwest, and the East Margin Ore Belt of the Eurasian Continent of Jurassic to Cretaceous age in the east. The latter is considered to be part of the vast Circum-Pacific ore belt. Some of the main features of the spatial-temporal distribution of Cu and Mo porphyry systems and related geodynamic processes of the three metallogenic belts are described. In particular, the key role of post-subduction - related porphyry ore systems is emphasized, comprising collisional and post-collisional Cu-Mo porphyry deposits during the geological history of the Eurasian continent. The recurrent feature of these ore systems and related felsic rocks is their derivation from partial melting of stagnant or residual oceanic slabs, and mixing with a variable amount of crustal material during magma ascent to shallower levels. {\circledC} 2013 .",
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Distribution of porphyry deposits in the Eurasian continent and their corresponding tectonic settings. / Mao, J.; Pirajno, Franco; Lehmann, B.; Luo, M.; Berzina, A.P.

In: Journal of Asian Earth Sciences, Vol. 79, No. Part B, 2014, p. 576-584.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Distribution of porphyry deposits in the Eurasian continent and their corresponding tectonic settings

AU - Mao, J.

AU - Pirajno, Franco

AU - Lehmann, B.

AU - Luo, M.

AU - Berzina, A.P.

PY - 2014

Y1 - 2014

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AB - In the Eurasian continent there are three huge metallogenic belts of Cu and Mo porphyry deposits, comprising the Paleozoic Central Asian Ore Belt in the north, the Tethyan Eurasian Ore Belt of Jurassic to Cenozoic age in the southwest, and the East Margin Ore Belt of the Eurasian Continent of Jurassic to Cretaceous age in the east. The latter is considered to be part of the vast Circum-Pacific ore belt. Some of the main features of the spatial-temporal distribution of Cu and Mo porphyry systems and related geodynamic processes of the three metallogenic belts are described. In particular, the key role of post-subduction - related porphyry ore systems is emphasized, comprising collisional and post-collisional Cu-Mo porphyry deposits during the geological history of the Eurasian continent. The recurrent feature of these ore systems and related felsic rocks is their derivation from partial melting of stagnant or residual oceanic slabs, and mixing with a variable amount of crustal material during magma ascent to shallower levels. © 2013 .

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