Results 21 to 30 of about 2,749 (215)

Geological characteristics and metallogenic age of Tengshan'ao Sn deposit in Dayishan of South Hunan and its prospecting significance

Solid Earth Sciences, 2021
The Tengshan'ao Sn deposit, located at the Dayishan ore field, Nanling Range, is one of the recently explored deposits in this region. In this study, LA-MC-ICP-MS cassiterite U–Pb and muscovite 40Ar-39Ar isotopic dating analyses for altered granite-type ...
Zunzun Zhang, Yongyun Ning, Youyue Lu, Jingya Cao, Jianming Fu, Zhuang Zhao, Jian Guo, Liyan Ma, Zhengwei Qin, Jianfeng Li   +9 more
doaj   +1 more source

Identification of the featured-element in fine road dust of cities with coal contamination by geochemical investigation and isotopic monitoring

Environment International, 2021
The exploitation of coal releases large amounts of contaminants into the environment. However, the featured pollutants of coal utilization as well as the scope and degree of their impact remain to be revealed.
Yuan Liu, Guijian Liu, Balal Yousaf, Chuncai Zhou, Xiaofei Shen   +4 more
doaj   +1 more source

Reproducing past subduction and mantle flow using high-resolution global convection models

Earth and Planetary Physics, 2018
Plate subduction drives both the internal convection and the surface geology of the solid Earth. Despite the rapid increase of computational power, it remains challenging for geodynamic models to reproduce the history of Earth-like subduction and ...
JiaShun Hu, LiJun Liu, Quan Zhou
doaj   +1 more source

A three-dimensional Moho depth model beneath the Yemeni highlands and rifted volcanic margins of the Red Sea and Gulf of Aden, Southwest Arabia

China Geology, 2023
Knowing Moho discontinuity undulation is fundamental to understanding mechanisms of lithosphere-asthenosphere interaction, extensional tectonism and crustal deformation in volcanic passive margins such as the study area, which is located in the ...
Amin Noman Al Kadasi
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Geochronology and geochemistry of the intrusive rocks in Yucun Au deposit, Jiangnan Transition Belt, Eastern China: Constraints on their petrogenesis, geodynamical setting and mineralization

Solid Earth Sciences, 2020
A large number of Au polymetallic deposits have been mined in the Jiangnan Transition Belt (JTB), Eastern China. However, the formation and genesis of these Au polymetallic deposits remain unclear.
Shanshan Chen, Xiaoyong Yang, Zhuang Zhao, Huasheng Qi, Lei Shi   +4 more
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Geochemistry of basalts in unravelling the mantle processes and crustal evolution: Insights from the greenstone belts of western Dharwar Craton

Geosystems and Geoenvironment, 2022
Basalts are an integral part of all the greenstone belts of Dharwar Craton which played a vital role in the thermo-tectonic evolution and mantle processes during the Archean time.
C. Manikyamba, Arijit Pahari, M. Santosh, K.S.V. Subramanyam, G. Harshitha Reddy   +4 more
doaj   +1 more source

Alternatives of «shale scenario» of development of the Russian fuel and energy complex on the basis of the deep oil paradigm of petroleum geology

Геофизический журнал, 2018
The condition and ways of the decision of the basic problems of modern petroleum geology in the field of recovery of resources of hydrocarbon and searches of oil and gas fields are discussed.
A. I. Timurziev
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Geology, environment, and life in the deepest part of the world’s oceans

The Innovation, 2021
Summary: The hadal zone, mostly comprising of deep trenches and constituting of the deepest part of the world’s oceans, represents the least explored habitat but one of the last frontiers on our planet.
Mengran Du, Xiaotong Peng, Haibin Zhang, Cong Ye, Shamik Dasgupta, Jiwei Li, Jiangtao Li, Shuangquan Liu, Hengchao Xu, Chuanxu Chen, Hongmei Jing, Hongzhou Xu, Jun Liu, Shunping He, Lisheng He, Shanya Cai, Shun Chen, Kaiwen Ta   +17 more
doaj   +1 more source

Multi-stage formation of the Feragen ophiolite, Norway: Implication from petrology and geochemistry of peridotites and chromitites and its potential for prospecting

China Geology
: The ultramafic massif of Feragen, which belongs to the eastern ophiolitic belt of Norway, has abundant amounts of chromite ores. Recent studies have revealed a complex melt evolution in a supra-subduction zone (SSZ) environment. This study presents new
Tian Qiu, Fa-hui Xiong, David G. Gee, Yuan Li, Jing-sui Yang   +4 more
doaj   +1 more source

Evolution Mechanism of Macromolecular Structure in Coal during Heat Treatment: Based on FTIR and XRD In Situ Analysis Techniques

Journal of Spectroscopy, 2019
Owing to the complexity and heterogeneity of coal during pyrolysis, the ex situ analytical techniques cannot accurately reflect the real coal pyrolysis process.
Dun Wu, Wenyong Zhang
doaj   +1 more source