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josemaría copper-gold project |josemaría resources inc

The climate in the project area is dry to arid and the temperatures are moderate to cold. Annual precipitation is about 250 mm. Exploration fieldwork is generally carried out from mid-October to early May. It is anticipated that mining operations would be conducted year-round, as at other mines operating in this environment

The copper-gold mineralization at Josemaria is mostly hosted by a Miocene porphyry system which forms an elongated body with minimum dimensions of 800 to 900 m north-south, 600 to 700 m east-west and 600 to 700 m vertically. The porphyry has been dated at approximately 24.7 Ma. The deposit is centered on a composite porphyry stock, which intrudes rhyolitic volcanic and tonalitic plutonic rocks of Permo-Triassic age. The earlier, more intensely quartz- ± magnetite-veined porphyry phases and nearby wall rocks display a telescoped sequence of alteration-mineralization zones, from shallow advanced argillic (mainly quartz-pyrophyllite) and underlying sericitic to deeper chlorite-sericite and remnant potassic; all of which are mineralized. The outermost parts of the copper-gold-zone are overlapped by a pronounced molybdenum-bearing zone

The deposit was partially exposed by erosion, and then covered by post-mineral sedimentary and volcanic rocks. A north-trending, post-mineral fault zone has localized an economically important zone of high-grade copper mineralization hosted in supergene chalcocite enrichment in the northern part of the deposit

josemaría copper-gold project |josemaría resources inc

Josemaria is a grass roots discovery made by Josemaria Resources Inc. (formerly NGEx Resources Inc., “NGEx”) during the initial drilling campaign in 2004. The first hole drilled encountered 280 metres grading 0.61% copper and 0.51 g/t gold, clearly indicating that a significant copper-gold deposit had been found

Work programs conducted at Josemaria include geological mapping; soil, rock-chip, and talus sampling; a number of geophysical surveys including induced polarization (IP)–resistivity, magnetometer, and Mount Isa Mine’s Distributed Acquisition System methodology (MIMDAS) surveys; reverse circulation (RC) and core drilling, and Mineral Resource estimation. A number of environmental baseline studies have also been undertaken

drilling starts at donovan 2 copper gold project | global

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Save to read list Published by Will Owen, Deputy Editor Global Mining Review, Monday, 01 March 2021 11:15

Alien Metals Ltd has announced that the first drill hole of the maiden drilling program at the Donovan 2 copper gold project in Mexico started on Thursday 25 February 2021, funded and managed by Capstone Mining Corp (Capstone) as per the Earn-in Agreement signed last year

Pursuant to the terms of the Earn-in Agreement, Capstone can acquire a 65% interest in Donovan 2 through committed expenditure and cash payments totalling approximately US$3.9million. Capstone can move to an 80% interest in the project through free-carrying Alien to completion of a prefeasibility study

drilling starts at donovan 2 copper gold project | global

The core of the work carried out by Capstone in late-2020 was to complete a detailed close spaced surface induced Polarisation (IP) geophysical survey across the majority of the tenement, as announced by Alien on 13 November 2020, to both add infill detail to the northern anomaly already defined by Alien and as an extension to historic geophysical work undertaken by the Company. This work was successfully completed in December 2020, with the final reporting and interpretation now being completed leading to the start of this maiden drilling program

Drilling will initially test the Los Alomos target in the water well area, located in the northeast central area of the tenement and then move to the Cerro de la Cruz target located in the northwest area of the tenement

about the project - king-king mining project

Exploration for minerals in the King-king area of Pantukan town has been ongoing since the early 1970s, and the area has experienced significant unauthorized small-scale mining since the early 1980s. Since then, a variety of studies and drilling activities have confirmed the presence of a gold-rich porphyry copper deposit that is among the largest in the Philippines

Located in the King-king barangay of Pantukan town, the project is 90 kilometers/55 miles east of Davao City on the island of Mindanao. The King-king Copper-Gold Project is part of a Mineral Production Sharing Agreement (MPSA) between the Philippine government and Nationwide Development Corporation (NADECOR), based in Manila. St. Augustine Copper-Gold Ltd (SAGCL), based in Spokane, Washington, USA, is managing the technical aspects of the project. SAGCL is responsible for the overall development and operation of the King-king Copper-Gold Project as they earn increasing ownership in the project through expenditures associated with the completion of a feasibility study

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