Clifton Star Announces NI 43-101 Indicated Resources of 1.71 Million oz. and Inferred Resources of 1.67 Million oz. at Duparquet - MENAFN
24 May 2012, 8:06 am
tailings: A fixed density of 1.45 g/cm3 was used in mineralized zones and waste. --In-Pit and Underground: A fixed density of 2.73 g/cm3 was used in mineralized zones and in the envelope. --In-Pit and Underground: A minimum true thickness of 3.0 m.

Luna Gold Identifies Onix Gold Target at Luna Greenfields - MENAFN
24 May 2012, 7:16 am
The presence of vertical shafts and collapsed galleries coupled with elevated gold grades in quartz veins and tailings suggests potential for high-grade mineralized zones along the structure. Rock grab sampling from around the pits and pit walls returned ...

Essar Steel begins work on tailings basin - Duluth News Tribune
23 May 2012, 8:10 pm
Construction of Minnesota’s first new iron-ore mining and taconite plant operations in 35 years continues near Nashwauk, with work beginning this week on a tailings basin for Essar Steel Minnesota. The tailings basin will hold the liquid ...

Landcare group airs mine waste worries - ABC Online
23 May 2012, 7:34 pm
A Landcare group says it wants mining company Iluka to take more proactive steps to address its concerns over the dumping of tailings at a decommissioned mine pit in the Wimmera. The Douglas mine, south-west of Horsham, has been decommissioned and ...

The great significance of processing tailings - PR-USA.net
21 May 2012, 9:10 pm
tailings, also called mine dumps, slimes, tails, refuse, leach residue, or slickens, are the materials left over after the process of separating the valuable fraction from the uneconomic fraction (gangue) of an ore. tailings are distinct from overburden ...

Softball fields, tailings removal, park among ideas submitted for NRDP funding - Montana Standard
19 May 2012, 7:36 am
Here are some of the ideas submitted by the public for the use of Natural Resource Damage Program money in Butte, including their cost estimate and person who made the proposal: Improve all green and recreation areas at Whittier School and build ...

BacTech Begins Tailing Sampling at Telamayu, Bolivia - msnbc.com
17 May 2012, 2:41 pm
Representatives of BacTech visited Telamayu in February to investigate the tailings and the possibility of using bioleaching as a means to clean up the historic tailings. Telamayu is a former mill town near the town of Atocha. The Telamayu Mill ...

Trash to Treasure: The Business of Extracting Molybdenum From Mine tailings - The Business Insider
17 May 2012, 8:57 am
Reprocessing mine tailings involves using modern extraction methods to remove minerals that are still present in the waste rock produced by operating or closed mines. This process lets miners eliminate the cost of mining minerals directly. Reprocessing ...

Tahawus railroad line can reopen - Press Republican
15 May 2012, 2:26 am
The mines closed in 1989, but tailings from the operation can be used to extract rare earth elements, according to National Lead, and there are millions of tons of tailings left from decades of mining since World War II. U.S. Sens. Charles Schumer (D-NY ...

Lone Star Gold, Inc. Provides Assay Results and an Update on tailings Project Wash Plant Operation - Yahoo Finance
14 May 2012, 7:28 am
ALBUQUERQUE, NM--(Marketwire -05/14/12)- Lone Star Gold, Inc. (OTC.BB: LSTG) ("Lone Star" or "the Company") is pleased to provide an update on the Company's tailings Project wash plant in terms of operation, ongoing development and further ...