Results 21 to 30 of about 1,616 (199)
Large Igneous Provinces (LIPs) and Anoxia Events in “The Boring Billion”
Geophysical Monograph Series, Page 449-486., 2021 Exploring the links between Large Igneous Provinces and dramatic environmental impact
An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Shuan‐Hong Zhang +4 more
wiley +1 more source
Oksident, 2019 The question of whether the traditional Gospels provide reliable historical information is discussed currently by scholars in light of various scientific methods. This matter, however, was also on the agenda among some intellectuals of antiquity.
Zafer Duygu
doaj +1 more source
Open Geosciences, 2022 Discovery of the Siah Diq porphyry (Cu–Au) prospect in the foothill of Dam Koh volcano is a recent exploration success story of mineralization buried under a 46 m alluvium cover in an exploratory mature Chagai belt.
Khalil Yasir Shaheen +4 more
doaj +1 more source
Frontiers in Earth Science, 2023 The first part of this article can be found here: 10.3389/feart.2023.819129 (DOI). Occurrences of significant concentrations of platinum-group elements (PGE) in porphyry deposits have seen limited attention and the geochemical controls on their ...
Samuel J. Robb +3 more
doaj +1 more source
Solid Earth Sciences, 2017 The Beiya gold deposit is the biggest Cenozoic gold deposit in the Jinshajiang-Ailaoshan alkali-rich porphyry metallogenic belt within the Sanjiang region. Porphyry intrusions are widely distributed at the Beiya deposit. In this study, we investigate the
Xue-Quan Gao +4 more
doaj +1 more source
The content of copper and heavy metals in the multilayer soil mud from the Buchim lake under the Buchim mine's waste dump, Republic North Macedonia [PDF]
Tehnika, 2020 The intense mineral extraction in mining areas during the last several decades has produced a large amount of waste material and tailings, which release toxic elements to the environment.
Serafimovski Todor S. +2 more
doaj
Les Nouvelles de l’Archéologie, 2016 The recent excavations at Samut have confirmed the evidence of Agatharchides on the use of forced labour in the Ptolemaic gold-mines. On the other hand, there is almost no evidence for the presence of prisoners in the imperial quarries at Mons Claudianus
Hélène Cuvigny
doaj +1 more source
Affirmation and Negation: Reading Avicenna’s Al-‘Ibara Alongside Hellenistic Commentators [PDF]
Nazariyat: Journal for the History of Islamic Philosophy and Sciences, 2022 The relation of priority and posteriority between the affirmation and negation, which Aristotle put forth in Peri Hermêneias, has had some important consequences in terms of logical attribution and judgement.
E. Burak Şaman
doaj
An Introduction to Aristotle's Philosophy of Logic [PDF]
حکمت و فلسفه, 2008 The philosophy of logic is a posterior science, which examines the philosophical principles of logic as well as the matters derived from the logical debates.
gholamreza zakyani
doaj +1 more source
Shiyou shiyan dizhi, 2022 Large number of heterogeneous porphyry dolomites have been found in the 5th sub-member of the 5th member of Ordovician Majiagou Formation (M55 sub-member) in the central and eastern parts of Ordos Basin, and many drilled wells have shown good oil and gas
Huihong LIAO +7 more
doaj +1 more source