What's down there? The structures, materials and environment of deep-seated slow slip and tremor

WM Behr, R Bürgmann - Philosophical Transactions of …, 2021 - royalsocietypublishing.org
Deep-seated slow slip and tremor (SST), including slow slip events, episodic tremor and
slip, and low-frequency earthquakes, occur downdip of the seismogenic zone of numerous …

[HTML][HTML] The Cycladic Blueschist Unit of the Hellenic subduction orogen: Protracted high-pressure metamorphism, decompression and reimbrication of a diachronous …

J Glodny, U Ring - Earth-Science Reviews, 2022 - Elsevier
We discuss the assembly and tectonochronology of the Cycladic Blueschist Unit (CBU) in
the central Aegean Sea region, Greece, as a composite, subduction-related, high-pressure …

Pervasive subduction zone devolatilization recycles CO2 into the forearc

EM Stewart, JJ Ague - Nature Communications, 2020 - nature.com
The fate of subducted CO2 remains the subject of widespread disagreement, with different
models predicting either wholesale (up to 99%) decarbonation of the subducting slab or …

[HTML][HTML] Rapid, paced metamorphism of blueschists (Syros, Greece) from laser-based zoned Lu-Hf garnet chronology and LA-ICPMS trace element mapping

L Tual, MA Smit, J Cutts, E Kooijman… - Chemical …, 2022 - Elsevier
Unravelling the timing and rate of subduction-zone metamorphism and H 2 O release
requires linking time to the compositional changes of petrogenetic indicator minerals in …

[HTML][HTML] Length scales and types of heterogeneities along the deep subduction interface: Insights from exhumed rocks on Syros Island, Greece

AJ Kotowski, WM Behr - Geosphere, 2019 - pubs.geoscienceworld.org
We use structural and microstructural observations from exhumed subduction-related rocks
exposed on Syros Island (Cyclades, Greece) to provide constraints on the length scales and …

Isotopic compositions of sulfides in exhumed high‐pressure terranes: implications for sulfur cycling in subduction zones

JB Walters, AM Cruz‐Uribe… - Geochemistry …, 2019 - Wiley Online Library
Subduction is a key component of Earth's long‐term sulfur cycle; however, the mechanisms
that drive sulfur from subducting slabs remain elusive. Isotopes are a sensitive indicator of …

Insight into the early exhumation of the Cycladic Blueschist Unit, Syros, Greece: Combined application of zoned garnet geochronology, thermodynamic modeling, and …

JS Gorce, MJ Caddick, EF Baxter… - Geochemistry …, 2021 - Wiley Online Library
Constraining conditions and mechanisms of the early stages of exhumation from within
subduction zones is challenging. Although pressure, temperature, and age can be inferred …

[HTML][HTML] Consistent detachment of supracrustal rocks from a fixed subduction depth in the Cyclades

B Uunk, F Brouwer, M de Paz-Álvarez… - Earth and Planetary …, 2022 - Elsevier
While subduction zones recycle Earth's crust back into the mantle, high pressure
metamorphic rocks exposed at the surface testify to occasional crustal subduction failure …

[HTML][HTML] Lawsonite composition and zoning as tracers of subduction processes: A global review

DL Whitney, KF Fornash, P Kang, ED Ghent, L Martin… - Lithos, 2020 - Elsevier
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 …

Retrogressed lawsonite blueschists from the NW Iberian Massif: PTt constraints from thermodynamic modelling and 40Ar/39Ar geochronology

A Lopez-Carmona, J Abati, P Pitra, JKW Lee - Contributions to Mineralogy …, 2014 - Springer
Blueschist facies terranes in the Variscan Ibero-Armorican Arc are restricted to scarce and
relatively small areas. One of these examples is the Ceán Unit, which is the westernmost …