Results 91 to 100 of about 11,804 (209)

Provenance and Paleogeography of the 25-17 Ma Rainbow Gardens Formation: Evidence for Tectonic Activity at Ca. 19 Ma and Internal Drainage rather than Throughgoing Paleorivers on the Southwestern Colorado Plateau [PDF]

, 2018
The paleogeographic evolution of the Lake Mead region of southern Nevada and northwest Arizona is crucial to understanding the geologic history of the U.S. Southwest, including the evolution of the Colorado Plateau and formation of the Grand Canyon.
Beard, L. Sue, Dragos, Malia, Dunbar, Nelia, Hanson, Andrew D., Hickson, Thomas A., Karlstrom, Karl E., Lamb, Melissa A., McIntosh, William, Sitton, Mark, Umhoefer, Paul J.   +9 more
core   +2 more sources

U-Pb age characteristics of detrital zircon and provenance analysis of a Middle Miocene submarine fan in the Qiongdongnan Basin

地质科技通报
Objective The middle Miocene submarine fan in the Qiongdongnan Basin is an important target for natural gas exploration in the northern South China Sea.
Shengli GONG, Zhuoyu YAN, Baiqiang LI, Tongyao ZHANG, Turong WU, Junfeng PENG, Lei ZHENG, Dongfeng ZHANG, Xiangsheng HUANG, Chengfei LUO, Ren WANG   +10 more
doaj   +1 more source

New Geochronological Constraints on the Late Palaeozoic Tarija Basin, Southern Bolivia: Tectonic and Palaeoclimatic Implications

Terra Nova, Volume 38, Issue 1, Page 9-18, February 2026.
ABSTRACT The Carboniferous‐Permian Tarija basin of southern Bolivia evolved under major tectonic and climatic influence. The timing of transition from glacially influenced to arid conditions, after the Gondwanide tectonic event, has been based mainly on palynological correlations.
Felipe R. Ferroni, Peter G. DeCelles, Jaime Oller Veramendi, Juan Andrés Dahlquist, Mercedes di Pasquo   +4 more
wiley   +1 more source

Precambrian crustal evolution and Cretaceous–Palaeogene faulting in West Greenland: Zircon geochronology from the Kangaatsiaq–Qasigiannguit region, the northern part of the 1.9–1.8 Ga Nagssugtoqidian orogen, West Greenland [PDF]

Geological Survey of Denmark and Greenland Bulletin, 2006
The Kangaatsiaq–Qasigiannguit region in the northern part of the Palaeoproterozoic Nagssugtoqidian orogen of West Greenland consists of poly-deformed orthogneisses and minor occurrences of interleaved, discontinuous supracrustal belts. Laser ablation ICP-
Conelly, James N., Thrane, Kristine
doaj  

P‐T‐t‐d Evolution of Low‐Grade Metamorphic Xenotime, Eastern Alps (Austria)

Terra Nova, Volume 38, Issue 1, Page 65-76, February 2026.
ABSTRACT In situ LA‐ICP‐MS U‐Pb dating of xenotime was used to establish the age of low‐grade metamorphism in Permian metasediments of the Austroalpine Unit (Eastern Alps, Austria). Complexly zoned xenotime in chloritoid‐bearing metasedimentary samples possesses distinct MREE‐rich domains. In the eastern sample, this domain yielded a date of c. 135 Ma,
M. S. Hollinetz, B. Huet, C. R. M. McFarlane, D. A. Schneider, B. Grasemann   +4 more
wiley   +1 more source

Enhanced U-Pb detrital zircon, Lu-Hf zircon, δ18O zircon, and Sm-Nd whole rock global databases

Scientific Data
AbstractHigh-quality global isotopic databases provide Earth scientists with robust means for developing and testing a variety of geological hypotheses. Database design establishes the range of questions that can be addressed, and validation techniques can enhance data quality.
Stephen J. Puetz, Christopher J. Spencer, Kent C. Condie, Nick M. W. Roberts   +3 more
openaire   +4 more sources

L'unité de la Boghen (Nouvelle-Calédonie, Pacifique SW): un complexe d'accrétion jurassique. Données radiochronologiques préliminaires U-Pb sur les zircons détritiques. [PDF]

, 2002
La datation des zircons détritiques de l'unité de la Boghen permet d'attribuer un âge post-liasique à cet ensemble, autrefois considéré comme le " socle anté-permien " de la Nouvelle-Calédonie.
Cluzel, Dominique, Meffre, Sébastien
core   +4 more sources

Cadomian/Pan-African consolidation of the Iberian Massif assessed by its detrital and inherited zircon populations: is the ~610Ma age peak a persistent Cadomian magmatic inheritance or the key to unravel its Pan-African basement?

Geologica Acta, 2023
This work assessed the age distribution of Cadomian/Pan-African orogenic events (550-590 and 605-790Ma, respectively) in several zones of Iberian Massif by means of detrital and inherited zircon analysis compilation.
Martim Chichorro, Ana Rita Solà, Telmo Bento dos Santos, João Lains Amaral, Lourenço Crispim   +4 more
doaj  

Thermochronology of the modern Indus River bedload: New insight into the controls on the marine stratigraphic record [PDF]

, 2004
The Indus River is the only major drainage in the western Himalaya and delivers a long geological record of continental erosion to the Arabian Sea, which may be deciphered and used to reconstruct orogenic growth if the modern bedload can be related to ...
Ali Athar Khan, Anczkiewicz, Andrew Carter, Ballard, Black, Brookfield, Carpena, Carter, Carter, Charlotte M. Allen, Cherniak, Clift, Clift, Clift, Compston, Copeland, Copeland, Corrigan, Cumming, DeCelles, Dunlap, Finlayson, Fontan, Foster, Fraser, Galy, Garzanti, Garzanti, George, Green, Guillot, Harrison, Hirata, Hodges, Hodges, Hodges, Honegger, Horn, Hubbard, Ian H. Campbell, Jain, Kip V. Hodges, Koppers, Krol, Krol, Kumar, Lee, Malcolm S. Pringle, Maluski, Metcalfe, Molnar, Moore, Najman, Najman, Noble, Parrish, Parrish, Pearce, Peter D. Clift, Poupeau, Renne, Rowley, Schärer, Schärer, Searle, Searle, Searle, Searle, Searle, Searle, Sorkhabi, Sorkhabi, Stephenson, Stüwe, Stüwe, Treloar, Treloar, Vannay, Villa, Walker, Weinberg, White, Winslow, Xifan Zhang, Zeilinger, Zeitler, Zeitler, Zeitler, Zeitler, Zeitler, Zhang   +90 more
core   +2 more sources

U-Pb ages of detrital zircons in Cretaceous-Paleogene/Neogene kaolins within Eastern Dahomey and Niger Delta Basins (Nigeria) as provenance indicators. [PDF]

Sci Rep, 2021
Oyebanjo O, Ekosse GI, Odiyo J.
europepmc   +1 more source