Central Sulawesi — Geology & Mineral Resources CENTRAL SULAWESI — GEOLOGY & MINERAL RESOURCES Central Sulawesi represents one of Indonesia’s most geologically diverse mineral provinces, where ophiolitic–ultramafic complexes, metamorphic belts, intrusive systems, volcanic rocks, and major structural zones create a variety of mineralization environments. Its resource potential extends beyond nickel. 🟢 Ni–Co Laterite Associated with the East Sulawesi Ophiolite Belt, where prolonged weathering of ultramafic rocks produces distinct limonite, saprolite, and serpentinized bedrock profiles. 🟡 Gold The Palu–Poboya area hosts gold mineralization associated with quartz veins and intrusion-related hydrothermal systems. 🟠 Cu–Au Porphyry The Sassak area represents a different mineralization style, associated with intrusive rocks and hydrothermal alteration. ⚙️ Fe–Cr, Sc & REE Potential Ultramafic and weathered granitoid systems also provide geological settings for chromium–iron mineralization and potential critical elements such as scandium and rare earth elements. What makes Central Sulawesi particularly interesting is the relationship between geology, tectonics, alteration, weathering, and mineralization. From a resource perspective, understanding these geological controls is essential before moving into: Exploration → Geological Domaining → Sampling → Estimation → Resource Classification → Mining & Processing Central Sulawesi therefore offers an excellent example of how one regional geological framework can host multiple mineral systems with very different resource-estimation challenges. The next step is not simply asking “How much mineral is there?” It is asking: “Why is the mineral there, where does it occur, and how confidently can we estimate it?” #CentralSulawesi #IndonesiaMining #Geology #MineralResources #Nickel #Cobalt #Gold #Copper #REE #Scandium #MineralExploration #ResourceEstimation #Geometallurgy #Mining #ZVENIA