Results 31 to 40 of about 764 (186)
China Geology: Porphyry Cu (Mo-Au) deposit is one of the most important types of copper deposit and usually formed under magmatic arc-related settings, whilst the Mujicun porphyry Cu-Mo deposit in North China Craton uncommonly generated within intra-continental ...
Fan Yang +6 more
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Geofluids, 2022 The Duobaoshan Cu (Mo) deposit is one of the oldest super large porphyry deposits in the eastern part of the Central Asian orogenic belt. Although ore-forming processes have been extensively concerned, the post-mineralization ore preservation state was ...
Yaxing Leng, Jianping Wang, Dewen Zheng
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Archaeometry, EarlyView.ABSTRACT This study shows an innovative approach to determine the origin of some Calabrian rocks quarried used in ancient times. Twenty‐five quarries, distributed in all the Calabrian provinces (Southern Italy), were studied and sampled. Ten samples were taken from each quarry, for a total of 250 samples.
Domenico Miriello +5 more
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Applied SciencesPorphyry and the associated skarn-type deposit is one of the most important types of ore deposits worldwide, which usually exhibit significant zoning of mineralization-alteration, but the research on element migration in these mineralization-alteration ...
Fei Liu +4 more
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JGEET: Journal of Geoscience, Engineering, Environment and Technology, 2018 Porphyry copper-gold deposit commonly exhibits an extensive alteration zone of hydrothermal micas particularly biotite and sericite. This study is aimed to analyze and utilize the chemistry of halogen fluorine and chlorine of biotite and sericite to be a
Arifudin Idrus
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Talc‐Tempered Pottery From Bala Hissar, Kabul: An Analytical Study
Archaeometry, EarlyView.ABSTRACT Potsherds of cooking ware excavated at Bala Hissar archaeological site in Kabul were studied using X‐ray fluorescence (XRF), scanning electron microscope‐energy dispersive X‐ray spectrometry (SEM‐EDS), Raman spectroscopy, X‐ray powder diffraction (XRPD), thermogravimetric analysis (TGA) and optical microscopy.
Parviz Holakooei +4 more
wiley +1 more source
Archaeometry, EarlyView.ABSTRACT The object of this study consists of an archaeometric investigation of Early medieval Forum Ware glazed ceramics found in the central archaeological area of Rome, a significant chronological and economic marker for 8th–11th centuries. Instrumental analysis included digital microscopy, ESEM‐EDS imaging, EDS spectral analysis, EMPA quantitative ...
Martina Bernardi +2 more
wiley +1 more source
Yankuang ceshi, 2015 The Jiangxi Lengshuikeng ore field, characterized as porphyry deposits and volcanic sedimentary hydrothermal reworking deposits, is one of the major Ag-Pb-Zn ore concentration areas in Wuyi Mountain area.
YU Ming-gang +7 more
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Comparisons Ancient and Modern: Was Cyril of Alexandria a Good Reader of Paul?
International Journal of Systematic Theology, EarlyView.Abstract Cyril of Alexandria is the final stop on Michael Magree's analysis of the patristic interpretation of Pauline kenosis, serving as the culmination of the historical arc he surveys. Although Magree is careful to avoid overtly judging the success of various interpreters as readers of the Apostle, it is clear that he finds Cyril's appropriation of
Matthew R. Crawford
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A Machine Learning Zircon Trace Element Tool to Predict Porphyry Deposit Type and Resource Size
Journal of Geophysical Research: Machine Learning and ComputationPorphyry deposits are primarily known for their association with base metals like copper and to some extent molybdenum and gold. Here we present machine learning models, based on zircon composition, that provide quantitative distinction between different
Zi‐Hao Wen +6 more
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