Results 221 to 230 of about 6,802 (271)

Unveiling a new oceanic anoxic event at the Norian/Rhaetian boundary (Late Triassic). [PDF]

Sci Rep
Rigo M, Jin X, Godfrey L, Katz ME, Sato H, Tomimatsu Y, Zaffani M, Maron M, Satolli S, Concheri G, Cardinali A, Wu Q, Du Y, Lei JZX, van Wieren CS, Tackett LS, Campbell H, Bertinelli A, Onoue T.   +18 more
europepmc   +1 more source

Geochemistry and Geochronology of Magmatic Rocks in Southwestern and Northeastern Cambodia: Implications for the Tectonic Evolution and Metallogenesis of the Loei Fold Belt

Geological Journal, EarlyView.
The composition of intrusive rocks suggests that the magma was likely generated in a subduction‐related setting. The arc crustal thickness in the Phnom Sro Ngam and Halo Prospects was probably < 40 km during emplacement. Zircon U–Pb age range indicates a correlation with Loei Fold Belt magmatic activity.
Sirisokha Seang, Khin Zaw, Kakda Kret, Ivan Belousov, Kotaro Yonezu, Koichiro Watanabe, Charles Makoundi   +6 more
wiley   +1 more source

SIMS U-Pb zircon dating and Re-Os isotopic analysis of the Hulu Cu-Ni deposit, eastern Tianshan, Central Asian Orogenic Belt, and its geological significance

, 2013
G. C. Zhao, C. M. Han, W. J. Xiao
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Re-Os isotopic dating of molybdenites in the Xiaoliugou W (Mo) deposit in the northern Qilian mountains and its geological significance

Geochimica et Cosmochimica Acta, 1999
Abstract The Xiaoliugou is a large-scale W (Mo) deposit newly explored in the Northern Qilian Mountains Caledonian fold belt, Northwestern China. It is a vein and skarn type deposit genetically associated with the Xiaoliugou Caledonian granodiorite stock.
Mao Jingwen, Zhang Zhaochong, Zhang Zuoheng, Du Andao   +3 more
semanticscholar   +2 more sources

Dating post-Archean lithospheric mantle: Insights from Re-Os and Lu-Hf isotopic systematics of the Cameroon Volcanic Line peridotites

Geochimica et Cosmochimica Acta, 2020
Abstract Highly depleted Archean peridotites have proven very amenable to Re-Os model age dating. In contrast, due to the increasing heterogeneity of mantle Os isotope compositions with time, the Re-Os system has not been as effective in dating post-Archean peridotites.
Liu, Jingao, Pearson, D. Graham, Shu, Qiao, Sigurdsson, Haraldur, Thomassot, Emilie, Alard, Olivier   +5 more
openaire   +4 more sources

Re–Os isotopic dating of molybdenite and pyrite in the Baishan Mo–Re deposit, eastern Tianshan, NW China, and its geological significance

Mineralium Deposita, 2005
The Baishan Mo–Re deposit is located in the eastern section of the eastern Tianshan orogenic belt, NW China. The deposit has a grade of 0.06% Mo and a high content of rhenium of 1.4 g/t. Rhenium and osmium isotopes in sulfide minerals from the Baishan deposit are used to determine the age of mineralization. Rhenium concentrations in molybdenite samples
Lianchang Zhang, W. Xiao, K. Qin, W. Qu, A. Du   +4 more
semanticscholar   +2 more sources

Re-Os isotope system in organic-rich samples for dating and tracing: Methodology, principle, and application

Earth-Science Reviews, 2023
In the last three decades, significant progress has been made in the investigation of rhenium-osmium (Re-Os) isotopic system in organic-rich samples. The Re-Os geochronometer can provide precise absolute depositional ages of organic-rich sediments (ORS ...
Lu Yin, Peipei Zhao, Junjie Liu, Jie Li
openaire   +2 more sources

Advances in the analytical methods of metal sulfide Re-Os isotope dating

Acta Petrologica Sinica, 2022
Over the past 30 years, the analytic technique of Re-Os isotope of geological samples has been developed and improved constantly, including sample digestion, chemical separation, mass spectrometry determination and micro region analysis methods, and Re ...
SUN ShengLing, LI Jie, XU JiFeng, WANG GuiQin   +3 more
openaire   +2 more sources

Re‐Os Isotopic Dating of a W‐Be Polymetallic Deposit in the Southern Qinling Region, China

Acta Geologica Sinica - English Edition, 2018
Hongzhang Dai, Denghong Wang, Cheng-hui Wang, Fan Huang   +3 more
semanticscholar   +2 more sources

SHRIMP zircon U–Pb and molybdenite Re–Os isotopic dating of the tungsten deposits in the Tianmenshan–Hongtaoling W–Sn orefield, southern Jiangxi Province, China, and geological implications

Ore Geology Reviews, 2011
Zailin Zeng, Wenjun Qu, Andao Du
exaly   +2 more sources