{ "silver_resources": { "silver_vein": { "display_name": "Silver Vein", "description": "High-grade silver ore in hydrothermal veins with excellent purity", "formation_type": "hydrothermal_precious_metal_vein", "extraction_difficulty": "hard", "budget_impact": 5, "resource_yield": "medium", "quality": "premium" }, "galena_silver": { "display_name": "Galena Silver", "description": "Silver-bearing lead sulfide ore requiring lead-silver separation", "formation_type": "sulfide_mineralization", "extraction_difficulty": "medium", "budget_impact": 4, "resource_yield": "high", "quality": "standard" }, "argentite_deposit": { "display_name": "Argentite Deposit", "description": "Silver sulfide mineral with high silver content and moderate processing", "formation_type": "sulfide_precipitation", "extraction_difficulty": "medium", "budget_impact": 4, "resource_yield": "medium", "quality": "premium" }, "native_silver": { "display_name": "Native Silver", "description": "Pure metallic silver deposits requiring minimal processing", "formation_type": "hydrothermal_metal_precipitation", "extraction_difficulty": "easy", "budget_impact": 3, "resource_yield": "low", "quality": "premium" }, "silver_placer": { "display_name": "Silver Placer", "description": "Alluvial silver deposits concentrated in ancient river systems", "formation_type": "alluvial_precious_metal_concentration", "extraction_difficulty": "easy", "budget_impact": 2, "resource_yield": "low", "quality": "premium" } } }