Exploration for and Pre-feasibility of mining Polymetallic Sulphides ...

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• World leader in hoisting ore from deep underground • Systems to 3,000m • SIEMAG have proposed a system to hoist at rate of 400 tonnes per hour from 2,000mbsl. • Hoist 100t kibbles at 1.8 metres per second. (on land run at 16m/s)
Exploitation – Pumping Option • Nautilus engineering study considered both slurry pumps (Warman) and positive displacement pumps (SIEMAG) which may be assisted by airlift. • Electric powered Pumps located on sea bed. • 70mm maximum particles up a 300mm internal diameter riser pipe. • System offers efficient continuous mining and material handling.
Page 1 and 2: Exploration for and Pre-feasibility
Page 3 and 4: Nautilus this month commences the m
Page 5 and 6: Exploration - Polymetallic Sulphide
Page 7 and 8: 152º 04'E 3º 46'S 47' 48' 49' 3º
Page 9 and 10: Exploration - Sampling A geophysica
Page 11 and 12: Exploration - Drilling There has be
Page 13 and 14: Exploration - Drilling Mineral Depo
Page 15 and 16: Exploration - Crusts vs Sulphides
Page 17 and 18: Trial Mining - crust vs sulphides
Page 19 and 20: Exploitation - The Mine Parameters:
Page 21 and 22: Exploitation - Remote Operated Mini
Page 23: Exploitation - Material Handling RO
Page 27 and 28: Exploitation - EEZ vs the AREA •
Page 29 and 30: Environmental considerations of exp
Page 31 and 32: Environmental - Exploration • GEO
Page 33 and 34: Environmental - Exploration • DRI
Page 35 and 36: Environmental - Exploitation • MI
Page 37 and 38: Environmental - Exploitation • OT
Page 39 and 40: Environmental - Questions • “Bu
Page 41 and 42: Environmental - Questions • “Bu
Page 43 and 44: Environmental - UNCLOS - MSR • DI
Page 45 and 46: Environmental - UNCLOS • (c) unde
Page 47 and 48: Environmental - UNCLOS • If copie

Exploration for and Pre-feasibility of mining Polymetallic Sulphides ...

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