The Role of H2O in Subduction Zone Magmatism
Water is a key ingredient in the generation of magmas in subduction zones. This review
focuses on the role of water in the generation of magmas in the mantle wedge, the factors …
focuses on the role of water in the generation of magmas in the mantle wedge, the factors …
[HTML][HTML] Deep entrapment of buoyant magmas by orogenic tectonic stress: Its role in producing continental crust, adakites, and porphyry copper deposits
RR Loucks - Earth-Science Reviews, 2021 - Elsevier
Arc-basaltic melts of typical hydration state (≥ 2 wt% H 2 O) are buoyant relative to all
common crustal igneous rock types and may pass adiabatically from a mantle source …
common crustal igneous rock types and may pass adiabatically from a mantle source …
Crustal contributions to arc magmatism in the Andes of Central Chile
W Hildreth, S Moorbath - Contributions to mineralogy and petrology, 1988 - Springer
Fifteen andesite-dacite stratovolcanoes on the volcanic front of a single segment of the
Andean arc show along-arc changes in isotopic and elemental ratios that demonstrate large …
Andean arc show along-arc changes in isotopic and elemental ratios that demonstrate large …
Experimental investigations of the role of H2O in calc-alkaline differentiation and subduction zone magmatism
TW Sisson, TL Grove - Contributions to mineralogy and petrology, 1993 - Springer
Phase relations of natural aphyric high-alumina basalts and their intrusive equivalents were
determined through rock-melting experiments at 2 kb, H 2 O-saturated with f O 2 buffered at …
determined through rock-melting experiments at 2 kb, H 2 O-saturated with f O 2 buffered at …
High pressure experimental calibration of the olivine-orthopyroxene-spinel oxygen geobarometer: implications for the oxidation state of the upper mantle
Synthetic spinel harzburgite and lherzolite assemblages were equilibrated between 1040
and 1300° C and 0.3 to 2.7 GPa, under controlled oxygen fugacity (f O 2). f O 2 was buffered …
and 1300° C and 0.3 to 2.7 GPa, under controlled oxygen fugacity (f O 2). f O 2 was buffered …
Trace element models for mantle melting: application to volcanic arc petrogenesis
Understanding mantle melting above subduction zones requires an evaluation of the
behaviour of elements for which the mantle contribution greatly exceeds any subduction …
behaviour of elements for which the mantle contribution greatly exceeds any subduction …
Genesis of high Mg# andesites and the continental crust
PB Kelemen - Contributions to Mineralogy and Petrology, 1995 - Springer
The continental crust has an andesitic composition with high Mg/(Mg+ Fe) and Ni contents
which may be too high to have formed by differentiation of basaltic magmas. Instead, mantle …
which may be too high to have formed by differentiation of basaltic magmas. Instead, mantle …
High field strength and transition element systematics in island arc and back-arc basin basalts: evidence for multi-phase melt extraction and a depleted mantle wedge
The geochemical character of the mantle wedge in convergent margin settings is
investigated using the high field strength and transition elements Ti, Zr, V, Sc and Y in …
investigated using the high field strength and transition elements Ti, Zr, V, Sc and Y in …
Physical model of source region of subduction zone volcanics
The thermal structure of a generic subduction zone is investigated to elucidate the source
region of subduction zone volcanics. The steady state thermal field is evaluated for a model …
region of subduction zone volcanics. The steady state thermal field is evaluated for a model …
An evaluation of the global variations in the major element chemistry of arc basalts
Arc volcanoes occur at convergent margins with a wide range in subduction parameters,
and variations in these parameters might be expected to lead to variations in the chemistry …
and variations in these parameters might be expected to lead to variations in the chemistry …