Miocene construction of the High Andes recorded by exhumation of the Frontal Cordillera, La Ramada massif of western Argentina (32 S)

CJ Howlett, CB Ronemus, B Carrapa, PG DeCelles - Tectonics, 2025 - Wiley Online Library
Abstract The Frontal Cordillera is a first‐order geologic feature of the southern central
Andes, hosting the highest hinterland topography above the modern Pampean flat‐slab …

[HTML][HTML] Ghost age components in detrital thermochronology

B Härtel, P Vermeesch, E Enkelmann, S Glorie - Chemical Geology, 2024 - Elsevier
Thermochronological dating of detrital samples is an important tool for understanding the
thermal history of basins and their source regions. Detrital thermochronology data are often …

A practical method for assigning uncertainty and improving the accuracy of alpha-ejection corrections and eU concentrations in apatite (U–Th)  He chronology

SD Zeigler, JR Metcalf, RM Flowers - Geochronology, 2023 - gchron.copernicus.org
Abstract Apatite (U–Th)/He (AHe) dating generally assumes that grains can be accurately
and precisely modeled as geometrically perfect hexagonal prisms or ellipsoids in order to …

Late Cretaceous exhumation of the Little Belt Mountains and regional development of the Helena salient, west-central Montana, USA

CJ Howlett, G Jepson, B Carrapa, PG DeCelles… - …, 2024 - pubs.geoscienceworld.org
The timing of deformation within and adjacent to the Helena salient of west-central Montana
is poorly constrained relative to other segments of the Sevier fold-and-thrust belt. This study …

Cenozoic Exhumation Across the High Plains of Southeastern Colorado from (U-Th)/He Thermochronology

SJ Kainz, LD Abbott, RM Flowers, A Olsson… - …, 2024 - pubs.geoscienceworld.org
Abstract Colorado's High Plains stand at anomalously high elevations (~ 1300–2100 m) for
their continental interior setting, but when and why this region became elevated is poorly …

The Geometric Correction Method for zircon (U–Th)  He chronology: correcting systematic error and assigning uncertainties to alpha-ejection corrections and eU …

SD Zeigler, M Baker, JR Metcalf… - Geochronology, 2024 - gchron.copernicus.org
The conventional zircon (U–Th)/He (ZHe) method typically uses microscopy measurements
of the dated grain together with the assumption that the zircon can be appropriately modeled …

Diagenesis of fossil gar fish scales with implications for geochronology and paleoenvironmental applications

J Fink, MM Tremblay, TS Tobin, LD Stockli… - … et Cosmochimica Acta, 2024 - Elsevier
Fossil scales from gar fish are made of bioapatite and are common in the continental
sedimentary record from the Cretaceous to the present, prompting interest in using these …

Improved volume and derived value calculations for polished zircon

BA Peak - Geochronology Discussions, 2024 - gchron.copernicus.org
Polishing mounted mineral crystals prior to bulk grain (U-Th)/He thermochronology analysis
offers many advantages for characterizing and subsampling each grain via in situ methods …

Continental Breakup, Mountain Building, and the Great Unconformity: The Exhumation History of North America's Most Iconic Erosional Surface Using Zircon (U-Th) …

BA Peak - 2024 - search.proquest.com
Abstract The Proterozoic to early Paleozoic is a key period of environmental change in
Earth's history coincident with the amalgamation and breakup of Rodinia, assembly of …

Has the formation of a slab window below the Antarctic Peninsula controlled its topographic evolution?

GP Twinn - 2024 - eprints.bbk.ac.uk
This thesis presents apatite (U-Th)/He and apatite fission-track thermochronology data to
understand spatial and temporal changes in rock uplift and exhumation along and across …