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Crews tearing apart a 1.5-acre pile of coal mine refuse that has been smoldering for two decades recently uncovered a section which measured 300 degrees Fahrenheit.
Furthermore, 100% of igneous, or volcanic, rock samples they examined contained REE at concentrations greater than 200 ppm. Igneous rock and impure volcanic-ash-rich coal are commonly a waste ...
In Pennsylvania, where mining dates to the late 1700s, coal was mined in nearly half of the state’s 67 counties and there are at least 5,000 abandoned underground mines, leaving behind hazards ...
The Trump administration on Friday greenlighted the expansion of a scandal-hit underground coal mine in Montana, one of the nation’s largest, cutting short a federal environmental review and ...
India’s methane emissions from coal mining are set to double – but it can be put to good use. Cutting emissions by capturing methane from coal mines and substituting it for imported gas could ...
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