Crustal magmatic controls on the formation of porphyry copper deposits
Porphyry deposits are large, low-grade metal ore bodies that are formed from hydrothermal
fluids derived from an underlying magma reservoir. They are important as major sources of …
fluids derived from an underlying magma reservoir. They are important as major sources of …
Growth of continental crust in intra-oceanic and continental-margin arc systems: Analogs for Archean systems
Earth's continental crust has grown and been recycled throughout geologic history along
convergent plate margins. The main locus of continental crustal growth is in intra-oceanic …
convergent plate margins. The main locus of continental crustal growth is in intra-oceanic …
The causes of continental arc flare ups and drivers of episodic magmatic activity in Cordilleran orogenic systems
Continental arcs in Cordilleran orogenic systems display episodic changes in magma
production rate, alternating between flare ups (70–90 km 3 km− 1 Myr− 1) and lulls (< 20 km …
production rate, alternating between flare ups (70–90 km 3 km− 1 Myr− 1) and lulls (< 20 km …
Geodynamic controls on magmatic arc migration and quiescence
GM Gianni, SP Luján - Earth-Science Reviews, 2021 - Elsevier
Reconfigurations of magmatic arcs through time have been recognized since pioneering
works, describing inland and trenchward arc migrations or magmatic shut-off lasting for …
works, describing inland and trenchward arc migrations or magmatic shut-off lasting for …
Deconstructing plate tectonic reconstructions
The evolving mosaic of tectonic plates across the surface of the Earth sets boundary
conditions for the evolution of biotic and abiotic processes and helps shape the dynamics of …
conditions for the evolution of biotic and abiotic processes and helps shape the dynamics of …
An evaluation of five models of arc volcanism
SJ Turner, CH Langmuir - Journal of Petrology, 2022 - academic.oup.com
A first-order observation of convergent margin volcanism is that continental arc
stratovolcanoes have substantially elevated incompatible element abundances and notable …
stratovolcanoes have substantially elevated incompatible element abundances and notable …
Arclogites and their role in continental evolution; part 2: relationship to batholiths and volcanoes, density and foundering, remelting and long-term storage in the …
Arclogites are eclogite-like rocks formed magmatically as ultramafic residues and cumulates
in the roots of thick arcs (Ducea et al., 2021 companion paper). They are inferred to be …
in the roots of thick arcs (Ducea et al., 2021 companion paper). They are inferred to be …
The role of subduction erosion in the generation of Andean and other convergent plate boundary arc magmas, the continental crust and mantle
CR Stern - Gondwana Research, 2020 - Elsevier
Subduction erosion, which occurs at all convergent plate boundaries associated with
magmatic arcs formed on crystalline forearc basement, is an important process for chemical …
magmatic arcs formed on crystalline forearc basement, is an important process for chemical …
Transcrustal and source processes affecting the chemical characteristics of magmas in a hyperactive volcanic zone
CRC Santa Cruz, GF Zellmer, CH Stirling… - … et Cosmochimica Acta, 2023 - Elsevier
Arc magma generation and evolution are affected by transcrustal processes, such as
assimilation and fractional crystallisation, and source processes like slab influx into the …
assimilation and fractional crystallisation, and source processes like slab influx into the …
[HTML][HTML] Generation of andesite through partial melting of basaltic metasomatites in the mantle wedge: Insight from quantitative study of Andean andesites
Continental crust in average exhibits a similar composition in both major and trace elements
to andesites along active continental margins. For this reason, andesitic magmatism above …
to andesites along active continental margins. For this reason, andesitic magmatism above …