Related Clues:

• Vein stuff
• Klondike discovery
• Mine discovery
• See 46-Down
• Vein glory?
• Get a lode of this
• Natural resource
• Kind of deposit
• Cinnabar, for one
• Prospector's prize
• Blast furnace input
• Assayer's subject
• Sourdough's strike
• Specimen for an assayer
• Find for 8-Across