Abandoned mine drainage is a form of water pollution involving water that has been polluted by contact with mines, typically coal mines. Although it is sometimes called "acid mine drainage", not all a
A creek affected by abandoned mine drainage
Surface mining, including strip mining, open-pit mining and mountaintop removal mining, is a broad category of mining in which soil and rock overlying the mineral deposit are removed, in contrast to u
Abandoned mine drainage
…contaminate mine water. The precise chemistry of abandoned mine drainage discharges typically varies. Abandoned mine drainage typically originates in surface mines, deep mines, and "gob piles". Abandoned mine drainage typically has high concentrations of metals and total dissolved solids. Iron is the most common…
The Siilinjärvi carbonatite complex, an open-pit mine owned by Yara International, in Siilinjärvi, Finland
Coal strip mine in Wyoming
The Bagger 288 is a bucket-wheel excavator used in strip mining.
Strip mining at Garzweiler surface mine in Germany. The lignite being extracted is at left, the removed overburden being placed at right. Note that it is a largely flat mine for a horizontal mineral.