Exploration for and Pre-feasibility of mining Polymetallic Sulphides ...
Exploration for and Pre-feasibility of mining Polymetallic Sulphides ...
Exploration for and Pre-feasibility of mining Polymetallic Sulphides ...
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Environmental – <strong>Exploration</strong><br />
• TRIAL MINING :<br />
• In practice would only involve disturbing<br />
1/20 th or 1/40 th <strong>of</strong> the resource.<br />
• Accordingly the majority <strong>of</strong> the<br />
mineralised environ is left undisturbed.<br />
• Provides valuable data <strong>for</strong> State or ISA<br />
upon which regulations be based be<strong>for</strong>e<br />
any <strong>mining</strong> lease is granted.<br />
• For cost reasons, elements<br />
<strong>of</strong> trial <strong>mining</strong> may first be<br />
conducted in another<br />
environ eg l<strong>and</strong> quarry or<br />
a harbour channel.
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