Treating acid mine drainage from past coal mining activities

Skelly and Loy has designed and permitted the first acid mine drainage (AMD) treatment system in the Blacklegs Creek Watershed in southern Indiana County. It is designed to reduce iron and acidity loading of the Kolb discharges and consists of a wet seal to capture the underground mine discharge, piping network, innovative aeration system and [...]

MINING.com Editor | March 22, 2010 | 1:20 am

Rocmec’s thermal fragmentation technology tested at Goldcorp operation

One of Rocmec Mining’s thermal fragmentation units is to be deployed for test work at Goldcorp’s Porcupine gold mine in Timmins, Ontario. Thermal fragmentation (IM September 2009, p24) will be compared to the long-hole mining method currently employed at the mine. This offers several advantages such as: less long-hole drilling, reduction in mucking, backfilling, transporting [...]

MINING.com Editor | March 22, 2010 | 1:10 am

Peru’s gold production rose 27,036 ounces in February

Silver, lead and tungsten production dropped at Peruvian mines in February although gold and moly operations reported increased output.

MINING.com Editor | March 22, 2010 | 1:05 am

Largest mining motor in the world on Joy AFC for Xstrata Coal in Australia

ATB Morley says the 11 kV motor it recently supplied to Xstrata Coal “is the very first of its kind; historically most large electrical motors supplied for underground coal mining have been manufactured suitable for a maximum voltage of 3,300 V. [This] motor weighing in at 10 t currently stands as the largest underground mining [...]

MINING.com Editor | March 22, 2010 | 1:00 am

Upside Down Gold

John Exter was an internationally known banker and a gold bug in the true sense of the word. He graduated from Harvard […]

MINING.com Editor | March 5, 2010 | 9:10 am

Brien Lundin: Gold Looking Good; Silver Even Better

Source: Interviewed by Gordon Holmes of The Gold Report 3/3/10 http://www.theaureport.com/pub/na/5746 The gold rally that began last fall and drove gold through […]

MINING.com Editor | March 3, 2010 | 2:27 pm

Improved training can reduce citation backlogs: Watzman

As reported by International Longwall News – WHILE US mines have made dramatic improvements to record safety performance in the last year, […]

MINING.com Editor | February 26, 2010 | 6:22 pm

WDS reaches for the axe

As reported by International Longwall News, CONTRACTOR WDS was not far off a loss for the recent half year, coughing up just $A50,000 […]

MINING.com Editor | February 26, 2010 | 6:18 pm

SIEMAG M-TEC² changed its name to SIEMAG TECBERG and moved

Mining & Quarry World report that the brand TECBERG stands for Mining Technology and emphasizes the close bonds of the world market […]

MINING.com Editor | February 26, 2010 | 6:10 pm

Runge profits down

As reported by International Longwall News – RUNGE has reported a net profit of $A1.2 million for the December half compared to […]

MINING.com Editor | February 26, 2010 | 9:35 am

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