Vertically extensive and unstable magmatic systems: a unified view of igneous processes

KV Cashman, RSJ Sparks, JD Blundy - Science, 2017 - science.org
BACKGROUND For more than 100 years, the melt-dominated magma chamber has been
central to conceptual models of volcanism and igneous processes. Over the past few …

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 …

Orogenic gold: is a genetic association with magmatism realistic?

RJ Goldfarb, I Pitcairn - Mineralium Deposita, 2023 - Springer
Many workers accept a metamorphic model for orogenic gold ore formation, where a gold-
bearing aqueous-carbonic fluid is an inherent product of devolatilization across the …

Chemical differentiation, cold storage and remobilization of magma in the Earth's crust

MD Jackson, J Blundy, RSJ Sparks - Nature, 2018 - nature.com
The formation, storage and chemical differentiation of magma in the Earth's crust is of
fundamental importance in igneous geology and volcanology. Recent data are challenging …

[HTML][HTML] Stagnant lids and mantle overturns: Implications for Archaean tectonics, magmagenesis, crustal growth, mantle evolution, and the start of plate tectonics

JH Bédard - Geoscience Frontiers, 2018 - Elsevier
The lower plate is the dominant agent in modern convergent margins characterized by
active subduction, as negatively buoyant oceanic lithosphere sinks into the asthenosphere …

Crustal magmatic controls on the formation of porphyry copper deposits

JW Park, IH Campbell, M Chiaradia, H Hao… - Nature Reviews Earth & …, 2021 - nature.com
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 …

Silicic magma reservoirs in the Earth's crust

O Bachmann, C Huber - American Mineralogist, 2016 - degruyter.com
Magma reservoirs play a key role in controlling numerous processes in planetary evolution,
including igneous differentiation and degassing, crustal construction, and volcanism. For …

Earth's earliest granitoids are crystal-rich magma reservoirs tapped by silicic eruptions

O Laurent, J Björnsen, JF Wotzlaw, S Bretscher… - Nature …, 2020 - nature.com
Granitoids of the tonalite–trondhjemite–granodiorite (TTG) series dominate Earth's earliest
continental crust. The geochemical diversity of TTGs is ascribed to several possible …

Quantifying crustal thickness over time in magmatic arcs

L Profeta, MN Ducea, JB Chapman, SR Paterson… - Scientific reports, 2015 - nature.com
We present global and regional correlations between whole-rock values of Sr/Y and La/Yb
and crustal thickness for intermediate rocks from modern subduction-related magmatic arcs …

A new clinopyroxene-liquid barometer, and implications for magma storage pressures under Icelandic rift zones

DA Neave, KD Putirka - American Mineralogist, 2017 - degruyter.com
Pressure is one of the key variables that controls magmatic phase equilibria. However,
estimating magma storage pressures from erupted products can be challenging. Various …