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Prima M. Hilman Head of Information Division – Centre for Geological Resources

Prima M. Hilman Head of Information Division – Centre for Geological Resources. Mineral Prospectivity Analysis Using GIS Techniques to Support the Preparation of New Mining Permit Areas in Indonesia. REPUBLIC OF INDONESIA MINISTRY OF ENERGY AND MINERAL RESOURCES GEOLOGICAL AGENCY. Outline.

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Prima M. Hilman Head of Information Division – Centre for Geological Resources

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  1. Prima M. Hilman Head of Information Division – Centre for Geological Resources Mineral Prospectivity Analysis Using GIS Techniques to Support the Preparation of New Mining Permit Areas in Indonesia REPUBLIC OF INDONESIA MINISTRY OF ENERGY AND MINERAL RESOURCES GEOLOGICAL AGENCY

  2. Outline

  3. Indonesia’s Mineral Potential

  4. Indonesia’s Mineral Potential

  5. Law No.4/2009 concerning Mineral and Coal Mining

  6. Regulations No.22/2010 concerning Mining Area

  7. Mineral Prospectivity Analysis

  8. Mineral Prospectivity Analysis

  9. Mineral Prospectivity Analysis

  10. Frequency Ratio • Weights of Evidence • Fuzzy Logic • Neural Networks Analyse Combine Mineral Prospectivity Analysis Remote Sensing Geochemical Geophysical Geology GIS Prospectivity Maps Regional Mineral Exploration Data

  11. Example of Methods

  12. Example of Methods

  13. Example of Methods

  14. Example of Methods

  15. Example of Methods

  16. Example of Methods

  17. Example of Methods

  18. Example of Methods

  19. B∩D B∩D Example of Methods B T B∩D B∩D D T : Total area D : Area of deposits B : Area of pattern

  20. Example of Methods

  21. Example of Methods

  22. Example of Methods

  23. Example of Methods

  24. Example of Methods

  25. Example of Methods

  26. Example of Methods

  27. Example of Methods

  28. Example of Methods 40 precious-base metals mineralization, 25 points for processing and 15 points for test (verification) • Verification of frequency ratio model using testing mineralization points; the area ratio was 0.7868 and the prediction accuracy is 78.68%. • Verification using processed mineralization points itself ; the area ratio was 0.9580 and the prediction accuracy is 95.80%.

  29. Example of Methods 40 precious-base metals mineralization, 25 points for processing and 15 points for test (verification) • Verification of weight of evidence model using testing mineralization points; the area ratio was 0.6821 and the prediction accuracy is 68.21%. • Verification using processed mineralization points itself ; the area ratio was 0.8038 and the prediction accuracy is 80.38%.

  30. Example of Methods

  31. Conclusion

  32. Thank You REPUBLIC OF INDONESIA MINISTRY OF ENERGY AND MINERAL RESOURCES GEOLOGICAL AGENCY http://www.bgl.esdm.go.id

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