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Direct measurements from deep within the Bulqizë chromium mine in Albania have revealed large quantities of outgassing natural hydrogen, researchers report, suggesting the presence of a faulted reservoir of the gas deeply rooted in the surrounding ophiolite massif.
The findings shed light on the geological contexts in which other natural hydrogen sources may be found.
At least 200 tonnes of nearly pure hydrogen gas are released from the mine each year.
Bulqizë chromium mine
The Bulqizë mine is a large mine located in central Albania in Dibër County, 40 kilometres east of the capital, Tirana.
Bulqizë represents the largest chromium reserve in Albania and one of the largest in Europe, having estimated reserves of 2.82 million tonnes of ore grading 45.83% chromium metal.
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