Results 51 to 60 of about 5,395 (224)

Exhumation of the Sierra de Cameros (Iberian Range, Spain): constraints from low-temperature thermochronology [PDF]

, 2008
We present new fission-track and (U–Th)/He data from apatite and zircon in order to reconstruct the exhumation of the Sierra de Cameros, in the northwestern part of Iberian Range, Spain. Zircon fission-track ages from samples from the depocentre of the
Casquet, F. M. Stuart, Foeken, Gil-Imaz, Gil-Imaz, Gil-Imaz, Goldberg, Guiraud, Hurford, Ketcham, L. Barbero, Mas, Mas, Mata, Muñoz, P. Del Río, Schudack, Tischer   +17 more
core   +2 more sources

Fault systems impede incision of the Yarlung river into the Tibetan plateau

Communications Earth & Environment, 2023
It is widely accepted that tectonics generally enhances river incision. However, why rivers have not incised further into orogenic plateaus to destroy terrains over long-time scales remains ambiguous.
Dongxu Cai, Xianyan Wang, Guangwei Li, Ruohong Jiao, Barry Kohn, Wenbin Zhu, Johan De Grave, Huayu Lu   +7 more
doaj   +1 more source

The thermal history of the Western Irish onshore [PDF]

, 2014
We present here a low-temperature thermochronological study that combines the apatite fission-track and (U + Th)/He dating methods with a pseudo-vertical sampling approach to generate continuous and well-constrained temperature–time histories from the ...
Chew, David, Cogne, Nathan, Stuart, Finlay M.   +2 more
core   +2 more sources

Thermochronologic Constraints on the Extensional History of the Ibex Hills, Southeastern Black Mountains, Death Valley, California

Geological Journal, EarlyView.
A. Modeled T‐t paths for samples in the northern Ibex Hills, showing steady cooling throughout much of the Cenozoic, until rapid Miocene cooling. B. Weighted mean paths for each sample in this study. Note that all show a rapid cooling event at or just after 10 Ma, which is interpreted to represent exhumation as a result of regional extenstion ...
Zachariah D. Fleming
wiley   +1 more source

Exhumation history of the Tatry Mountains, Western Carpathians, constrained by low‐temperature thermochronology [PDF]

Tectonics, 2016
AbstractThis study tests alternative models for the growth of the Tatry Mountains (Central Western Carpathians) by the application of low‐temperature thermochronology. Zircon (U + Th)/He ages from the north of the range are mostly between 48 and 37 Ma and indicate cooling prior to the onset of fore‐arc sedimentation in the region (42–39 Ma).
Smigielski, M., Sinclair, H. D., Stuart, F. M., Persano, C., Krzywiec, P.   +4 more
openaire   +3 more sources

P–T Modelling Constrains the Depth of Emplacement of the Porto Azzurro Pluton and Implies Minor Exhumation Caused by the Zuccale Fault (Island of Elba, Italy)

Journal of Metamorphic Geology, EarlyView.
ABSTRACT Understanding the pressure of emplacement of granitic intrusions is crucial to understanding the exhumation history of plutons and constraining the tectonic setting of magma emplacement. However, P–T and geochronological constraints from exhumed plutons are often characterized by large uncertainties, especially in shallow crustal settings with
Samuele Papeschi, Marco Bonini, Matteo Lupi, Chiara Del Ventisette, Domenico Montanari   +4 more
wiley   +1 more source

Extensional exhumation of cratons: insights from the Early Cretaceous Rio Negro–Juruena belt (Amazonian Craton, Colombia) [PDF]

Solid Earth
This study presents results from apatite fission track (AFT) thermochronology to investigate the thermal history and exhumation dynamics of the Rio Negro–Juruena basement, situated within the western Guiana Shield of the Amazonian Craton.
A. Fonseca, S. Nachtergaele, A. Bonilla, S. Dewaele, J. De Grave   +4 more
doaj   +1 more source

Late Cenozoic metamorphic evolution and exhumation of Taiwan [PDF]

, 2007
The Taiwan mountain belt is composed of a Cenozoic slate belt (Hsuehshan Range units, HR, and Backbone Slates, BS) and of accreted polymetamorphic basement rocks (Tananao Complex, TC).
Avouac, Jean-Philippe, Beyssac, Olivier, Chan, Yu-Chang, Chen, Yue-Gau, Farley, Kenneth A., Goffé, Bruno, Simoes, Martine   +6 more
core   +4 more sources

Confirming the impact origin of the São Miguel do Tapuio structure, northeastern Brazil

Meteoritics &Planetary Science, EarlyView.
Abstract The São Miguel do Tapuio structure (SMT) is a remarkable, nearcircular feature of about 21 km diameter, centered at 5°37.6′ S, 41°23.3′ W in Piauí state, northeastern Brazil. The structure is located within the sedimentary strata of the Paleozoic–Mesozoic Parnaíba Basin and predominantly comprises sandstones of the Devonian Pimenteiras and ...
Alvaro Penteado Crósta, Neivaldo Araújo de Castro, Marcos Alberto Rodrigues Vasconcelos, Airton Natanael Coelho Dias, Ludovic Ferrière, Wolf Uwe Reimold, Ana Maria Góes, Jackson Alves Martins, Liliana Sayuri Osako, Raimundo Mariano Gomes Castelo Branco   +9 more
wiley   +1 more source

The Cenozoic spatiotemporal exhumation of the SE Tibetan Plateau: insight from the data mining and modeling of low-temperature thermochronology

Frontiers in Earth Science, 2023
Introduction: The SE Tibetan Plateau is distinct from other margins due to its high elevation, long wavelength, and low relief. A clear understanding of the Cenozoic exhumation history of this region is the key to understanding the special ...
Fangbin Liu, Fangbin Liu, Min Wang, Honghua Liu, Honghua Liu, Ran Ni   +5 more
doaj   +1 more source