The Pelona–Orocopia–Rand and related schists of southern California: A review of the best-known archive of shallow subduction on the planet

AD Chapman - International Geology Review, 2017 - Taylor & Francis
ABSTRACT The Pelona–Orocopia–Rand and related schists of southern California are an
archetypal example of an exhumed shallow subduction complex.'The schist'comprises …

Sub-magmatic arc underplating by trench and forearc materials in shallow subduction systems; A geologic perspective and implications

MN Ducea, AD Chapman - Earth-Science Reviews, 2018 - Elsevier
Sedimentary rock units originally formed in subduction trenches are often found tectonically
underplated directly below magmatic arc crustal sections along some segments of the …

[HTML][HTML] Developing an inverted Barrovian sequence; insights from monazite petrochronology

CM Mottram, CJ Warren, D Regis, NMW Roberts… - Earth and Planetary …, 2014 - Elsevier
In the Himalayan region of Sikkim, the well-developed inverted metamorphic sequence of
the Main Central Thrust (MCT) zone is folded, thus exposing several transects through the …

New constraints on the timing and character of the Laramide Orogeny and associated gold mineralization in SE California, USA

TK Cawood, A Moser, A Borsook… - GSA Bulletin, 2022 - pubs.geoscienceworld.org
The timing of deformation and associated gold mineralization in SE California, USA, is
contentious, partly due to the challenges involved with dating ductile deformation. We …

Slab flattening trigger for isotopic disturbance and magmatic flare-up in the southernmost Sierra Nevada batholith, California

AD Chapman, JB Saleeby, J Eiler - Geology, 2013 - pubs.geoscienceworld.org
Abstract The San Emigdio Schist of Southern California permits examination of partial
melting and devolatilization processes along a Late Cretaceous shallow subduction zone …

Shear zone and nappe formation by thermal softening, related stress and temperature evolution, and application to the Alps

SM Schmalholz, T Duretz - Journal of Metamorphic Geology, 2015 - Wiley Online Library
We present the results of two‐dimensional thermo‐mechanical numerical simulations of the
formation of kilometre‐scale shear zones and tectonic nappes which are generated by …

Geochemical constraints on the petrogenesis of the Salinian arc, central California: Implications for the origin of intermediate magmas

AD Chapman, MN Ducea, S Kidder, L Petrescu - Lithos, 2014 - Elsevier
Magmatic arcs are the primary locations where continental crust is distilled to an
intermediate, calc-alkaline composition. The root zones of continental arcs are thought to be …

Influence of shear heating and thermomechanical coupling on earthquake sequences and the brittle‐ductile transition

KL Allison, EM Dunham - Journal of Geophysical Research …, 2021 - Wiley Online Library
Localized frictional sliding on faults in the continental crust transitions at depth to distributed
deformation in viscous shear zones. This brittle‐ductile transition (BDT), and/or the transition …

Thermal history of the Northern Taiwanese slate belt and implications for wedge growth during the Neogene arc‐continent collision

CT Chen, YC Chan, O Beyssac, CY Lu, YG Chen… - …, 2019 - Wiley Online Library
A significant issue in the study of orogenic systems concerns the roles played by frontal and
basal accretion in the construction of orogenic wedges. These different accretion …

A dimensional analysis to quantify the thermal budget around lithospheric‐scale shear zones

S Duprat‐Oualid, P Yamato, SM Schmalholz - Terra Nova, 2015 - Wiley Online Library
The thermal evolution around shear zones is controlled by three major thermal processes:
diffusion, advection and shear heating. We present a dimensional analysis to quantify, to first …