gold field; goldfield
Refers to an area where gold is mined or found. A straightforward compound of 金 (gold), 鉱 (ore/mineral), and 地 (land/place).
This area once flourished as a gold field.
News spread that a new gold field had been discovered.
Compound of 金 (きん, 'gold'), 鉱 (こう, 'ore' or 'mineral'), and 地 (ち, 'land' or 'place'). The word follows a standard Sino-Japanese pattern for naming resource-bearing areas.