Gold
In-situ leaching has not been used on a commercial scale for gold mining. A three-year pilot program was undertaken in the 1970s to in-situ leach gold ore at the Ajax mine in the Cripple Creek district in the US, using a chloride and iodide solution. After obtaining poor results, perhaps because of the complex telluride ore, the test was halted.
Read more about this topic: In-situ Leach
Famous quotes containing the word gold:
“As I have known them passionate and fine,
The gold for which they leave the golden line
Of lyric is a golden light divine,
Never the gold of darkness from a mine.”
—Robert Frost (1874–1963)
“Not the gold that fastens your sandal,
nor the gold reft
through your chiselled locks
is as gold as this last year’s leaf.”
—Hilda Doolittle (1886–1961)