No Comments

Background

Ambient, overall residual radioactivity inherent to an area and usually natural, but also manmade

No Comments

Batholith

A large plutonic mass having more than 402 mi (1042 km) exposed at surface of the earth

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Backfolding

Where folds are overturned back toward the interior of an orogenic belt

No Comments

Bastnasite

A greasy, waxy, yellow to brown radioactive mineral, (Ce,La)(CO3)F

No Comments

Backfill

Waste or gangue material used to fill pits, openings and trenches created by mining an orebody

No Comments

Back

The ceiling or roof of an adit or mine opening

No Comments

Base metals

Non-ferrous industrial metals excluding precious, rare earth or radioactive metals. Base metals include copper, aluminum, lead, nickel, tin and zinc

No Comments

Babcock and Wilcox mill

Similar to a ball mill, a dry ore mill in which steel balls rotate in a horizontal circle, ore is fed through for pulverization into finer grades

No Comments

Base camp

Dwellings or structures supportive to the efficient exploration, development or exploitation of a resource, usually assigned for proximity or feasibility