The Derna Mine is an
oil shale
Oil shale is an organic-rich Granularity, fine-grained sedimentary rock containing kerogen (a solid mixture of Organic compound, organic chemical compounds) from which liquid hydrocarbons can be produced. In addition to kerogen, general compos ...
mine located in
Derna,
Bihor County
Bihor County (, ) is a county (județ) in western Romania. With a total area of , Bihor is Romania's 6th largest county geographically and the main county in the historical region of Crișana. Its capital city is Oradea (Nagyvárad).
Toponymy
...
. The mine has oil shale reserves amounting to 75 million tonnes, one of the largest oil shale reserves in
Romania
Romania is a country located at the crossroads of Central Europe, Central, Eastern Europe, Eastern and Southeast Europe. It borders Ukraine to the north and east, Hungary to the west, Serbia to the southwest, Bulgaria to the south, Moldova to ...
and
Europe
Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere. It is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west, the Mediterranean Sea to the south, and Asia to the east ...
and has an organic content equivalent to 4.5 million tonnes of oil.
References
{{DEFAULTSORT:Derna Mine
Oil shale mines in Romania