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MDAG Case Study 18
Chief Minesite is located in the Canadian Province of British Columbia and is a polymetallic underground mine that operated under Cominco in the 1950's. Redfern Resources purchased the property in ... the mine closed in 1957, there has been ARD (acid rock drainage) flowing from the underground workings and waste rock. A Pollution Abatement Order was issued by the government in the late ...
www.mdag.com

MDAG Case Study 8
Map 1), and the second area was around to Jaburibari. These mines were Type 1 underground workings (not free draining, see Environmental Geochemistry of Minesite Drainage and the Internet Case Study ... Mines for Fun and Recreation Some inhabitants of Aruba have found that the old underground gold and phosphate workings provide recreation through spelunking. Details of this activity can be found on ...
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EQUITY SILVER MINE - INTEGRATED CASE STUDY
INTRODUCTION The Equity Silver Mine operation consisted of open pits, underground workings, and a 9000 tonne per day milling complex. The property is located in the central ...
www.nrcan.gc.ca

EJMP&EP -
Woodcutters lead-zinc mine in the Northern Territory, Australia. Groundwater aquifers drain into the underground workings that were then pumped into ...
ejmpep.com

Galmoy Lead / Zinc Mine Mining Technology
In addition, between 80% and 90% of the mill tailings are returned underground following thickening ... consumers. Expand ImageAerial view of the Galmoy surface facilities. Expand ImageThe access to the underground workings is through a decline. All of the orebodies are less than 100m below surface. ...
www.mining-technology.com

USGS Bulletin
Mill Workings, some 1,500 feet farther east. These workings, which include both power-shovel cuts and underground workings (pl. 8 and fig. 3), are said to ... apparently rather large content of bituminous matter. Sulphates of several kinds are widespread through the underground workings, especially in drifts and crosscuts that invade the hanging wall far enough to have ...
mdia.org

ARCADIS, Imagine the result. Innovative technologies.
ARCADIS' patented technologies have applications in pit lakes, smelter ponds, and flooded mines and underground workings where the water quality would otherwise require pumping and treating the water ex- ... technology avoids the perpetual treatment costs typically associated with large waste dumps and underground mine workings in sulfide ore bodies. Our ARD technologies can be applied at historic ...
www.greystone-consultants.com

Mining
Russian geologists based on diamond drill holes, numerous surface trenches, and underground workings on four levels. Read more about this project Other Mining Projects Cayeli Mine Mineral Resource ...
hsiltd.co.uk

MDAG Case Study 29
This produced approximately 3100 meters of underground workings and 58,000 m of underground drilling in 165 holes. The main adit was approximately ... underground workings were renovated. Drainage-chemistry monitoring at the portal, from 1981 through 2007, showed notably steady aqueous concentrations. Thus, the leaching of most elements has not been disturbed by underground ...
mdag.com

Restoration Round-up (Do or Die)
The vision is then to ... hectares (ha) on ex-arable land at Lakenheath Fen (Suffolk), 54 ha on old peat workings at Ham Wall (Somerset), 100 ha at Malltraeth Marsh (Anglesey) and 20 ha at Mersehead ...
www.eco-action.org