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 …

The role of quartz cementation in the seismic cycle: A critical review

RT Williams, Å Fagereng - Reviews of Geophysics, 2022 - Wiley Online Library
Because quartz veins are common in fault zones exhumed from earthquake nucleation
temperatures (150° C–350° C), quartz cementation may be an important mechanism of …

Progressive spatial and temporal evolution of tectonic triggers and metasomatized mantle lithosphere sources for orogenic gold mineralization in a Triassic …

H Zhao, Q Wang, DI Groves, J Deng - GSA Bulletin, 2021 - pubs.geoscienceworld.org
Whether orogenic gold deposits formed from crustal or subcrustal sources is debated, and
their link to orogenic processes is ambiguous. Gold mineralization in the Triassic East …

Megathrust shear modulated by albite metasomatism in subduction mélanges

K Ujiie, K Noro, N Shigematsu… - Geochemistry …, 2022 - Wiley Online Library
Aseismic megathrust slip downdip of the seismogenic zone is accommodated by either
steady creep or episodic slow slip events (SSEs). However, the geological conditions …

Embrittlement within viscous shear zones across the base of the subduction thrust seismogenic zone

CJ Tulley, Å Fagereng, K Ujiie… - Geochemistry …, 2022 - Wiley Online Library
Geophysical observations indicate that patches of localized fracturing occur within otherwise
viscous regions of subduction plate boundaries. These observations place uncertainty on …

Metasomatized mantle lithosphere and altered ocean crust as a fluid source for orogenic gold deposits

H Zhao, Q Wang, MA Kendrick, DI Groves, T Fan… - … et Cosmochimica Acta, 2022 - Elsevier
Whether auriferous hydrothermal fluid is generated during crustal metamorphism or by
subcrustal processes to form orogenic gold deposits is hotly debated. Noble gas isotope and …

Fault‐valve instability: A mechanism for slow slip events

S Ozawa, Y Yang, EM Dunham - Journal of Geophysical …, 2024 - Wiley Online Library
Geophysical and geological studies provide evidence for cyclic changes in fault‐zone pore
fluid pressure that synchronize with or at least modulate slip events. A hypothesized …

Quartz vein geochemistry records deformation processes in convergent zones

H Raimbourg, K Rajič, B Moris‐Muttoni… - Geochemistry …, 2021 - Wiley Online Library
In several examples of subduction zones, we compared pairs of quartz veins formed either
at the lower temperatures of the seismogenic zone (260° C or below), or at the higher …

Frictional strength and frictional instability of glaucophane gouges at blueschist temperatures support diverse modes of fault slip from slow slip events to moderate …

M An, F Zhang, ZY Yin, R Huang… - Journal of …, 2024 - Wiley Online Library
Fluid overpressure from the water released by subducted sediments and oceanic crust is an
important mechanism for generating earthquakes via brittle failure and frictional instability. If …

Effects of episodic slow slip on seismicity and stress near a subduction-zone megathrust

S Kita, H Houston, S Yabe, S Tanaka, Y Asano… - Nature …, 2021 - nature.com
Slow slip phenomena deep in subduction zones reveal cyclic processes downdip of locked
megathrusts. Here we analyze seismicity within a subducting oceanic slab, spanning~ 50 …