Related Clues:

• See 12-Down
• Dig it!
• Mine find
• Bonanza find
• Sourdough's find
• Iron man's quest?
• Neighbor of Ida.
• It's found in banks
• Rock group?
• Cinnabar, taconite, etc.
• Comstock output
• Metallurgist's stock
• Band of gold?
• They're found in prospectors' sectors
• See 38-Across