Mining is not yet available as an extraction profession in the documented version. Visiting a mine or finding a rock does not automatically offer an ore-gathering action.
Materials and recipes
Materials associated with mines and regions can appear as loot or rewards. Check each resource's source in the catalog and the recipe requirements before searching for it.
What you can already do
Gold, recipes and materials let you craft equipment at workshops. Soul Crystals, Life Stones and enchantment scrolls have their own crafting and application requirements. The guides below explain these systems.