Local bulk composition effects on metamorphic mineral assemblages

P Lanari, M Engi - Reviews in Mineralogy and …, 2017 - pubs.geoscienceworld.org
Plate tectonic forcing leads to changes in the physical conditions that affect the lithosphere.
In response to such changes, notably the local temperature (T) and pressure (P), rocks …

Internal and external fluid sources for eclogite-facies veins in the Monviso meta-ophiolite, Western Alps: implications for fluid flow in subduction zones

C Spandler, T Pettke, D Rubatto - Journal of Petrology, 2011 - academic.oup.com
To contribute to our understanding of the mechanisms and pathways of fluid movement
through deeply subducted crust, we investigate high-pressure veins cutting eclogite-facies …

Progress in linking accessory mineral growth and breakdown to major mineral evolution in metamorphic rocks: A thermodynamic approach in the Na2O‐CaO‐K2O …

DE Kelsey, R Powell - Journal of Metamorphic Geology, 2011 - Wiley Online Library
Abstract Activity‐composition (a–x) models have been generated for zirconium‐bearing
haplogranitic silicate melt and garnet from experimental data on zircon dissolution and …

Different origins of garnet in high pressure to ultrahigh pressure metamorphic rocks

QX **a, LG Zhou - Journal of Asian Earth Sciences, 2017 - Elsevier
Garnet in high-pressure (HP) to ultrahigh-pressure (UHP) metamorphic rocks in subduction
zone commonly shows considerable zonation in major and trace elements as well as …

Eclogitization of the Monviso ophiolite (W. Alps) and implications on subduction dynamics

S Angiboust, R Langdon, P Agard… - Journal of …, 2012 - Wiley Online Library
Abstract To constrain deep (40–100 km) subduction dynamics, extensive P–T data are
provided on the eclogitic Monviso ophiolite derived from the subducted Liguro‐Piemontese …

Coupled Lu–Hf and Sm–Nd geochronology constrains garnet growth in ultra‐high‐pressure eclogites from the Dabie orogen

H Cheng, RL King, E Nakamura… - Journal of …, 2008 - Wiley Online Library
Ultra‐high‐pressure eclogites from the Dabie orogen that formed over a range in
temperatures (∼ 600 to> 700° C) have been investigated with combined Lu–Hf and Sm–Nd …

[PDF][PDF] Deeply subducted continental fragments: I. Fracturing, dissolution-precipitation and diffusion processes recorded by garnet textures of the central Sesia Zone …

F Giuntoli, P Lanari, M Engi - Solid Earth, 2018 - se.copernicus.org
Contiguous continental high-pressure terranes in orogens offer insight into deep recycling
and transformation processes that occur in subduction zones. These remain poorly …

Intermediate-depth brecciation along the subduction plate interface (Monviso eclogite, W. Alps)

M Locatelli, A Verlaguet, P Agard, L Federico… - Lithos, 2018 - Elsevier
The Monviso meta-ophiolite complex (Northern Italy, Western Alps) represents an almost
intact fragment of Tethyan oceanic lithosphere metamorphosed at~ 80 km depth (~ 2.6 GPa …

Transitional time of oceanic to continental subduction in the Dabie orogen: constraints from U–Pb, Lu–Hf, Sm–Nd and Ar–Ar multichronometric dating

H Cheng, RL King, E Nakamura, JD Vervoort… - Lithos, 2009 - Elsevier
We investigated the oceanic-type **ongdian high-pressure eclogites in the western part of
the Dabie orogen with combined U–Pb, Lu–Hf, Sm–Nd and Ar–Ar geochronology. Three …

Tracking garnet dissolution kinetics in 3D using deep learning grain shape classification

P Hartmeier, P Lanari, JB Forshaw… - Journal of …, 2024 - academic.oup.com
The kinetics of fluid-driven metamorphic reactions are challenging to study in nature
because of the tendency of metamorphic systems to converge towards chemical equilibrium …