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exploratory drilling for evidence of zinc and lead ore in

Discovery Metals Announces High-Grade Channel Samples From

Zinc occurs primarily as oxides and lead and silver are mainly found in a calcite-galena stockwork. Mineralization is exposed in a zone about 1km long and 300m in width, plunging under alluvial ...

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ZINC-LEAD-COPPER: Osisko drills multiple high grade zones at Key Anacon

Step-out hole, KAMZ-18-15, drilled 100 meters to the northwest of the Main zone deposit, intersected 5.30 metres grading 14.87% zinc, 5.71% lead, 0.01% copper and 294.92 g/t silver and 7.0 metres of 9.85% zinc, 3.82% lead and 126.14 g/t silver.

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Canada Zinc Metals: M&A play with tight Zinc supply: "No more ore at ...

Canada Zinc Metals: M&A play with tight Zinc supply: "No more ore at Century" czx.v, lun.to, tnr.v, bwr.to, cs.to, imn.to, ncu.to, tko.to, wrn.to, qux.to, rio, bls.to, tck We had a very interesting action in Canada Zinc Metals shares last couple of weeks. Company share price had a break out to the upside from a consolidation pattern on the ...

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Boliden Summary Report

Boliden Tara Mines is an underground zinc and lead mine producing 2.6 million tonnes per ... 1990s Exploration drilling discovers SWEX - south west extension raising the total ... increasing holdings 2004 Acquired by Boliden 2012 Discovery of Tara Deep, SE of the main ore body following exploration drilling of a seismic anomaly. 2017 ...

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5 000 m drill programme under way at diamond mine

Lesedi group CEO Gordon Hogan adds that Lesedi Drilling has several of these LM90 drills available, noting that they have been modified by the original- equipment manufacturer to drill in confined...

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Exploration Risk Analysis - Burgex Mining Consultants

May 21, 2021Broadly speaking, the stages of exploration are as follows: Prospecting - desktop study and the physical searching for a mineral deposit in the field Geological, geochemical, and geophysical surveys - searching and evaluating a deposit on the surface Drilling - evaluating a deposit below the surface

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Americas Gold and Silver Surpasses Exploration Target at the Galena ...

Americas Gold and Silver Corporation (TSX: USA) (NYSE American: USAS) ("Americas" or the "Company"), a growing North American precious metals producer, provides an update to its Mineral ...

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Boliden expands its exploration portfolio | Euromines

The mine will be able to produce at least 2.5 Mtpa of ore. There is also field exploration ongoing in Bergslagen and the acquired knowledge now starts to generate new potential target areas. The exploration in the region indicates great potential for several different mineralization types, containing zinc, lead, silver and copper as the main ...

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Exploratory Drilling Program of The U. S. Geological Survey for ...

EXPLORATORY DRILLING PROGRAM OF THE U. S. GEOLOGICAL SURVEY FOR EVIDENCES OF ZINC-LEAD MINERALIZATION IN IOWA AND WISCONSIN, 1950-51 By Alien F. Agnew, Arthur E. Flint, and John W. Allingham Prepared in cooperation with the Wisconsin Geological and Natural History Survey Washington, D. C., 1963

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The ASIA Miner - MMG finds copper at Croziers Dam

It also has development projects including Dugald River, a high-grade zinc-lead-silver deposit in northwest Queensland, and the Izok Corridor base metals project in northwest Canada. Tags: gold copper joint venture mmg iron ore exploration south australia olympic dam mineralization havilah resources croziers dam

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Ascendant Resources Inc. - Ascendant Resources Announces Updated ...

NEW RESOURCE UPDATE BY MICON COMBINES CENTRAL AND SOUTH ZONES OF THE VENDA NOVA DEPOSIT INTO A LARGER SINGLE DEPOSIT BASED ON FURTHER 50M STEP OUT DRILL HOLE THAT INTERCEPTED STRONG MINERALIZATION NOTABLE INTERCEPTS INCLUDE 36M @ 1.20% CUEQ AND 5.0M @ 2.68%CUEQ AT THE NORTH OF THE SOUTH ZONE BRIDGING THE CENTRAL AND SOUTHERN ZONES EVIDENCE OF LARGE VOLCANIC MASSIVE SYSTEM DEMONSTRATED BY ...

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Analyst view: Assessing zinc's place in the base metals boom

The company has been running drill programs at Gorno - its brownfields zinc project in northern Italy where it holds exploration licences through to 2026. Drill results in 2021 revealed more high-grade mineralisation at the site, at which point AZI completed an additional $3.75m capital raise in late March.

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Connemara Mining provides exploration update for two Ireland ...

Results from TC-1991-003 provided 0.3% zinc and 0.09% lead at 725-726m (1m), from the Top Micrites of the Navan Group. Teck has earned 65% holding in the block, and continues advancing the Oldcastle ground as part of the North Midlands zinc exploration programme where the target is a Navan style zinc/lead orebody.

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PUR finds more evidence of SEDEX style zinc-lead at Bluebush - Finfeed

This hole is interpreted to be positioned in the same sub-basin as an historical drill hole which returned 11 metres grading 2.3 per cent zinc and 0.1 per cent lead. Drilling operational issues prevented sampling of a 12 metre interval of the third drill hole from the basement interface at 163 metres until 175 metres downhole depth.

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Mount burgess - Kihabe Zinc Lead Silver Project, Botswana Placement and ...

Relatively inexpensive drilling program. With a maximum depth of 60m (Figure 1b) and anticipated average depth of 48m, drilling vertical drill holes, the investment in HQ diamond core driling is relatively small given the amount of contained zinc, lead and silver that could be defined. Near surface, shallow mineralization.

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Tier One Silver Inc. | News Releases

An analysis of vein geochemistry across the property has demonstrated concentric zonation with copper-lead-zinc zoning outward into lead +/- copper and then zinc +/- lead in the peripheral zone (Figure 5). This geochemical zonation is consistent with porphyry systems and the central copper-lead-zinc zone would be the primary target area at depth.

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Drilling Returns 5m at 20% Zinc; Tinka Resources Also Looking for ...

tinka plans to drill an additional 25 to 30 step-out holes into a range of targets during the first half of 2018.the company has two key objectives for 2018: (1) continue our exploration drill program targeting additional zinc resources at ayawilca with 15,000 metres of drilling planned; and (2) advance the project with desktop mining studies and .

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Laneway Resources study points to IRGS gold system at Agate Creek

18 November 2021. A 12-month multi-element study conducted by Laneway Resources (ASX:LNY) at its Agate Creek Gold Project has found evidence of an intrusion related gold system (IRGS) at the Sherwood and Sherwood West deposits. The two-part study was conducted via analysis of over 47,000 samples from drill core collected at the Agate Creek area ...

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(BUREAU OF MINES) SUMMARY REPORT - Idaho geology

Total production was $2.5 million to $5.0 million in lead, silver, and zinc, dominantly from the Viola Mine (fig. 1, no. 15) and a few adjacent mines (Anderson and Wagner, 1944, p. 14). Only sporadic small shipments and minor prospecting has occurred since 1890. The Heart Mountain mineralized area

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KGS--Bulletin 137--Koester - University of Kansas

Dreyer concluded that inasmuch as zinc and lead ore bodies are found in zones of intense brecciation adjacent to lines of structural deformation, the magnetic survey could indicate places for exploratory drilling. In 1947, the U. S. Geological Survey published an aeromagnetic map of part of the Tri-State mining district.

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Exploration Report 2Q22 - MZ Group

In 2Q22, 3,234 meters were drilled with one rig totaling 6,007 meters in 1H22. Holes at the Asunción skarn vein system are confirming ore continuity with widths ranging from 2.5 to 9.0 meters with Zinc, Lead, Silver and locally Gold economic grades such as hole PEATD01514 with

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Positive Exploration Results Encountered at Multiple Projects: Amaruq ...

Recent exploration drill results from the Whale Tail (WT) deposit, the I and V Zones and the Tugak showing, Amaruq project ... 2.67% lead and 0.62% zinc over 2.0 metres estimated true width at 65 ...

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Mount Burgess - Kihabe Zinc Lead Silver Project, Botswana - BCM ...

With a maximum depth of 60m (Figure 1b) and anticipated average depth of 48m, drilling vertical drill holes, the investment in drilling is relatively small given the amount of contained zinc that could be defined. Near surface, shallow mineralization. Mineralisation follows a gentle sloping bowl shape from 5m to 60m below surface.

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nvhproject | Exploration Mining

NVH PROJECT AND MINING NEWS/ARTICLES. In tunnel #3 which has significant MoS2 (Molybdenite), we have have also found some nice veins of Zn/Pb & Ag. 310′ in on the right-rib our initial XRF spot checks showed Zn at around 40%, Ag at 3%. That does not include the gangue. In this report, we do a comparison with Lab assay reports with gangue.

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Santa Fe Metals exploring near Sullivan mine | Mining & Energy

Discovered in 1892, the Sullivan Mine is one of the world's largest zinc-lead-silver SEDEX deposits. Over its nearly 100-year lifetime, the mine produced approximately 164 million tonnes of ore that yielded almost 36 billion pounds of zinc and lead, 300 million ounces of silver, and smaller amounts of tin, gold and other metals.

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Iowa - booksgeology

C 231 / Agnew, A. F., et.al. / EXPLORATORY DRILLING PROGRAM OF THE USGS FOR EVIDENCES OF ZINC-LEAD MINERALIZATION IN IOWA AND WISCONSIN, 1950-51, 37 pages, 4 plates, 4 figs., $ 20 USGS Maps GP 476 / AEROMAGNETIC MAP OF CENTRAL IOWA, $ 10 GP 910 / AEROMAGNETIC MAP OF IOWA, $ 10 GP 0911 / AEROMAGNETIC MAP OF IOWA: COLOR CODED INTENSITIES, $ 10

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Epithermal Gold Deposits Exploration

The final stage of exploration as usual involves the drill testing. This is a core rig drilling at the Fruta del Norte deposit in Ecuador. Summarizing the take away points for epithermal deposits. So, here are the key points to remember about epithermals: they form above or laterally to porphyry systems. they are the roots of old hot springs.

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Paleomagnetic dating of Upper Mississippi Valley zinc-lead ...

The Upper Mississippi Valley (UMV) zinc-lead district is one of the classic Mississippi Valley-type (MVT) ore districts of North America. First mined in the early 1700s, it was a major source of lead and zinc during the latter half of the 1800s and first half of the 1900s, and continued to produce until the 1980s Heyl et al., 1973, Heyl, 1983.

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JV Article: Cerro Las Minitas has transformed Southern Silver into one ...

Southern Silver Exploration (TSXV: SSV) is sitting on one of the world's largest undeveloped silver projects, Cerro Las Minitas in Durango, Mexico. The flagship property is now under 100% control of the company since it bought out its partner, Electrum Global Holdings, in September 2020 and the company is intent on not only making the project bigger, but better.

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Walkabout Resources Ltd hits high-grade zinc, lead and copper at ...

Walkabout Resources Ltd has hit grades of up to 30% zinc, 9.1% lead, 7.4% copper and 36.1 g/t silver in rock samples from spoil heaps at the Blackcraig Lead-Zinc-Silver Project in Scotland.. As ...

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North Pennine Orefield - Geology North

Groverake Mine near Rookhope in Weardalehas the last remaining headgear in the North Pennine Orefield At its peak, more than 200 mines were in operation in the ore-field producing an estimated 4 million tonnes of lead, 0.75 million tonnes of zinc, as well as at least 170 tonnes of silver as a by-product of lead ore.

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(PDF) Discovery of the Tara Deep Zn-Pb Mineralization at the Boliden ...

Abstract In the late 00s surface exploration drilling around the Boliden Tara Mine at Navan, Ireland aimed at ~1 km deep targets, was becoming ineffective. During 2010 the extensive geological...

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Enhancing mineral exploration in India - Brookings

HZL, which was disinvested to Vedanta Group, added more than 200 million tonnes of additional lead and zinc Geological Resource in Rampura Agucha to make it the world's largest zinc-lead deposit....

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Carbonate-Hosted Massive Sulfide Deposits and Hypogene ... - SpringerLink

The principal deposit, the Main Ore, is of zinc, lead, and iron sulfide plus gangue minerals, chiefly secondary dolomite. It extends for 3 km along a horst and is terminated at both ends by modern valley entrenchments. The Main Ore body is consistently ~100 m wide and five to seven m thick. The ceiling is a wide, horizontal corrosion bevel.

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Mineral Exploration: Principles And Applications [PDF] [1mo951garrp0]

1.3.2.7 Exploration Scheme The diamond drill is a prime exploration tool. It is expensive and the process of diamond drilling is carried out in a logical sequence. ... and ilmenite, the second largest producer of alumina, gold, lithium, manganese ore, zinc-lead, the third largest producer of uranium, and the fourth largest producer of silver ...

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NOCR: Geophysical survey results provide further evidence of BHT ...

May 11, 2022Norden Crown has said it will use this historical data as a guide for its exploration programs. The three holes drilled last year at Fredriksson Gruvan delineated up to 13.60 meters of 6.05% zinc, 1.39% lead and 43.20 grams per tonne (g/t) silver, confirming the prospect's expansion potential (see table below).

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Services | GeoRocks Consulting | Geology & Mining Consultants | India

Drilling is part of the detailed exploration and it is the most expensive phase of a mineral exploration program. Systematic capturing the geological data from the drill holes and maintaining the drilling database are important aspects of a drilling campaign as these data are further processed for 3 dimensional delineation of the ore body and Geological Resource estimation.

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Lead and Zinc Mining in the Dubuque Area - Iowa Department of Natural ...

of the geology of the Upper Mississippi Valley Zinc-Lead District. This effort spanned more than a decade and included federally sponsored exploration drilling in all three states. The drilling program led to the discovery of the two largest ore deposits ever mined in the district. In 1959, with the publication of USGS Professional Paper 309, the

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Constantine Drills 28.8 meters at 9.0% Zinc, 3.5% Lead, 141

Includes 28.8 meters grading 141 g/t silver, 0.5 g/t gold, 9.0% zinc, 3.5% lead Garfield MacVeigh, President, stated "This is an exceptional start to our 2018 drill program at Palmer.

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Quarterly Report for The Quarter to 31 March 2017 - Mount Burgess

Information in this document that relates to 2016 exploration activity and results is extracted from the Australian Securities Exchange (ASX) Announcement titled "Kihabe Zinc, Lead, Silver Project Drilling Update" released on 5 February 2017 and is available to review on the ompany's website

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