Emplacement of the Franklin large igneous province and initiation of the Sturtian Snowball Earth
During the Cryogenian (720 to 635 Ma ago) Snowball Earth glaciations, ice extended to sea
level near the equator. The cause of this catastrophic failure of Earth's thermostat has been …
level near the equator. The cause of this catastrophic failure of Earth's thermostat has been …
(U-Th)/He chronology: Part 2. Considerations for evaluating, integrating, and interpreting conventional individual aliquot data
Abstract The (U-Th)/He dating technique is an essential tool in Earth science research with
diverse thermochronologic, geochronologic, and detrital applications. It is now used in a …
diverse thermochronologic, geochronologic, and detrital applications. It is now used in a …
Phanerozoic flooding of North America and the Great Unconformity
AR Tasistro-Hart, FA Macdonald - Proceedings of the …, 2023 - National Acad Sciences
The flooding record of North America has been used to infer patterns of global erosion and
sea level in deep time. Here, we utilize the geospatial dimension of the stratigraphic record …
sea level in deep time. Here, we utilize the geospatial dimension of the stratigraphic record …
Ediacaran-Ordovician tectonic and geodynamic drivers of Great Unconformity exhumation on the southern Canadian Shield
BA Peak, RM Flowers, FA Macdonald - Earth and Planetary Science Letters, 2023 - Elsevier
Abstract The Great Unconformity erosion surface between Paleozoic sedimentary rocks and
Archean-Proterozoic basement has been related to erosion occurring during Snowball Earth …
Archean-Proterozoic basement has been related to erosion occurring during Snowball Earth …
Neoproterozoic of laurentia
Neoproterozoic to Cambrian isolation of Laurentia during the breakup of Rodinia was
associated with multiple large igneous provinces, protracted multiphase rifting, and variable …
associated with multiple large igneous provinces, protracted multiphase rifting, and variable …
Comparison of in-person and virtual Grand Canyon undergraduate field trip learning outcomes
Field learning is fundamental in geoscience, but cost, accessibility, and other constraints
limit equal access to these experiences. As technological advances afford ever more …
limit equal access to these experiences. As technological advances afford ever more …
Detrital zircon geochronology and stratigraphy of the Proterozoic strata in the Olongbuluke terrane of Northwest China: Implications for the Great Unconformity
Abstract The Great Unconformity that separates the early Cambrian sandstones from the
Proterozoic metamorphosed sedimentary rocks has been recognized in many blocks on …
Proterozoic metamorphosed sedimentary rocks has been recognized in many blocks on …
Connecting visual metamictization to radiation damage to expand applications of zircon (U-Th)/He thermochronometry
Abstract Zircon (U-Th)/He (ZHe) thermochronometry quantifies the timing and tempo of low-
temperature processes and is used to deconvolve tectonic and erosional histories …
temperature processes and is used to deconvolve tectonic and erosional histories …
The Laramide orogeny: Current understanding of the structural style, timing, and spatial distribution of the classic foreland thick-skinned tectonic system
The Laramide foreland belt comprises a broad region of thick-skinned, contractional
deformation characterized by an anastomosing network of basement-cored arches and …
deformation characterized by an anastomosing network of basement-cored arches and …
Calculation of uncertainty in the (U–Th) He system
PE Martin, JR Metcalf, RM Flowers - Geochronology, 2023 - gchron.copernicus.org
Although rigorous uncertainty reporting on (U–Th)/He dates is key for interpreting the
expected distributions of dates within individual samples and for comparing dates generated …
expected distributions of dates within individual samples and for comparing dates generated …