gold mine

Noun	1.	gold mine - a good source of something that is desired Synonyms: goldmine
	2.	gold mine - a mine where gold ore is found Synonyms: goldmine

Eldorado, Golconda, bank, bonanza, coal mine, colliery, cornucopia, diggings, eldorado, font, fount, fountain, gravy train, lode, mine, mine of wealth, mother lode, open cut, opencast, pit, quarry, resource, rich lode, rich uncle, shaft, source, source of supply, spring, staple, treasure trove, treasure-house, treasury, vein, well, wellspring, workings