2021-10-13 · At the Roble Target, a discovery campaign of 2,570m over 12 shallow RC holes was completed with broad zones of oxide mineralization encountered from surface, providing additional potential to grow ...
Copper mineralization occurs within the thick Cretaceous to Neogene sedimentary cover of central and northern Israel. Two distinct types of copper-rich anomalies are encountered. One form of copper mineralization is characterized by the presence of copper minerals such as malachite, atacamite, paratacamite, chrysocolla, and/or chalcopyrite ...
The seventeen holes were drilled at various orientations over an area of approximately 700m by 300m, and eight encountered notable oxide copper mineralization. Drill holes MER-03, MER-04, MER-06, MER-12, MER-16 and MER-17 in particular, intersected broad zones (approximately 50m downhole or more) of oxide copper mineralization commencing near ...
2021-10-21 · The mineralization encountered in the drill holes is primarily oxide gold and gold – copper mineralization from surface to depths of approximately 250 m. This near surface mineralization is primarily characterized by extensive zones of silica stockwork veining associated with hematite and jarosite as well as minor silica – pyrite veins.
2021-5-5 · Both drill holes encountered what is believed to be the downdip extension of mixed copper mineralization encountered in previous drilling. These drill holes include MAR-25 which intersected 106m at 0.58% CuT, MAR-29 with 90m at 0.55% CuT …
2021-3-8 · This copper oxide mineralization is defined by 39 drill holes totaling 3,984 metres (m) and represents an exploration target of approximately 20 - 35 million tonnes at 0.2 - 0.5% copper 1 (non NI 43-101 compliant). The presence of the oxide mineralization is important as it demonstrates the potential for the primary copper sulphide source to ...
Although traditionally referred to as "epigenetic" Cu-Au mineralization (e.g., Martinsson, 2004), many hydrothermal Cu-Au ± Fe ± Co ± Ag ± Mo occurrences in the Gällivare area and across Norrbotten have been assigned to the enigmatic "iron oxide copper-gold (IOCG)" class of deposits based on their geologic, structural ...
2021-12-13 · Drilling continues to expand high-grade copper-gold oxide mineralization that is hosted in a shallow dipping skarn body at the Montaña de Cobre zone. C3 Metals Inc. is a junior minerals exploration company focused on creating value for its shareholders through the discovery and development of large copper and gold deposits.
Unraveling Mineralization and Multistage Hydrothermal Overprinting Histories by Integrated In Situ U-Pb and Sm-Nd Isotopes in a Paleoproterozoic Breccia-Hosted Iron …
2021-6-15 · It also encountered a broad zone of 70m of oxide copper from 24m down hole with an average grade of 0.39% CuT (0.2% CuS) including 44m …
2021-12-14 · At the California target, where Aztec previously discovered extensive oxide porphyry gold-copper mineralization (drill intercepts up to 0.77 gpt …
The Rosemont deposit also contains oxide mineralization that was previously classified as waste, which may be able to be processed with the oxide mineralization at Copper World, further reducing costs and energy consumption per tonne of ore mined at Rosemont. Next Steps. Preliminary Economic Assessment on Track for the First Half of 2022
2022-1-2 · Hence, the structurally controlled high-grade mineralization that was encountered was never adequately followed-up on and thus represents a significant opportunity for Barksdale. Additionally, gold-dominant oxide mineralization as well as copper-gold sulfide mineralization has been encountered historically and requires additional investigation.
2021-9-8 · The seventeen holes were drilled at various orientations over an area of approximately 700m by 300m, and eight encountered notable oxide copper mineralization. Drill holes MER-03, MER-04, MER-06, MER-12, MER-16 and MER-17 in particular, intersected broad zones (approximately 50m downhole or more) of oxide copper mineralization commencing near ...
2021-12-6 · We have also identified copper-gold mineralization below both of the La Pava and Quemita gold-oxide pits, requiring additional follow-up work. We are excited with our progress to date and look ...
2021-3-9 · GS-21-122 encountered consistent gold and copper mineralization within the CS600 domain that returned 1.22 g/t AuEq (0.65 g/t Au and 0.45 % Cu) over 355.15 m, including an enriched portion that averaged 1.45 g/t AuEq (0.79 g/t Au and 0.53 % Cu) over 247.5 m.
2021-9-1 · 1. Introduction. The economic interest of iron oxide-apatite (IOA) deposits is due to their mineable quantities of magnetite, hematite and variable amounts of P, Cu, Au, Ag, REE, U, and Co ([6,42,102]).After the classification by, iron oxide–apatite deposits have gained exploration and research interest worldwide.These deposits show a wide variety of …
2021-12-14 · At the Adriana Zone, drilling results reported in January 2021 showed significant intercepts of copper mineralization, including 55.5 m of 0.72% copper (Cu), with 22.5 m @ 1.15% Cu (see news ...
2021-3-8 · Recent and historic holes at the asset in Pershing county "bottomed in significant copper grades below the copper oxide zones", the firm said. The company highlighted one hole for example that was sunk to 1,100 feet (ft) and encountered an intercept of 370 feet at a grade of 0.45% copper (Cu) from between 730 and 1,100 ft in the enrichment zone.
2011-5-30 · Well-developed copper oxide zones appear to form through two distinct mechanisms: (1) via substantial copper addition to a volume being oxidized, including the formation of exotic copper deposits, and (2) through in situ oxidation of a copper-bearing sulfide resource. Importantly, the first type of copper oxide system requires
2021-12-12 · Unraveling mineralization and multistage hydrothermal overprinting histories by integrated in situ U-Pb and Sm-Nd isotopes in a Paleoproterozoic breccia-hosted IOCG deposit, SW China. Economic Geology, 116(7): 1687-1710. 33) Su, J.-H., Zhao, X.-F. *, Li, X
2022-1-5 · The oxide copper mineralization is along the edge of the eastern magnetic low. A strong IP chargeability high is oriented southwest-northeast and the high-grade copper values in MMX-24 occur along the margins of the chargeability high. No drilling has been done to test this chargeability high.
2021-8-21 · Precambrian iron oxide copper-gold (IOCG) deposits are generally encountered with multistage hydrothermal overprints and hence have complex isotopic records. Precise dating of ore-forming and overprinting events and assessment of time-resolved ...
Thin films of copper oxides can be synthesized on substrates by using approaches that are inspired by microbial mineralization processes. In nature, precipitates of manganese and iron oxides with controlled oxidation states and crystal phases are produced through biomineralization by microorganisms.
Thin films of copper oxides can be synthesized on substrates by using approaches that are inspired by microbial mineralization processes. In nature, precipitates of manganese and iron oxides with controlled oxidation states and crystal phases are produced through biomineralization by microorganisms. …
2021-12-6 · We have also identified copper-gold mineralization below both of the La Pava and Quemita gold-oxide pits, requiring additional follow-up work," Simpson said. Shares of Orla Mining rose 3.8% by 12:10 p.m. in Toronto following release of the Caballito resource estimate. The company has a market capitalization of $1.4 billion.
2021-12-15 · Mining group Phoenix Copper said it had encountered further oxide mineralisation at its Empire mine open pit project in Idaho. Three shallow exploratory drill holes all encountered oxide mineralisation, including 18.3 metres of 0.61% copper and …