stone-quarry-mine

Stone

Stone is used especially as a building material.

Stone Base Value

The primary sources of stone in a holding are the product of local stone quarries and the likelihood of stone byproduct from each ore mined effectively imported to the county.

  1. Stone Quarries (base = +0.1%)
    1. Simple Stone Quarries: +3%
    2. Shallow Ore Mines: +5%
    3. Watermills: +7%
    4. Large Stone Quarries: +10%
    5. Large Mines: +13%
    6. Massive Stone Quarries: +15%
    7. Shaft Mines: +17%
    8. Blast Furnaces: +20%
  2. Stone Byproduct, depending of specific mines (50% of these values combined):
    • Marble Base Trade value x 100% (true mines, everything extracted can be used)
    • Gold Base Trade value x 75% (true mines)
    • Silver Base Trade value x 80% (true mines)
    • Copper Base Trade value x 90% (true mines)
    • Iron Base Trade value x 50%  (not all true mines, but this brings stone to all corners)
    • Tin Base Trade value x 90% (true mines)
  3. Stone Remains from former empires:
    • Ruins from Roman Empire (Mediterranean) and Sasanian Empire constructions: +25%
    • Surrounding regions: +10%
  4. Province Trade Development Modifier.
  5. County Trade Deal Modifier.
  6. Province Trade Product Modifier.
  7. Tradition Ancient Miners +15%.
  8. Local Consumption from Development.

Stone Trade Value

Stone Trade Value adds up:

  • Stone Base Value.
  • Holding stone Maintenance cost:
    • Castle maintenance cost: -15% x Level
    • Temple maintenance cost: -10% x Level
    • City maintenance cost: -5% x Level
  • Active Construction cost:
    • Building construction cost: -75%
    • Castle upgrade cost: -150%
    • Temple upgrade cost: -100%
    • City upgrade cost: -50%