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Subject
- Geology32
- Geochemical prospecting25
- Magnetic anomalies17
- Groundwater14
- Geomagnetism12
- Mines and mineral resources9
- Faults (Geology)3
- Geology, Stratigraphic3
- Molybdenum ores3
- Tungsten ores3
- Zinc ores3
- Barium2
- Chromium ores2
- Cobalt ores2
- Copper ores2
- Lead ores2
- Nickel ores2
- Radioactive dating2
- Remote-sensing maps2
- Sediments (Geology)2
