Results 21 to 30 of about 9,387 (221)
THE RAVENSWOOD GRANODIORITE [PDF]
Annals of the New York Academy of Sciences, 1912 n ...
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Design Optimization and Application of Hybrid Bit to Reduce a Well Cost in Geothermal Field
Journal of Earth Energy Engineering, 2020 Hybrid bit is one of the innovations developed for very hard and abrasive formations such as in geothermal field. This bit eliminates the risk of losing cones, reduces tripping time, and increaseas ROP to reduce the well cost.
Muhammad Taufiq Fathaddin +2 more
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地质科技通报, 2021 Jilongshan copper-gold deposit is located in the Jiurui metallogenic district in the middle and lower Yangtze River metallogenic belt. Cu-Au mineralization of Jilongshan deposit is closely related to granodiotite porphyry. The petrogenesis of the rock is
Xiaofei Zhan, Junhao Wei
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Open Chemistry, 2022 Granite rocks are currently one of the foremost raw materials that can be used for various economic purposes such as ornamentation and building materials, because they do not possess radioactive concentrations and have good physical and mechanical ...
Awad Hamdy A. +10 more
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Igneous breccia system of the Shand porphyry Cu-Mo deposit, Northern Mongolia
Mongolian Geoscientist, 2022 The Shand Cu-Mo deposit is located in the Orkhon-Selenge depression, Northern Mongolia. It lies near the Erdenetiin Ovoo porphyry Cu-Mo deposit, which together define one of Northern Mongolian’s most economically significant metallogenic belts.
Bayaraa Ganbat +5 more
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Structure of a Variscan migmatite-granite transition zone (N Sardinia, Italy)
Journal of Maps, 2023 This paper presents the structural map of the Barrabisa Complex, an E-W ribbon-like migmatitic massif exposed in the northern part of Sardinia. The migmatites consist of metatexites and diatexites with variable melt proportion, grading in the central ...
M. De Luca +5 more
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Hydrophobic Coatings Based on Zinc Oxide Nanoparticles for the Protection of the Granodioritic Sphinx Statue at the Open-Air Museum of Kom EL Dikka, Alexandria, Egypt [PDF]
International Journal of Multidisciplinary Studies in Heritage Research, 2023 The research paper aims to study the use of zinc oxide nanocomposites to protect the granodiorite sculptures exposed to outdoor conditions. Protecting stone cultural heritage is a major challenge due to ongoing exposure of stone materials to complex ...
Moshira Hamad
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Modulus of Elasticity of Concretes from Polish and Ukrainian Crushed Aggregates from Igneous Rocks
Budownictwo i Architektura, 2014 Test results concern modulus of elasticity and compressive strength of ordinary concretes made of various coarse aggregates from igneous rocks. Test results of some properties of these aggregates (3 crushed granites, 3 basalts, granodiorite, natural ...
Waldemar Budzyński +3 more
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Applied Sciences, 2023 Long-term erosion of granite—a type of hard rock—by hydrothermal fluids and tectonic movement can lead to a fragmentation of the internal structure of the original rock, transfer/replacement of mineral elements, and alteration of the rock’s basic ...
Tong Wu +4 more
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Structure of the Castellaccio Pluton (Asinara Island, Italy)
Journal of Maps, 2018 This paper illustrates the geological and structural map (scale 1:10,000) of the Castellaccio Pluton (Asinara island – Italy), a peraluminous granodioritic intrusion of Variscan age that belongs to the Corsica-Sardinia Batholith. This small pluton, about
Stefano Cuccuru +3 more
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