The metal is expensive, not because it is rare but because of the expense to produce and work it. The minerals mined for titanium are all oxides, unlike many base metals that are mostly mined as sulfide minerals.

There are a few questions you will need to ask yourself before you apply for a suction dredge permit from the State Water Resources Control Board.

You might think that gold prospecting techniques are basically the same everywhere, and in many instances you’d be correct. Some geographical locations, however, due to their unique geological conditions, present unusual challenges...

The larger nuggets were all old channel gold, smooth and water-worn. I guessed that a few of them would push a bit under one-half-ounce apiece.