Introduction -- Definitions and Nomenclature -- Tectonic Settings of Potassic Igneous Rocks -- Selected Type-Localities of Potassic Igneous Rocks from the Five Tectonic Settings -- Primary Enrichment of Precious Metals in Potassic Igneous Rocks -- Direct Associations Between Potassic Igneous Rocks and Gold-Copper Deposits -- Direct Associations Between Potassic Igneous Rocks and Copper-Gold Dep…