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Instructions: Identify the Following

question 57

Essay

Instructions: Identify the following. Be as specific as possible, and include names, dates, and relevant facts as appropriate. Be sure to explain the significance of the person or term.
Election of 1864


Definitions:

Caldera

A large, cauldron-like depression that forms following the eruption and collapse of a magma chamber beneath a volcano.

Platinum

A dense, malleable, ductile, and highly unreactive precious metal used in jewelry, automotive catalytic converters, and various industrial applications.

Mafic to Ultramafic Intrusions

The intrusion of magma rocks ranging from mafic (rich in magnesium and iron) to ultramafic (extremely rich in magnesium and iron) compositions, important in the formation of various ore deposits.

Veins

Mineral deposits that fill cracks in rocks, often distinguished by their different materials from the surrounding rock.

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