Results 141 to 150 of about 439 (190)

Magmatic-hydrothermal fluid evolution of the tin-polymetallic metallogenic systems from the Weilasituo ore district, Northeast China. [PDF]

Sci Rep
Gao X, Zhou Z, Breiter K, Mao J, Romer RL, Cook NJ, Holtz F.   +6 more
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Combining Paleomagnetic and Re‐Os Isotope Data to Date Hydrocarbon Generation and Accumulation Processes

Journal of Geophysical Research: Solid Earth, 2023
AbstractUnraveling the complex relationship between orogenesis and hydrocarbon formation and accumulation is challenging and is often hampered by physical and chemical overprints of younger events. The Permian reservoir in the Longmen Shan orogen, South China, is such an example, and its evolution has been hotly debated.
Jing Hu, Yong Zhang, Dong Jia, Adrian Muxworthy, David Selby, Yongxiang Li, Matthew J. Brzozowski, Guoqi Wei, Jian Cao, Hongwei Yin, Wei Li   +10 more
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Dating crust-mantle separation: Re-Os isotopic study of mafic xenoliths from central Arizona

Geology, 1997
Mafic deep crustal and shallow upper mantle xenoliths hosted in the Chino Valley and Camp Creek latites of central Arizona have 187Os/188Os (0.216 to 1.51) ratios dramatically higher than values typical of mantle peridotite (
Sonia Esperança, Richard W. Carlson, Steven B. Shirey, Douglas Smith   +3 more
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Simplified method for the Re–Os dating of molybdenite using acid digestion and isotope dilution ICP-MS

Analytica Chimica Acta, 2002
Abstract An analytical method was developed for Os–Re dating of molybdenite. The method is based on determination of Os and Re concentrations in molybdenite by isotope dilution inductively-coupled plasma mass spectrometry (ID-ICP-MS). Sample digestion and sample/spike equilibration were achieved by a two-stage autoclave-based procedure using a ...
Dmitry Malinovsky, Ilia Rodushkin, Douglas Baxter, Björn Öhlander   +3 more
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Zircon U–Pb dating and sulfide Re–Os isotopes of the Xiarihamu Cu–Ni sulfide deposit in Qinghai Province, Northwestern China

Canadian Journal of Earth Sciences, 2020
The Xiarihamu Cu–Ni sulfide deposit is the second-largest Cu–Ni deposit in China, located in the Eastern Kunlun orogenic belt. However, despite previous study, the formation and evolution of this deposit remains a key unknown in the tectonic evolution of the Eastern Kunlun Orogenic Belt.
Qian, Ye, Li, Haoran, Sun, Fengyue, Sun, Jinlei, Wang, Guan   +4 more
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High precision Re-Os isotopic dating of molybdenites

Molybdenite is an ideal mineral for Re-Os isotopic dating, and its Re-Os isotopic systematics are widely employed to constrain the timing of hydrothermal metal mineralization.
Xiaorui Fan, Jifeng Xu, Jie Li, Guiqin Wang, Yunchuan Zeng   +4 more
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SULFIDE Re-Os AND Rb-Sr ISOTOPE DATING OF THE KANGDIAN IOCG METALLOGENIC PROVINCE, SOUTHWEST CHINA: IMPLICATIONS FOR REGIONAL METALLOGENESIS

Economic Geology, 2013
The Kangdian iron oxide copper-gold (IOCG) metallogenic province contains a number of economically important Fe-Cu deposits in South China and northern Vietnam. Due to the lack of precise mineralization ages, the metallogenesis of this province has long been a matter of debate.
Qi, L, Li, X, Selby, D, Zhou, MF, Zhao, X, Li, J   +5 more
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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
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