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3. PROSES PENAMBANGAN
TAHAPAN KEGIATAN USAHA PERTAMBANGAN
1. PROSPECTING
2. EXPLORATION
3. EVALUASI
Jika nonekonomi maka jadikan arsip
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4. MINE PLANNING
@ surface mining
@ underground
5. MINE DEVELOMENT
6. MINE EXPOLOITATION
7. MINERAL DRESSING
8. EXTRACTIVE METALLURGY
9. MARKETING
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