The north American cordilleran anatectic belt

JB Chapman, SE Runyon, JE Shields, BL Lawler… - Earth-Science …, 2021 - Elsevier
Abstract The North American Cordilleran Anatectic Belt (CAB) is a~ 3,000 km long region in
the hinterland of the Cordillera that comprises numerous exposures of Late Cretaceous to …

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 …

[HTML][HTML] The effect of muscovite on the microstructural evolution and rheology of quartzite in general shear

L Tokle, G Hirth, H Stünitz - Journal of Structural Geology, 2023 - Elsevier
We conducted general shear experiments on synthetic mixtures of quartz and muscovite
aggregates at 800° C and 1.5 GPa with 0.1 wt.% H 2 O added in the Griggs apparatus to …

Hit-and-run model for Cretaceous–Paleogene tectonism along the western margin of Laurentia

B Tikoff, BA Housen, JA Maxson, EM Nelson, S Trevino… - 2023 - pubs.geoscienceworld.org
ABSTRACT The North American Cordillera experienced major contractional deformation
during the Cretaceous–Paleogene, which is commonly attributed to normal subduction …

Magmatism and extension in the Anaconda metamorphic core complex of western Montana and relation to regional tectonics

CJ Howlett, AN Reynolds, AK Laskowski - Tectonics, 2021 - Wiley Online Library
Metamorphic core complexes (MCCs) are a product of crustal extension, but their dynamics
are still debated. Early research suggests that the formation of MCCs in the western United …

The Laramide orogeny: Current understanding of the structural style, timing, and spatial distribution of the classic foreland thick-skinned tectonic system

AB Weil, A Yonkee - 2023 - pubs.geoscienceworld.org
The Laramide foreland belt comprises a broad region of thick-skinned, contractional
deformation characterized by an anastomosing network of basement-cored arches and …

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 …

Structure, chronology, kinematics, and geodynamics of tectonic extension in the greater Catalina metamorphic core complex, southeastern Arizona, USA

JE Spencer, SM Richard, A Bykerk-Kauffman… - …, 2022 - pubs.geoscienceworld.org
Oligocene and early Miocene displacement on the Catalina–San Pedro detachment fault
and its northern correlatives uncovered mylonitic fabrics that form the greater Catalina …

Assessment of quartz grain growth and the application of the wattmeter to predict quartz recrystallized grain sizes

L Tokle, G Hirth - Journal of Geophysical Research: Solid Earth, 2021 - Wiley Online Library
Relationships between the recrystallized grain size and stress are investigated for
experimentally deformed water‐added quartz aggregates. For stresses≥ 100 MPa there is a …