Formation and dynamics of magma reservoirs

RSJ Sparks, C Annen, JD Blundy… - … of the Royal …, 2019 - royalsocietypublishing.org
The emerging concept of a magma reservoir is one in which regions containing melt extend
from the source of magma generation to the surface. The reservoir may contain regions of …

Construction and evolution of igneous bodies: Towards an integrated perspective of crustal magmatism

C Annen, JD Blundy, J Leuthold, RSJ Sparks - Lithos, 2015 - Elsevier
Field, geochronological and geophysical studies show that many igneous bodies are
emplaced incrementally, growing by accretion of successive magma sheets. The existence …

Ignimbrites to batholiths: Integrating perspectives from geological, geophysical, and geochronological data

PW Lipman, O Bachmann - Geosphere, 2015 - pubs.geoscienceworld.org
Multistage histories of incremental accumulation, fractionation, and solidification during
construction of large subvolcanic magma bodies that remained sufficiently liquid to erupt are …

Stochastic modelling of deep magmatic controls on porphyry copper deposit endowment

M Chiaradia, L Caricchi - Scientific reports, 2017 - nature.com
Porphyry deposits, our main source of copper and of significant amounts of Mo, Re and Au,
form at convergent margins in association with intermediate-felsic magmas. Although it is …

Dating the Bushveld Complex: timing of crystallization, duration of magmatism, and cooling of the world's largest layered intrusion and related rocks

JS Scoates, CJ Wall, RM Friedman, D Weis… - Journal of …, 2021 - academic.oup.com
Abstract The Paleoproterozoic Bushveld Complex, including the world's largest layered
intrusion and host to world-class stratiform chromium, platinum group element, and …

Age of the Lava Creek supereruption and magma chamber assembly at Yellowstone based on 40Ar/39Ar and U‐Pb dating of sanidine and zircon crystals

NE Matthews, JA Vazquez… - Geochemistry …, 2015 - Wiley Online Library
The last supereruption from the Yellowstone Plateau formed Yellowstone caldera and
ejected the> 1000 km3 of rhyolite that composes the Lava Creek Tuff. Tephra from the Lava …

The Stillwater Complex: integrating zircon geochronological and geochemical constraints on the age, emplacement history and crystallization of a large, open-system …

CJ Wall, JS Scoates, D Weis, RM Friedman… - Journal of …, 2018 - academic.oup.com
Abstract The Neoarchean Stillwater Complex, one of the world's largest known layered
intrusions and host to a rich platinum-group element deposit known as the JM Reef …

Warm storage for arc magmas

M Barboni, P Boehnke, AK Schmitt… - Proceedings of the …, 2016 - National Acad Sciences
Felsic magmatic systems represent the vast majority of volcanic activity that poses a threat to
human life. The tempo and magnitude of these eruptions depends on the physical …

Timescales for pluton growth, magma-chamber formation and super-eruptions

ME Van Zalinge, DF Mark, RSJ Sparks, MM Tremblay… - Nature, 2022 - nature.com
Generation of silicic magmas leads to emplacement of granite plutons, huge explosive
volcanic eruptions and physical and chemical zoning of continental and arc crust …

[HTML][HTML] Distinct magma evolution processes control the formation of porphyry Cu–Au deposits in thin and thick arcs

M Chiaradia - Earth and Planetary Science Letters, 2022 - Elsevier
Abstract Porphyry Cu–Au deposits are the major global source of copper, an essential metal
for the green transition, and a significant source of gold. They occur both in thick continental …