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IDRIA

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Originally appearing in Volume V14, Page 289 of the 1911 Encyclopedia Britannica.
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IDRIA , a See also:

mining See also:town in See also:Carniola, See also:Austria, 25 M. W. of See also:Laibach. Pop. (Iwo) 5772. It is situated in a narrow Alpine valley, on the See also:river Idria, an affluent of the Isonzo, and owes its prosperity to the See also:rich mines of quicksilver which were accidentally discovered in 1497. Since 158o they have been under the management of the See also:government. The See also:mercurial ore lies in a See also:bed of See also:clay See also:slate, and is found both mingled with schist and in the See also:form of See also:cinnabar. A See also:special excellence of the ore is the greatness of the yield of pure See also:metal compared with the amount of the refuse. As regards the quantity annually extracted, the mines of Idria See also:rank second to those of See also:Almaden in See also:Spain, which are the richest in the See also:world.

End of Article: IDRIA

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