Adit Tunnel Mining

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The Big Five Mining Group consolidated five mining properties around Lefthand Creek and California Gulch in 1897. The ores from these mines were transported to Camp Frances mills for processing by way of an adit tunnel. Acid mine drainage from the Big Five Adit flows over waste rock, through a settling pond, and into Lefthand Creek

What is a tunnel adit?

What is a tunnel adit?

Apr 12, 2020 What is a tunnel adit? An adit (from Latin aditus, entrance) is an entrance to an underground mine which is horizontal or nearly horizontal, by which the mine can be entered, drained of water, ventilated, and minerals extracted at the lowest convenient level. Adits are also used to explore for mineral veins. Click to see full answer

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What is an Adit? - Definition from Trenchlesspedia

What is an Adit? - Definition from Trenchlesspedia

Dec 31, 2017 An adit is a horizontal or near-horizontal passageway to a larger underground excavation for the purposes of ventilation, water removal, or auxiliary entrance. The short tunnels are used in both mining and tunneling to access the main shaft at strategic points. Adits are used in trenchless construction, particularly in larger projects with

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Adit - What's That? - Mining Searches UK

Adit - What's That? - Mining Searches UK

Jul 14, 2015 Adit. An adit is a horizontal or nearly horizontal tunnel for working or draining a mine, and can also be called a drift or a sough – depending on where you are in the country. Adit levels can be deep or shallow and are generally the lowest level from which water can be drained. Drainage was essential for mines where workings went below the

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Adit | mining | Britannica

Adit | mining | Britannica

Adit, a horizontal or near-horizontal passage driven from the Earth’s surface into the side of a ridge or mountain for the purpose of working, ventilating, or removing water from a mine.. Where either a vertical shaft or an adit can be used to reach a mineral deposit, the generally lower cost of driving an adit, the saving in the cost of pumping water, and the ease of hoisting ore through

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Site Profile - Rico Argentine Mine - EPA OSC Response

Site Profile - Rico Argentine Mine - EPA OSC Response

The Site is adjacent to the Dolores River and extends into Telescope Mountain and its related mine workings. The St. Louis Tunnel Adit and settling ponds are located on the eastern edge of Dolores County approximately mile north of the town of Rico. The settling ponds area is on the eastern bank of the Dolores River and occupies about 80

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The Lebanon Silver Mine | Virtual Field Trips | Doing

The Lebanon Silver Mine | Virtual Field Trips | Doing

A stope is a cut that goes upward from the mine tunnel or adit. This specific cut is part of the so-called Morning Star Lode. The Lebanon adit was drilled to find this silver ore vein. At any rate, the stope went up into the mountain about 150 feet. A steam-driven hoist (previous photo) also raised and lowered men and ore from a downward shaft

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Adit Mining High Resolution Stock Photography and Images

Adit Mining High Resolution Stock Photography and Images

View of the end of the adit (access tunnel) in an old lead mine in Derbyshire. Portal #2, Eskay Creek mine, BC. Adit entrance to an old lead mine in the side of a steep hill in Derbyshire. Adit in old abandoned limestone quarry Velka Amerika. Medieval tunnel adit exposed by modern mining in the 1950s. Arched mine

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Captain Jack Mill - Lefthand Canyon | Department of Public

Captain Jack Mill - Lefthand Canyon | Department of Public

The Big Five Mine consists of an adit (tunnel), a large waste rock pile and a settling pond. The Mill Works area includes several lagoons previously used for settling tailings from the mill. The lower portal consists of the Black Jack adit and the contents of a shed

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The Cuprite Mine - ROCKY MOUNTAIN PROSPECTORS,LLC

The Cuprite Mine - ROCKY MOUNTAIN PROSPECTORS,LLC

The adit tunnel was constructed with large concrete and timber supports during a previous operation in the 1960’s. The vein assayed 3 to 28% copper, a trace to 2.56 oz. per ton of gold, and a trace to 2 oz. of silver per ton. cobalt and chromium were also reported

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Cornwall’s Remarkable Adits by Allen Buckley – Cornwall

Cornwall’s Remarkable Adits by Allen Buckley – Cornwall

Such was the importance of the Great County Adit, economically, that for a period of some 160 years few of the great, deep copper mines of the region it served would have been profitable without it. The County Adit continued to play a crucial role in the mining industry’s survival until the 1920s, when Killifreth and Wheal Busy ceased operating

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California Gold Mining Claim San Bernardino County Silver

California Gold Mining Claim San Bernardino County Silver

Details about California Gold Mining Claim San Bernardino County Silver Mine Adit Tunnel Shaft Twin Mines-High Grade Tailings (Gold + Silver)-Secluded. California Gold Mining Claim San Bernardino County Silver Mine Adit Tunnel Shaft. Seller information. scyros35 . 99.9% Positive feedback. Save this Seller

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Glossary of Mining Terms - SEC

Glossary of Mining Terms - SEC

Acid mine drainage - Acidic run-off water from mine waste dumps and mill tailings ponds containing sulphide minerals. Also refers to ground water pumped to surface from mines. Adit - An opening driven horizontally into the side of a mountain or hill for providing access to a mineral deposit

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The Lucky Triple Mine (20.66 Acre Lode Mining Claim)

The Lucky Triple Mine (20.66 Acre Lode Mining Claim)

This mine has two main adits, one is gated while the other is open. The gated adit appears to have a very large tunnel past the gate, with possible stoped areas. The ungated adit has a 3-way split immediately after the portal. The right and center tunnels have major collapses, but the left has timbering and gobbing, and appears to be open

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The Edres Mine - ROCKY MOUNTAIN PROSPECTORS,LLC

The Edres Mine - ROCKY MOUNTAIN PROSPECTORS,LLC

The Edres Mine is a documented Gold and Silver producer, located in the historic Hailey-Bellevue Mineral belt of Southern Idaho. Featuring an open tunnel style mine with several hundred feet of underground workings, an extremely secluded location and great access for any 4x4 vehicle

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Historical Mine Report Files c. 1900 - 1980 at The

Historical Mine Report Files c. 1900 - 1980 at The

Dunmore Mine Ouray Dupont Tunnel Gunnison Durango Girl Gold Mining & Milling Company La Plata Durfee Mining Mesa Miscellaneous D Durfee Wagon Drill Mesa Miscellaneous D Durgen Tunnel Pitkin Durias Mine Boulder Dusty Montrose Dutch Creek # 1 Pitkin Dutch Creek # 2 Pitkin Dutch Park Mine Boulder Miscellaneous D

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adit tunnel mining

adit tunnel mining

The Lawson Adit is a horizontal mine tunnel, or adit , on the UC Berkeley campus, near the Hearst Mining Building , dug directly through the Hayward Fault Started . Inquire Now; Shaft mining Wikipedia. Shaft mining or shaft sinking is excavating a vertical or nearvertical tunnel from the top down, where there is initially no access to the bottom

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Portal | mining | Britannica

Portal | mining | Britannica

tunnel entrance is called a portal; tunnels may also be started from the bottom of a vertical shaft or from the end of a horizontal tunnel driven principally for construction access and called an adit. So-called cut-and-cover tunnels (more correctly called conduits) are built by excavating from the surface, constructing… Read More

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Driving an Underground Mine Adit: Methods & Equipment

Driving an Underground Mine Adit: Methods & Equipment

Mar 26, 2017 Either trolley or storage-battery locomotives are suitable for haulage in adits and tunnels. Gasoline-driven locomotives should not be employed because of the danger from exhaust fumes. Track is ordinary steel rail of proper weight for the service to which it is put or is to be put later and is laid on the adit

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Mines | Monte Cristo Preservation Association

Mines | Monte Cristo Preservation Association

One of the mine’s tunnels was bored under a large rock slide to a point 400 feet below the Mystery #3 Mine. The ore in this tunnel was considered too low in quality for mining. Main Justice Mine Adit, 1998

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