Porphyry copper alteration zones

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August undefined, 2024

WebAuthors: Ashish Pathak, Dong-Jin Kim, Haragobinda Srichandan, Byoung-Gon Kim Abstract: Microbial depyritization of coal using chemoautotrophic bacteria is gaining acceptance as an efficient and eco-friendly technique. WebCopper-gold mineralization mostly occur in the potassic alteration zone within the contact of the intrusive body and its adjacent wall rock. The physical properties of minerals and …

Spectral characteristics of minerals in alteration zones

WebJun 22, 2015 · The key to porphyry exploration is the alteration of the surrounding rocks that occurred during the intrusion and mineralization. The so-called prophylactic folic and potassic alterations I spoke about. … WebJan 31, 2024 · The project studied the zones of advanced argillic alteration that can form a blanket of clay and aluminous-rich minerals above and around an economic copper-gold … in a chemical equation aq means

2024-04-11 TSXV:ENDR Press Release Enduro Metals …

WebThe size, grade and mineralogy of the Cerro Corona deposit are characteristic of porphyry copper-gold deposits which occur throughout the world. The alteration and mineralization at Cerro Corona represents a magmatic-hydrothermal system which chemically changed and collapsed over time resulting in intense overprinting alteration assemblages and related … WebApr 5, 2024 · The Casino deposit has Measured & Indicated Resources of 7.6 Blbs copper & 14.8 Moz gold and Inferred Resources of 3.1 Blb copper & 6.3 Moz gold (4) and is contiguous to the Company’s Betty property (see Figure 1). The Company is primarily targeting similar Casino-style porphyry mineralization on these early-stage projects. WebIdentification of hydrothermal alteration zones for porphyry copper and gold exploration using satellite remote sensing data . This study developed a new approach to extract geologic information for porphyry copper and epithermal gold exploration in the arid and semi-arid regions using combined satellite remotely sensed data from the Advanced … in a check where is the routing number

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WebApr 11, 2024 · have confirmed extensive dispersion of copper mineralisation at Bottletree. We expected large intervals in Holes 5, 6 and 10 to be barren, but instead, the holes demonstrated that low grade copper veining, typical of porphyry-altered wall rock zones, is present over almost the entire 933 metre, 732 metre and 1,065 WebFeb 28, 2024 · Identification of hydrothermal alteration zones of the Baogutu porphyry copper deposits in northwest China using ASTER data. Author(s): Nannan Zhang; Kefa … ina grafton gage st catharinesWebDetection of hydrothermal alteration zones (HAZs) associated with porphyry copper systems using remote sensing imagery is a crucial stage for discovering high potential … in a chemical change an object

"WebApr 11, 2024 · Reverse circulation drilling at the Hestia prospect within Astral Resources’ (ASX: AAR) wholly-owned Mandilla gold project has confirmed a high-grade gold zone extending over 300 metres outside of the current mineral resource. Global resources for Mandilla sit at 30 million tonnes grading 1.1 grams per tonne gold for 1.03 million ounces. " - Porphyry copper alteration zones

Porphyry copper alteration zones

Jocelyn Pelletier, P.geo - QP, Project Manager & Research …

Webdispersed magmatic-hydrothermal alteration and mineralization. Porphyry copper deposits are large (commonly hundreds to thousands of million tonnes) and low to medium in … WebApr 11, 2024 · The target is centered on an area of Fe-carbonate/calcite +- quartz-chalcopyrite stockwork veining and porphyry-style alteration typical of alkalic copper-gold porphyry systems. This area, similar in size and sharing features with the Main Zone and East Zone at Newcrest's Red Chris Mine, is located at the northeastern end of a 20km long …

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Webat Butte, Mont. and at several porphyry copper deposits (Sales and Meyer, 1948; Titley and Hicks, 1966; Meyer and Hemley, 1967; Meyer and others, 1968). Studies of alteration … WebFigure 4.20: Molar element ratio plots of different alteration assemblages. a) Mg-depletion, corresponding largely to samples with sodic-calcic and calcic alteration b) Ti-depletion corresponding to samples with sodic alteration. c) Ba-enrichment corresponding to samples with sodic, sodic-calcic and calcic alteration d) As-enrichment corresponding to samples …

Webto display only incipient copper enrichment unless an adjacent or eroded non-reactive source-rock volume was available to provide transported copper. For example, an eroding … WebThe Christmas copper deposit, located in southern Gila County, Arizona, is part of the major porphyry copper province of southwestern North America. Although Christmas is known …

WebThe presence of advanced argillic alteration is often used as an indicator of a mineral deposit, particularly in the case of porphyry copper and gold deposits. The clay minerals … WebApr 10, 2024 · TORONTO, April 10, 2024 (GLOBE NEWSWIRE) - Dundee Precious Metals Inc. (TSX: DPM) (“DPM” or “the Company”) today reported new assay results from its ongoing drilling program at the Čoka Rakita prospect in eastern Serbia, which extends the deposit to the east and also confirms and extends the high-grade zone. The Company also provided …

WebThe drone magnetic survey identified a "bullseye" magnetic anomaly, which is typical of large copper-gold ("Cu-Au") porphyry deposits. This anomaly is centered on a 2.5km copper and gold anomaly in outcrop at North Toe, creating a new priority target for future drilling. Highlights of today's announcement:

WebMost of the significant porphyry copper deposits in Peru that are now mines or in advanced stages of development are located in the south. ... The zone of advanced argillic alteration is located ~400 m from the outcropping La Arena Cu-Au porphyry, with gold-mineralized advanced argillic ... in a chemical compound there are 3 parts zincWebPORPHYRY COPPER SYSTEMS Exploring and understanding porphyry copper systems Modified magmatic - hydrothermal breccias model after (Baker… in a chemical equation the sum of the massesWebApr 11, 2024 · Field crews have discovered conspicuous copper and molybdenum in outcrop (refer to Figures 2-5) where the mineralized rock is a porphyritic diorite that displays intense, pervasive biotite ... in a chemical equation product is on the leftWebAug 25, 2024 · In this study, ASTER image data are used for recognizing and extracting alteration zones in Varzaghan area, northwestern Iran is located in the northern part of the Cenozoic Urumieh–Dokhtar magmatic arc. This belt was formed by subduction of the Arabian plate beneath central Iran during the Alpine orogeny and hosts many porphyry … in a chemical equation the arrow meansWeb2 days ago · one has a jorc copper porphyry resource to be mined in 2028 and the other has a potential porphyry ... with a high-grade molybdenum discovery and confirmation of a large porphyry-style alteration. ... My decisions are of course based on probability, not certainty. Support is lying in this zone at present IMO. If it is ... ina grm grm tools completeiiWeb2 days ago · The skarn alteration does not appear to be related to either the Tinto Zone to the west, or the previously identified porphyry mineralization at the Rose Zone to the east, … ina grothWebRegional zones of propylitic alteration are indicative of convective fluid flow systems (Masterman et al., 2005). 2.2.4 Depositional processes Mechanisms for ore deposition in the porphyry-epithermal mineral … ina grafton nursing home