Zobrazeno 1 - 10
of 7 093
pro vyhledávání: '"isotope geochemistry"'
Autor:
Victor D. Thompson, Matthew Sanger, Karen Y. Smith, Carey J. Garland, Matthew D. Howland, C. Fred T. Andrus, Isabelle Holland-Lulewicz, Carla Hadden, Clark Alexander, Rachel Cajigas, Elliot Blair, Anna Semon, David Hurst Thomas
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-9 (2024)
Abstract Shell ring archaeological sites are one of the most visible site types along the lower South Atlantic Coast of the United States. These cultural sites are large, circular to arcuate piles of mollusk shells with some reaching over three meter
Externí odkaz:
https://doaj.org/article/fe7a12ec68f64696854f493af020c764
Akademický článek
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Akademický článek
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Publikováno v:
Frontiers in Marine Science, Vol 11 (2024)
Since the mid-1970s, groundwater resources in Bermuda have been explored to supplement growing potable water demand on the island. Much of this work has focused on modeling the shape and size of freshwater lenses beneath the island’s surface, mainl
Externí odkaz:
https://doaj.org/article/d0292feb3be44fe38bdd10675a9fca0c
Autor:
Mingzhen Li, Guangzhou Mao, Zhengjiang Ding, Qinglin Xu, Huiji Zhao, Yanchao Han, Tieliang He
Publikováno v:
Solid Earth Sciences, Vol 9, Iss 2, Pp 100177- (2024)
The Panzijian gold deposit is located in the Jiaobei uplift on the eastern margin of North China Craton. It is a quartz vein-type gold deposit in the southern end of the Qixia-Penglai ore belt. In order to explore the source and properties of ore-for
Externí odkaz:
https://doaj.org/article/d8cb29a5f46c48fcaf1ad68167b3243d
Publikováno v:
Geochemistry, Geophysics, Geosystems, Vol 25, Iss 5, Pp n/a-n/a (2024)
Abstract Oxygen and hydrogen stable isotope analyses of quartz and muscovite veins from the footwall of the Raft River detachment shear zone (Utah) provide insight into the hydrology and fluid‐rock interactions during ductile deformation. Samples w
Externí odkaz:
https://doaj.org/article/eca622061df743399370e820bfabfc96
Genesis of Geothermal Waters in Zhongshan City, China: Hydrochemical and H-O-C Isotopic Implications
Autor:
Yanan Li, Ximin Bai, Changsheng Huang, Wei Chen, Chuanming Ma, Wei Huang, Gao Deng, Xiangrong Qiu, Shengnan Chen, Yongjun Yang, Ying Huang, Xuefeng Wu, Hailong Ye
Publikováno v:
Water, Vol 16, Iss 13, p 1765 (2024)
Investigations of the geochemical compositions of geothermal water, as well as their movements and geneses, are of great significance for the exploration and exploitation of hydrothermal resources. In Zhongshan City, a southern city in Guangdong Prov
Externí odkaz:
https://doaj.org/article/67c6c54903414ed0acfb6fbb2ce263f0
Autor:
Nikolay Goryachev, Valery Fridovsky
Publikováno v:
Frontiers in Earth Science, Vol 11 (2024)
The giant Verkhoyansk-Kolyma gold province, producing more than∼ 3700 t of gold, is one of the most important metallogenic provinces for orogenic gold deposits in the world. The province is located on the eastern margin of the Siberian craton. The
Externí odkaz:
https://doaj.org/article/ea7bbf8c138641e08e14f172fcf7ba05
Autor:
Samalavičius Vytautas, Arustienė Jurga
Publikováno v:
Geologos, Vol 28, Iss 3, Pp 179-189 (2022)
For the present study, geochemical ages were derived from radiocarbon and radiokrypton age calibration with ground-water chemical contents (Na+, K+, Mg2+, Ca2+, Cl−, SO42−, HCO3−). Geochemical ages may fill the dating gap (40–150 ka) between
Externí odkaz:
https://doaj.org/article/9d5b1412a4674af8975bd652df0a6766
Autor:
E. Pitcavage, T. Furman, W. R. Nelson, D. W. Graham, S. Shirey, P. K. Kulyanyingi, E. Barifaijo
Publikováno v:
Geochemistry, Geophysics, Geosystems, Vol 24, Iss 6, Pp n/a-n/a (2023)
Abstract Young mafic lavas from the East African Western Rift record melting of subcontinental lithospheric mantle that was metasomatically modified by multiple tectonic events. We report new isotope data from monogenetic cinder cones near Bufumbira,
Externí odkaz:
https://doaj.org/article/461a9fcca9944bc6a9d08849fbc5a954