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Geology

The science that comprises the study of the solid Earth and the processes by which it is shaped and changed.

Contributors in Geology

Geology

half-life

Earth science; Geology

The time required for one-half of the atoms of a radioactive substance to decay.

hardness

Earth science; Geology

Resistance of a mineral to scratching, determined on a comparative basis by the Mohs scale.

harmonic tremor

Earth science; Geology

Continuous rhythmic earthquakes in the Earth's upper lithosphere that can be detected by seismographs. Harmonic tremors often precede or accompany volcanic eruptions.

hawaiian eruption

Earth science; Geology

Hawaiian" eruptions may occur along fissures or fractures that serve as linear vents, such as during the eruption of Mauna Loa Volcano in Hawaii in 1950, or they may occur at a central vent such as ...

headland

Earth science; Geology

Headlands are projections of land that stick out into a sea or lake.

Holocene

Earth science; Geology

An epoch of the Quaternary Period beginning 10,000 years ago and continuing today.

horst

Earth science; Geology

An elongate block of rock uplifted along roughly parallel faults.

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