Sourdough's Find is a term used to describe the discovery of gold ORE. The two crossword solutions for this term are ORE (3 letters) and ORES (4 letters). ORE is a naturally occurring mineral or aggregate of minerals from which a valuable constituent, such as gold, can be profitably mined or extracted. ORES is the plural form of ORE, meaning more than one ORE. Gold ORE is often found in quartz veins, and is usually extracted by mining or panning.