WebNov 17, 2014 · The Kepez porphyry was identified in geological mapping as a 1,600m x 900m quartz-feldspar porphyry of rhyolitic composition. The recent ground magnetic geophysical survey suggests an intrusive character to the porphyry and identifies it as a sub-volcanic stock located on a 5km diameter ring-structure occurring within a volcanic caldera. Web(iii) The local presence of Laramide aged intrusions, which are associated with all major porphyry copper deposits in Arizona. (iv) The structural association with local porphyry deposits and intrusions. Porphyry copper systems within Arizona are often subjected to significant post-mineral faulting and dismembering
EPITHERMAL LITHOCAPS, HIGH-SULFIDATION GOLD DEPOSITS, …
Web2 days ago · Superior says the results mark a significant breakthrough at Bottletree with confirmation of a copper and molybdenum mineralised system characterised by features typically recognised within the wall rocks near porphyry copper-molybdenum intrusions, extending from surface to a depth of at least 850m down-dip. WebApr 15, 2024 · The Tongchang–Chang’anchong porphyry deposit is hosted by Middle Silurian limestone and sandstone and spatially related to the quartz syenite porphyry intrusions (Figure 1c). The intrusions form stocks and dykes with outcrop areas of ~0.2 km 2 at the Tongchang ore zone and >0.18 km 2 at Chang’anchong ore zone, respectively . chuck taylor all star slip on sneakers
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Web17 hours ago · Hydrothermal deposits Hydrothermal mineral deposits are accumulations of valuable minerals which formed from hot waters circulating in Earth's crust through fractures Magma-related Close Close spatial and temporal relationships with magma / intrusions Pegmatite, greisen, porphyry, skarn, high-sulfidation and intermediate … WebCharacteristics of porphyry copper deposits include: The orebodies are associated with multiple intrusions and dikes of diorite to quartz monzonite composition with porphyritic textures.; Breccia zones with angular or locally rounded fragments are commonly associated with the intrusives. The sulfide mineralization typically occurs between or within fragments. WebGeneral geology of the Silver Strike Project by Tarku Resources: Arizona is an elephant country for porphyry deposits, being among the great… Liked by Geneviève Boudrias, P.Geo., M.Sc. Tarku Resources looked into the Apollo Gold Project after finding the presence of alkaline rocks, polygenic conglomerates, and porphyry intrusions… chuck taylor all star slips