Dense, rare and valuable metals, such as gold, silver, and platinum group elements
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Tag: <span>P</span>
The oldest, most stable part of the earth’s crust, the largest being the Canadian Shield
The super-eon of time until the start of all known life in the Cambrian era, it is the period covering 4500 to 540 million years ago
Potassium ore used for industrial processed and fertilizer
A calcium-aluminum silicate mineral combined with aggregate and water to form concrete
Rocks and other material formed by volcanic eruption
The entrance to a mine, tunnel or adit
A yellow iron sulphide mineral, FeS2. Referred to as “fool’s gold”
Disseminated copper ore which occurs in fractures and veins in stockwork veins, formed through precipitation of hydrothermal solutions
Pumice is a light-weight, spongy and porous volcanic rock