[HTML][HTML] Lawsonite composition and zoning as tracers of subduction processes: A global review
Lawsonite is an abundant hydrous mineral in oceanic crust, sediments, and metasomatic
rocks at depths of~ 45 to 300 km in most subduction zones, but it is rarely preserved in the …
rocks at depths of~ 45 to 300 km in most subduction zones, but it is rarely preserved in the …
Boron isotope evidence for shallow fluid transfer across subduction zones by serpentinized mantle
M Scambelluri, S Tonarini - Geology, 2012 - pubs.geoscienceworld.org
Serpentinites formed by alteration of oceanic and forearc mantle are major volatile and fluid-
mobile element reservoirs for arc magmatism, though direct proof of their dominance in the …
mobile element reservoirs for arc magmatism, though direct proof of their dominance in the …
Carbonation of subduction-zone serpentinite (high-pressure ophicarbonate; Ligurian Western Alps) and implications for the deep carbon cycling
Much of the long-term carbon cycle in solid earth occurs in subduction zones, where
processes of devolatilization, partial melting of carbonated rocks, and dissolution of …
processes of devolatilization, partial melting of carbonated rocks, and dissolution of …
Petrology and trace element budgets of high-pressure peridotites indicate subduction dehydration of serpentinized mantle (Cima di Gagnone, Central Alps …
Abstract At Cima di Gagnone, garnet peridotite and chlorite harzburgite lenses within pelitic
schists and gneisses correspond to eclogite-facies breakdown products of hydrated …
schists and gneisses correspond to eclogite-facies breakdown products of hydrated …
Linking serpentinite geochemistry with tectonic evolution at the subduction plate-interface: The Voltri Massif case study (Ligurian Western Alps, Italy)
Recent geochemical work shows that subduction-zone serpentinites are repositories for fluid-
mobile elements absorbed during interaction with sediment-derived fluids. Unraveling the …
mobile elements absorbed during interaction with sediment-derived fluids. Unraveling the …
Insights on deep, accretionary subduction processes from the Sistan ophiolitic “mélange”(Eastern Iran)
The Sistan ophiolitic belt, formed by the closure of the N–S trending Sistan Ocean during
late Cretaceous times, comprises several branches and basins across a 100× 700km area …
late Cretaceous times, comprises several branches and basins across a 100× 700km area …
Cold subduction of the Neotethys: the metamorphic record from finely banded lawsonite and epidote blueschists and associated metabasalts of the Nagaland …
In this study, we have deduced the thermal history of the subducting Neotethys from its
eastern margin, using a suite of partially hydrated metabasalts from a segment of the …
eastern margin, using a suite of partially hydrated metabasalts from a segment of the …
Geochemistry of Alpine serpentinites from rifting to subduction: A view across paleogeographic domains and metamorphic grade
Serpentinites from several tectono-metamorphic units of the Western Alps were studied to
constrain their origin and tectonic setting of serpentinization. Study areas were selected to …
constrain their origin and tectonic setting of serpentinization. Study areas were selected to …
Formation and evolution of a subduction-related mélange: The example of the Rocca Canavese Thrust Sheets (Western Alps)
Abstract In the Sesia-Lanzo Zone, Western Alps, the Rocca Canavese Thrust Sheets (RCT)
subunit is characterized by a mixture of mantle-and crust-derived lithologies, such as …
subunit is characterized by a mixture of mantle-and crust-derived lithologies, such as …
Metamorphic facies and deformation fabrics diagnostic of subduction: Insights from 2D numerical models
We developed a 2D numerical model that simulates the evolution of a subduction in order to
analyze which different metamorphic facies and deformation fabrics can be recorded within …
analyze which different metamorphic facies and deformation fabrics can be recorded within …