全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:Jiantang Peng , Ruizhong Hu , Junhong Zhao ...
来源:[J].Chinese Science Bulletin(IF 1.319), 2003, Vol.48 (23), pp.2640-2646Springer
摘要:Abstract(#br)Scheelite Sm-Nd and quartz Ar-Ar dating were accomplished for the Woxi Au-Sb-W deposit in western hunan. The results show that the Sm and Nd concentrations of scheelite are relatively high, and Sm/Nd ratios are usually high and variable. In the 147 Sm/ 144 Nd vs. ...
作者:Tianshan Gao , Jiafu Tang , Haiqing Sang ...
来源:[J].Chinese Science Bulletin(IF 1.319), 2006, Vol.51 (12), pp.1494-1500Springer
摘要:... In order to resolve this issue, whole-rock Ar-Ar dating was carried out for greenschist-facies metatuff that is in contact with UHP eclogite in Yuexi County, Anhui Province. One sample gave a plateau age of 784.4±2.0 Ma and an isochron age of 785.0±4.7 Ma, and the other...
作者:Vural Oyan
来源:[J].Journal of Asian Earth Sciences(IF 2.379), 2018, Vol.158, pp.210-226Elsevier
摘要:... New Ar-Ar dating results show that the age of the Taşkapı-Mecitli granitoid is ∼23 Ma and it crystallised in the Early Miocene, in contrast to its previously known Cretaceous age. Identical crystallisation ages (∼23 Ma), similar mineral assemblages and geochemical c...
作者:Peter A. Nevolko , Trong Hoa Tran , Denis S. Yudin ...
来源:[J].Ore Geology Reviews(IF 2.417), 2017, Vol.89, pp.544-556Elsevier
摘要:... An Ar-Ar isotopic dating of hydrothermal sericite from the sedimentary hosted Bo Va and Khung Khoang gold deposits and intrusion hosted orogenic Hat Han gold deposit yields plateau ages of 184.8 ± 2.1 Ma, 211.63 ± 2.3 Ma, and 209.12 ± 2.3 Ma, respectively. The obtained Ar-Ar...
作者:Véronique Gardien , Nicolas Arnaud , Laurent Desmurs
来源:[J].Geodinamica Acta(IF 0.471), 2000, Vol.13 (2), pp.103-117Elsevier
摘要:... Ar-Ar dating gives Precambrian ages ranging between ca. 2500–2000 Ma for the amphibole from the hydrous granulite and 1600–1500 Ma for the core of the K-feldspar from the anhydrous and hydrous granulites. A younger age of 900 Ma is obtained from the recrystallized ri...
作者:A.D. Nozhkin , O.M. Turkina , N.V. Dmitrieva ...
来源:[J].Russian Geology and Geophysics(IF 0.894), 2018, Vol.59 (6), pp.652-672Elsevier
摘要:... According to the results of U-Pb (LA-ICP-MS) dating of detrital zircons from gneisses and schists, the sedimentary protolith formed in the Vendian. Neoproterozoic subduction complexes were probably the major provenance for terrigenous material, and Early Precambrian rocks mad...
作者:Andrey K. Khudoley , Vladimir E. Verzhbitsky , Dmitry A. Zastrozhnov ...
来源:[J].Journal of Geodynamics(IF 2.967), 2018Elsevier
摘要:... Thirty seven samples were used for apatite fission track (AFT) analysis along with two samples for U-Pb zircon granite dating, and three samples for Ar-Ar metamorphic muscovite dating.(#br)The late Paleozoic (Early Carboniferous – Permian) tectonic event is recognized only...
作者:Svetlana G. Tessalina , Fred Jourdan , Elena V. Belogub
来源:[J].Ore Geology Reviews(IF 2.417), 2016Elsevier
摘要:... Here we present direct dating results of sulphide mineralisation from the Yaman-Kasy and Kul-Yurt-Tau VHMS deposits using Re-Os isotope systematics showing similar mineralisation ages of 362 ± 9 Ma and 363 ± 1 Ma. These ages coincide with the previous Re-Os dating of t...
作者:Ping-Ping Liu , Mei-Fu Zhou , Guochun Zhao ...
来源:[J].Journal of Asian Earth Sciences(IF 2.379), 2017, Vol.145, pp.626-640Elsevier
摘要:Abstract(#br)The Mianhuadi mafic complex in the Ailao Shan-Red River (ASRR) shear zone, SW China, consists of granulite and mylonite, formed by granulite-facies peak metamorphism and retrograde amphibolite-facies metamorphism, with later local mylonitic deformation. Textures...
作者:Kanchan Pande , S. K. Pattanayak , K. V. Subbarao ...
来源:[J].Journal of Earth System Science(IF 0.695), 2004, Vol.113 (4), pp.755-758Springer
摘要:Abstract(#br)We report here a 40 Ar- 39 Ar age of 66.0 ± 0.9 Ma ( 2σ) for a reversely magnetised tholeiitic lava flow from the Bhimashankar Formation (Fm.), Giravali Ghat, western Deccan province, India. This age is consistent with the view that the 1.8–2 km thick bottom par...

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