Reassessing metamorphic core complexes in the North American Cordillera

AV Zuza, G Jepson, W Cao - Earth-Science Reviews, 2024 - Elsevier
Continental metamorphic core complexes (MCCs) are widely distributed on Earth, primarily
exposed at convergent plate margins. These structural systems involve the exhumation of …

Oligocene‐Miocene exhumation of the Pinaleño metamorphic core complex, southeastern Arizona: Support for magmatism and plate margin reorganization as …

JB Chapman, SH Scoggin, G Jepson, JW Ricketts… - …, 2024 - Wiley Online Library
Abstract The Pinaleño Mountains of southeastern Arizona is the eastern‐most metamorphic
core complex in the southern US and northern Mexican Cordillera. This study investigates …

Paleogene mid-crustal intrusions in the Ruby Mountains–East Humboldt Range metamorphic core complex, northeastern Nevada, USA

AW Snoke, CG Barnes, KA Howard… - …, 2024 - pubs.geoscienceworld.org
Abstract Middle Eocene to early Oligocene intrusions, widespread in the Ruby Mountains–
East Humboldt Range metamorphic core complex, Nevada, USA, provide insights into a …

Decoupled Oligocene mylonitic shearing and Miocene detachment faulting in the East Humboldt Range metamorphic core complex, northeast Nevada, USA

AV Zuza, S Dee - Geosphere, 2023 - pubs.geoscienceworld.org
The relationships between brittle detachment faulting and ductile shear zones in
metamorphic core complexes are often ambiguous. Although it is commonly assumed that …

Where did the Arizona‐Plano go? Protracted thinning via upper‐to lower‐crustal processes

G Jepson, B Carrapa, SWM George… - Journal of …, 2022 - Wiley Online Library
Key Points Crustal thickness estimates, geophysical proxies, and thermochronology provide
independent constraints on the thinning history western USA Where crustal thickness …

Upper-plate response to ridge subduction and oceanic plateau accretion, Washington Cascades and surrounding region: Implications for plate tectonic evolution of …

RB Miller, PJ Umhoefer, MP Eddy… - …, 2023 - pubs.geoscienceworld.org
The interaction between subduction zones and oceanic spreading centers is a common
tectonic process, and yet our understanding of how it is manifested in the geologic record is …

[PDF][PDF] Metamorphic core complex dichotomy in the North American Cordillera explained by buoyant upwelling in variably thick crust

AV Zuza, W Cao - Fall Meeting 2022, 2022 - wenrongcao.wordpress.com
Metamorphic core complexes (MCC) in the North American Cordillera exhibit a strong
dichotomy. Those in the north formed in a thickened orogenic plateau during Paleogene …

Orogens of big sky country: reconstructing the deep‐time tectonothermal history of the beartooth mountains, Montana and Wyoming, USA

CB Ronemus, DA Orme, WR Guenthner, SE Cox… - …, 2023 - Wiley Online Library
Archean rocks exposed in the Beartooth Mountains, Montana and Wyoming, have
experienced a complex> 2.5 Gyr thermal history related to the long‐term geodynamic …

Stratigraphic and geochronologic investigation of the Muddy Creek Basin: Implications for the Eocene tectonic evolution of southwest Montana, USA

HE Thoresen, EJ Cassel, ME Smith… - Geological …, 2024 - pubs.geoscienceworld.org
Sedimentary basins record crustal-scale tectonic processes related to the construction and
demise of orogenic belts, making them an invaluable archive for the reconstruction of the …

Eocene‐Oligocene metamorphism, fluid flow and deformation in the Ruby Mountains‐East Humboldt Range metamorphic core complex

DA Levy, SM Gordon, AV Zuza, M Cisneros… - …, 2025 - Wiley Online Library
Metamorphic core complexes are ubiquitous in collapsed orogens globally and play a
primary role in crustal exhumation. We investigate the metamorphic history of the Ruby …