Results 11 to 20 of about 1,616 (199)

A Comparison between the Pagan and Christian Apologies for Holy Images [PDF]

open access: yesحکمت و فلسفه, 2021
This paper is going to draw a comparison between pagan and Christian apologies for holy images. To this end, after giving a general history of the issue, the most important criticisms made of the images and veneration of them will be briefly considered ...
Alireza Esmaeilzadeh Barzi
doaj   +1 more source

Block Caving Mining Method: Transformation and Its Potency in Indonesia

open access: yesEnergies, 2022
The block caving mining method has become increasingly popular in the last two decades. Meanwhile, Indonesia has several potential ore bodies which have not yet determined suitable mining methods.
Sari Melati   +7 more
doaj   +1 more source

Antyczna tradycja o Pitagorasie z Samos jako twórcy fizjonomiki [PDF]

open access: yesStudia Antiquitatis et Medii Aevi Incohantis, 2023
(The ancient tradition concerning Pythagoras of Samos’ role as the founder of physiognomy): This paper collects and analyzes ancient sources that refer to Pythagoras of Samos as the founder of physiognomy.
Radosław Domazet
doaj   +1 more source

Chlorite geochemical vectoring of ore bodies: a natural kind clustering approach

open access: yesFrontiers in Earth Science, 2023
Chlorite has long been considered a mineral group likely to have different trace element chemistry with proximity to mineralization, and therefore can be used to vector towards ore bodies.
Nicole Freij   +3 more
doaj   +1 more source

Particular and Universal in Isagoge [PDF]

open access: yesJournal of Philosophical Investigations
Porphyry's work titled Isagoge is commonly seen as an analysis of Aristotle's Categories, focusing on universal concepts, with the five predicables considered as different types of universals.
Amirhossein Saket
doaj   +1 more source

The Alteration and Mineralization Characteristics of Miocene Porphyry Cu-Au Deposits of Chagai Magmatic Belt, District Chagai, Balochistan, Pakistan

open access: yesInternational Journal of Economic and Environment Geology, 2021
Subduction related Miocene porphyry type deposits are found in the east-west trending Chagai magmatic belt (CMB) in Pakistan's western margin, Balochistan.
Fida Murad, Abdul Ghaffar, Innayat Ullah, Abdul Shakoor Mastoi, Muhammad Tariq Zaman
doaj   +1 more source

Isotopic Composition and Alteration Characteristics of Dacite Porphyry, and Their Prospecting Significance in the Dabaoshan Copper Deposit of Guangdong Province

open access: yesYankuang ceshi, 2020
BACKGROUND The main types of copper deposits are porphyry and skarn types. Dacite porphyry is a rock type commonly developed in the porphyry Cu-Mo-Au system.
ZHAO Chen-hui   +8 more
doaj   +1 more source

Characteristics of Selected Physical and Mechanical Properties as well as Chemical Composition of Aggregates based on: Steel Slags, Porphyry and Diabase [PDF]

open access: yesArchives of Civil Engineering, 2020
This paper presents the results of tests of selected physical and mechanical properties as well as the chemical composition of two types of natural aggregates: porphyry and diabase, as well as artificial aggregate based on steel slags.
Iwona Jonczy   +3 more
doaj   +1 more source

Lithological and Hydrothermal Alteration Mapping of Epithermal, Porphyry and Tourmaline Breccia Districts in the Argentine Andes Using ASTER Imagery

open access: yesRemote Sensing, 2018
The area of interest is located on the eastern flank of the Andean Cordillera, San Juan province, Argentina. The 3600 km2 area is characterized by Siluro-Devonian to Neogene sedimentary and igneous rocks and unconsolidated Quaternary sediments ...
Francisco J. Testa   +3 more
doaj   +1 more source

Quantifying Hydrothermal Alteration: A Review of Methods

open access: yesGeosciences, 2018
Hydrothermal alteration is proximal to many base and precious metal deposits, and its products can provide insights into the characteristics of hydrothermal systems.
Lucie Mathieu
doaj   +1 more source

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