Results 41 to 50 of about 351,119 (215)

Metallogeny in the Bangong–Nujiang belt, central Tibet, China: A review

open access: yesFrontiers in Earth Science, 2023
The Bangong–Nujiang metallogenic belt consists of scattered Tethyan oceanic blocks, mainly distributed underneath the margins of the Qiangtang and Lhasa terranes in central Tibet.
Yang Song   +6 more
doaj   +1 more source

Neural Networks and Multivariate Analysis Based on Geochemical Data to Determine Stone Provenance From Ancient Calabrian Quarries (Southern Italy)

open access: yesArchaeometry, 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
wiley   +1 more source

Origin of the Oligocene Tuolangla porphyry-skarn Cu-W-Mo deposit in Lhasa terrane, southern Tibet

open access: yesChina Geology, 2020
: Although some porphyry-skarn deposits occur in post-collisional extensional settings, the post-collisional deposits remain poorly understood. Here the authors describe the igneous geology, and mineralization history of Tuolangla, a newly-discovered ...
Yong Huang   +7 more
doaj   +1 more source

The copper polymetallic deposits and resource potential in the Tibet Plateau

open access: yesChina Geology, 2021
: Many large and super-large copper deposits have been discovered and explored in the Tibet Plateau, which makes it the most important copper resource reserve and development base in China. Based on the work of the research team, the paper summarizes the
Ju-xing Tang   +17 more
doaj   +1 more source

Talc‐Tempered Pottery From Bala Hissar, Kabul: An Analytical Study

open access: yesArchaeometry, 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

Insights from Molybdenum Isotopes into Rhenium Enrichment in Porphyry Mo Deposits: Evidence from the Shapinggou Deposit, Eastern China

open access: yesGeosciences
Rhenium (Re) is a critical metal indispensable to high-technology manufacturing, defense, and new energy industries. Molybdenite in porphyry deposits is one of the most important hosts of economically recoverable Re.
Wanping Ma   +3 more
doaj   +1 more source

The Making of Forum Ware: A High‐Resolution Archaeometric Study of Early Medieval Glazed Pottery From the Templum Pacis (Imperial Forum, Rome)

open access: yesArchaeometry, 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

Magmatic Controls on Metal Endowments of Porphyry Cu-Au Deposits

open access: yes, 2021
This overview illustrates the processes controlling magma fertility in the formation of porphyry Cu-Au deposits. Magma fertility means all magmatic parameters (e.g., metal and volatile contents, magma and fluid volumes) that might result in higher ...
Chiaradia, Massimo
core   +1 more source

Comparisons Ancient and Modern: Was Cyril of Alexandria a Good Reader of Paul?

open access: yesInternational 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
wiley   +1 more source

The roles of surface processes in porphyry copper deposit preservation [PDF]

open access: yesEarth Surface Dynamics
Porphyry copper deposits typically originate within subduction zones at 2–5 km depths. These deposits are exhumed due to the influence of tectonic forces and climate-driven erosion.
B. Hadler Boggiani   +3 more
doaj   +1 more source

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