Minerals | Free Full-Text | Electrical Prospecting of Gold
One of the targets coincides with a sulfide-rich exhalative horizon (VMS), while the last target occurs in the occurrence area of metaultramafic rocks, where gold mineralization occurrences …
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Electrical Prospecting of Gold Mineralization in Exhalites of …
The gold occurrences associated with the volcanogenic massive sulfide (VMS) deposits in the region are documented only in the volcanoclastic rocks of the Digo-Digo Formation, Serra de Santa Rita ...
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Route 109 Launches Major Drill Program at Dunlop Bay VMS and Gold
Route 109 Resources (TSXV: RTE) (OTCQB: MRIRF) has initiated a 3,000 to 4,000 m drill program at its Dunlop Bay project, targeting both Volcanic Massive Sulphide (VMS) and gold mineralization. The winter exploration program includes an electromagnetic borehole survey to model additional conductive plates for new VMS discoveries.
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[PDF] VOLCANOGENIC MASSIVE SULPHIDE …
Volcanogenic massive sulphide (VMS) deposits, also known as volcanic-associated, volcanic-hosted, and volcanosedimentary-hosted massive sulphide deposits, are major sources of Zn, Cu, Pb, Ag, and Au, and significant sources …
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Anteros Metals: Leading the Way in Mineral …
Anteros Metals (CSE:ANT) is a dynamic multimineral exploration company leveraging modern data science methodologies to systematically advance its projects across Newfoundland and Labrador, Canada ...
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Meridian Mining Reports High-Grade Assay Results & New …
The Cabaçal Mineral Resource estimate consists of Indicated resources of 52.9 million tonnes at 0.6g/t gold, 0.3% copper and 1.4g/t silver and Inferred resources of 10.3 million tonnes at 0.7g/t ...
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ZTEM™ and VTEM™ Airborne EM and Magnetic …
Presented at Manitoba Mining and Minerals Convention, Lalor Symposium, November 2014. For a PDF of this paper click here Summary. In late March, 2007, soon after the drill discovery of the Lalor VMS deposit, …
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Kerkasha Exploration License – Eritrea – Alpha Exploration
Six (6) Artisanal gold mining Prospects identified. ... (VMS) copper-zinc-gold deposit. – (Jebel Ohier Type) Porphyry copper-gold deposit. Historic Exploration & Mining of Kerkasha License Area. ... A heli-borne combined Versatile Time Domain Electromagnetic (VTEM)/Radiometric/Magnetic survey over the entire License Area. ...
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Electrolytic Gold Extraction
By the ordinary balance, only weighing to 0.2 m/g, the difference between the weight of the gold obtained and by assay was 0.12 oz. per ton which amounted to an extraction of 80 %, of gold present, chemical tests did not show even a trace of gold in the electrolyte. Concluding the Electrolytic Extraction of Gold
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EnviroGold Global Develops Solution for Extraction of …
Company's extraction "pathway" for refractory VMS tailings shows recoveries as high as 59% for gold and up to 90% for silver. ... Extraction of gold would thus require near-total dissolution of the sulphide minerals. Under the direction of EnviroGold Global's technical team, the test work carried out at Core's metallurgical facility ...
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Borehole geophysics for Gold-Copper Rich VMS | Abitibi …
Gold-Copper Rich VMS Deposit – Readily detecting conductive massive sulfide lenses and chargeable alteration zones through borehole geophysics ... The Obalski property is in the prolific Chibougamau mining camp of Québec. Discovered in 1928, exploration and mining has been going on ever since. The Obalski property is in the Lac Doré complex ...
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A CASE STUDY on the use of VLF, Magnetics and …
time domain electromagnetic and magnetic data. In particular, the survey was for the purpose of identifying and predicting the extension of a stress zone known to contain gold deposits. The …
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Meridian Mining SE (MNO) | Meridian Reports Significant VMS Gold …
Meridian Mining announces discovery of significant gold-rich VMS system at Santa Helena deposit, showing high-grade gold mineralization with strong assay results. Drill intersection CD-605 indicates open potential for further extensions ... Meridian Mining UK announced a notable high-grade gold-rich Volcanogenic Massive Sulphide (VMS) drill ...
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Meridian Mining Announces Upsize of Non-Brokered Private …
The Cabaçal Mineral Resource estimate consists of Indicated resources of 52.9 million tonnes at 0.6g/t gold, 0.3% copper and 1.4g/t silver and Inferred resources of 10.3 million tonnes at 0.7g/t ...
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Route 109 Commences Winter Drill Program at Dunlop Bay Targeting VMS
In addition to the drilling program, the winter exploration program will also include an electromagnetic borehole survey. This survey will provide important data for modelling additional conductive plates for any new VMS discoveries. Figure 1: Regional Geology of Dunlop Bay property. References: Fenelon, GM1632, and GM05804
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Airborne Electromagnetic Survey over the Touro Copper VMS …
Electromagnetic (EM) methods belong to the main geophysical techniques used in the mineral exploration of massive sulphides. For selecting EM anomalies as possible massive sulphide targets, it is important to combine the geophysical results with other geological and/or geochemical techniques. In 2015, Atalaya Mining started a new mineral exploration project in …
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Patronus unveils Cardinia's base metals potential
The Cardinia Project, located near Leonora in Western Australia, hosts multiple anomalies indicative of volcanogenic massive sulphide (VMS) mineralisation along favourable horizons. Patronus, which has a market capitalisation of $88.41 million, recently completed an induced polarisation (IP) geophysical survey, mapping and geochemical sampling ...
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ZTEM and VTEM airborne EM and magnetic results over the …
Abstract The 14.4-Mt Lalor copper-zinc-gold deposit situated in the Flin Flon Greenstone Belt of north-central Manitoba is large but deeply buried and was discovered using deep penetrating ground fixed-loop time-domain electromagnetic (EM). Results from three different airborne EM surveys over a five-year span permit comparisons of the system responses over the Lalor …
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Harvest
EAM, through its Ethiopian subsidiary company Harvest Mining PLC, has received a mining licence for the Terakimti Gold Heap Leach Project. Multiple Trends of Copper-Gold-Silver-Zinc. The Harvest Project contains multiple trends of copper-gold-silver-zinc rich VMS systems and numerous artisanal bedrock gold workings on its three exploration ...
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Electrical Prospecting of Gold Mineralization in …
The objective of this work is to discuss the efficiency of the induced polarization methods in the time and frequency domains for differentiating and identifying potentially mineralized zones in...
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Venture Minerals discovers second new VMS target at
Venture Minerals Limited (ASX: VMS) has announced a highly encouraging update on its Golden Grove North project in Western Australia. The company announced that a second new Volcanic Massive Sulfide (VMS) target has been discovered along strike of the world class Golden Grove Zinc-Copper-Gold Mine. Venture Minerals said that the new target, identified within the […]
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Nine Mile Metals
The BMC represents a premier jurisdiction for VMS exploration and mining. VMS deposits in the BMC formed 470 million years ago during intense volcanic activity on the seafloor. Metal-rich hydrothermal fluids precipitated massive sulfide mineralization near volcanic vents, forming polymetallic (copper-lead-zinc-silver-gold) deposits.
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Difference Between SEDEX and VMS Deposits
What are the Differences Between SEDEX and VMS Deposits and how the VMS and SEDEX deposits fit into the overall scheme of things. You remember that nature concentrates the metals by a process of partially melting crustal rocks at depth, letting the metal rise through the crust and cool, dumping the valueless material such as feldspar and amphibole on the way …
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7. Geophysical Characteristics of Volcanogenic …
sulfide deposits. Some types of VMS deposits are typically associated with reducing sediments. Noneconomic pyrite-rich or pyrrhotite-rich deposits are not distinguishable from poten-tially economic deposits, so conductivity and other electro-magnetic techniques are not fully definitive exploration tools in and of themselves.
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Mineral Deposits and Occurrences in the Arabian–Nubian …
The potential for gold in a large-scale gold mining (LSGM) locality in the South Abu Marawat area is investigated using a geological field investigation that includes rock sampling, structural ...
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Kjøli High-Grade Copper VMS Project
Targeting High-Grade Copper-Rich VMS Deposits in the northern Røros Mining District, Norway. Capella's Kjøli copper-zinc-cobalt ("Cu-Zn-Co) massive sulfide ("VMS") project represents a district-scale land position in the northern part of the Røros copper mining district, central Norway. ... Zinc, Silver, Gold: Access: All weather ...
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Sun Peak Metals to Continue Next Phase of Work on the …
Detailed Ground Deep Time Domain Electromagnetic (DTEM) surveys scheduled for January to refine drill location targeting. Proven VMS Belt: Located in a district-scale VMS …
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Geophysical Characteristics of Volcanogenic Massive Sulfide …
Electromagnetic surveys can identify bedrock anomalies related to VMS deposits, due to the high conductivity of sulphide minerals (pyrite, pyrrhotite, chal copyrite) relative to typical host rocks
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Exploring for Magmatic Ni-Cu-PGE Ore Bodies with …
About the Author(s) Circé Malo-Lalande graduated from Laval University in Geological Engineering (2001) and received a Masters degree for her work with time-domain electromagnetics for magmatic nickel deposits at École Polytechnique de Montréal (2003). Since 2003, she has played many roles in the mining industry, developing a wide range of experience …
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Case Studies of Magnetic and Electromagnetic Techniques …
Magnetic and electromagnetic techniques have a long history of application in mineral exploration to detect deposits and their surroundings. Their implementation over the last fifteen years has been affected by strong variations in the mining market in parallel with important technological developments. During this period, both methods were the subject of numerous …
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