Geology

Geology

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

Industry: Earth science

Add a new term

Contributors in Geology

Become a Contributors

Geology

Hypersthene

Earth science; Geology

A common rock forming mineral of the orthopyroxene group, (Mg,Fe)SiO 3 . It is isomorphous with enstatite. It is an essential constituent of many igneous rocks.

Hummocky

Earth science; Geology

Uneven; describing a terrain abounding in irregular knolls, mounds, or other small elevations.

Hydrosphere

Earth science; Geology

The waters of the Earth, including surface and subsurface water. All the oceans, snow, ice and glaciers.

Ice age

Earth science; Geology

A loosely used synonym for glacial epoch, or time of extensive glacial activity.

Lunar magma ocean

Earth science; Geology

The outer several hundred kilometres of the lunar mantle became molten yielding a Lunar Magma Ocean (LMO) that began to cool and differentiate like a thick intrusion of mafic magma. Dense ...

Mariner 10

Earth science; Geology

Only one spacecraft, Mariner 10, has ever visited Mercury. It made three passes near the planet in 1974 and '75. It snapped pictures of half of the planet's surface, measured temperatures, and ...

A 70 km diameter impact crater in Quebec, Canada. The 210 million year old structure has a central peak of shock-metamorphosed rock, surrounded by a thick layer of frozen impact melt that pooled on ...