Zobrazeno 1 - 10 of 85 pro vyhledávání: '"Brenhin Keller"'
1
Cryogenian glacial erosion of the central Canadian Shield: The 'late' Great Unconformity on thin ice
Autor: Kalin T. McDannell, C. Brenhin Keller
Publikováno v: Geology. 50:1336-1340
The Great Unconformity has been recognized for more than a century, but only recently have its origins become a subject of debate. Hypotheses suggest global Snowball Earth glaciations and tectonic processes associated with the supercontinent Rodinia
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9a20c424fd10a94b7bd09cf714523955
https://doi.org/10.1130/g50315.1
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2
Onset of long-lived silicic and alkaline magmatism in eastern North America preceded Central Atlantic Magmatic Province emplacement
Autor: Sean T. Kinney, Scott A. MacLennan, Dawid Szymanowski, C. Brenhin Keller, Jill A. VanTongeren, Jacob B. Setera, Steven J. Jaret, C. Forrest Town, Justin V. Strauss, Dwight C. Bradley, Paul E. Olsen, Blair Schoene
Publikováno v: Geology. 50:1301-1305
The White Mountain magma series is the largest Mesozoic felsic igneous province on the eastern North American margin. Previous geochronology suggests that magmatism occurred over 50 m.y., with ages for the oldest units apparently coeval with the ca.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a701b267d80ffdcabebbee18bcd82700
https://doi.org/10.1130/g50181.1
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3
Volcano-pluton connections at the Lake City magmatic center (Colorado, USA)
Autor: Ayla S. Pamukçu, Blair Schoene, Chad D. Deering, C. Brenhin Keller, Michael P. Eddy
Publikováno v: Geosphere. 18:1435-1452
Exposed at the Lake City caldera (Colorado, USA) is the ca. 23 Ma reversely stratified (rhyolite to trachyte) Sunshine Peak Tuff and post-collapse syenite and monzonite resurgent intrusions. Existing models for this system suggest that the rhyolites
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dce62bbf9a9f97c998d168e659730460
https://doi.org/10.1130/ges02467.1
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5
The emergence of Continental Crust Revealed by Machine Learning
Autor: Chuntao Liu, C. Brenhin Keller, Xiaoming Liu, Zhou Zhang
Reconstructing the emergence of the modern continental crust is crucial to understand the evolution of the crust, the onset of plate tectonics, elemental cycling, and long-term climate. However, it remains highly contentious about when and how the ma
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5f65c8ed9f127d65a4710b0a4254f625
https://doi.org/10.5194/egusphere-egu23-4648
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6
Technical Note: Pb-loss-aware Eruption/Deposition Age Estimation
Autor: C. Brenhin Keller
Interpreting overdispersed crystallization and closure age spectra has become a problem of significant import in high-precision geochronology. While Bayesian eruption age estimation appears to provide one promising avenue for the statistical interpre
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f5caa52fe54d5e556ff1375f647e4764
https://doi.org/10.5194/gchron-2023-9
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7
Continental flood basalts drive Phanerozoic extinctions
Autor: Theodore Green, Paul Renne, C Brenhin Keller
Publikováno v: Proceedings of the National Academy of Sciences of the United States of America, vol 119, iss 38
Refinements of the geological timescale driven by the increasing precision and accuracy of radiometric dating have revealed an apparent correlation between large igneous provinces (LIPs) and intervals of Phanerozoic faunal turnover that has been much
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a036410bc07eac0e4486b02358f74d10
https://pubmed.ncbi.nlm.nih.gov/36095185
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