Mining in Heroes 4

Basic Mining allows the hero to produce 2 each of wood and ore, plus 10% per level of the hero, over a 5 day period. It is required to learn Expert Nobility.

Advanced Mining allows the hero to produce 2 each of wood and ore, and 2 other resources, plus 10% per level of the hero, over a 5 day period. The 2 other resources cycle 1 each through gems, mercury, sulfur, and crystals - in that order. It is required to learn Master Nobility.

Expert Mining allows the hero to produce 2 each of wood and ore, and 4 other resources, plus 10% per level of the hero, over a 5 day period. The 4 other resources cycle 1 each through gems, mercury, sulfur, and crystals - in that order. It is required to learn Grandmaster Nobility.

Master Mining allows the hero to produce 3 each of wood and ore, and 5 other resources, plus 10% per level of the hero, over a 5 day period. The 5 other resources cycle 1 each through gems, mercury, sulfur, and crystals - in that order.

Grandmaster Mining allows the hero to produce 4 each of wood and ore, and 6 other resources, plus 10% per level of the hero, over a 5 day period. The 6 other resources cycle 1 each through gems, mercury, sulfur, and crystals - in that order.