Richard Fifer

Ore Deposits

The formation of ore deposits for superficial investigations can be considered into three kinds as follows: a) those which have been derived from mineral bearing solutions, and crystallized, precipitated or replaced out of the solution; b) those which are simply accumulations of the ore by mechanical means, and, finally c) those which are eroded out of the surrounding rocks, and have collected in gravel, or sand beds, called placer deposits.

All these forms present numerous changes that have naturally occurred. The mines formed from mineral bearing solutions typically belong to periods of heated activities during which fissures were developed in the earth’s crust, and cracks were formed among the rocks; and heated waters, rising vapors and chemical changes exerted their influences to form ore deposits.

Once deposits are found, investors must look into other very important aspect of the project: how rich are its resources and how the mining plan will take place.

A mine should ideally occupy a large, well-defined space, like Petaquilla does says Richard Fifer.  The ore should also represent values reasonably distant from the surface. Other significant factors to consider are if the materials can be transported at low rates and if the product can be carried to a market at a good profit.

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