Earth Is at Perihelion in Early January When It Is

question 47

True/False

Earth is at perihelion in early January when it is closest to the Sun.

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Definitions:

Granitic Intrusion

The forced entry of magma composed mainly of quartz and feldspar into surrounding rock, cooling and solidifying to form granite.

Salt Dome

A type of geological structure formed when a thick bed of evaporite minerals (mainly salt) found at depth intrudes vertically into surrounding rock layers.

Volcanic Conduit

A pipe-like structure through which magma moves from a magma chamber to the Earth's surface.

Diamond Pipe

A steep, cylindrical- to funnel-shaped volcanic conduit that contains diamonds dispersed in an igneous rock; synonym kimberlite pipe.