The Dolaucothi Gold Minesalso known as the Ogofau Gold Mine, are Roman surface and deep mines located in the valley of the River Cothi, near Pumsaint, Carmarthenshire, Wales.They are the only mines for Welsh gold outside those of the Dolgellau gold-belt, and are a Scheduled Ancient Monument. They are also the only known Roman gold mines in Britain, although it does not exclude the likelihood that they exploited other known sources in Devon, North Wales and Scotland for example. The site is important for showing advanced Roman technology

The mines where you get gold are usually called "gold mines".

It is unknown how many actual gold mines there are or where. There where many gold mines during the gold rush and after.

in our karnataka in first gold mines in the kolar gold field and one more is in hatti gold mines

What would probably be found is gold or silver in the mines.