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Earth science
Any of several geological sciences that are concerned with the earth, its origins, and all of its various structures and physical forms and phenomena.
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Earth science > Geology 
luster
Earth science; Geology
The manner in which light reflects from the surface of a mineral, described by its quality and intensity.
mafic
Earth science; Geology
Referring to a generally dark-colored igneous rock with significant amounts of one or more ferromagnesian minerals, or to a magma with significant amounts of iron and magnesium.
magma
Earth science; Geology
Molten rock. Magma may be completely liquid or a mixture of liquid rock, dissolved gases and crystals. Molten rock that flows out onto the Earth's surface is called lava.
magma chamber
Earth science; Geology
A body of molten rock and solid crystal mush beneath the Earth's surface. When this chamber cools and solidifies, it is called a pluton.
magnetic reversals
Earth science; Geology
Earth's magnetic field occassionally "flips" or reverses polarity. This means that, if a polarity reversal happened today, your compass would point south instead of north!
mantle
Earth science; Geology
That portion of the Earth below the crust and reaching to about 2,780 km, where a transition zone of about 100 km thickness separates it from the core.
Moho
Earth science; Geology
The boundary separating the base of the Earth's crust and the top of the mantle. The Moho occurs at a depth of 5-10 kilometers beneath oceanic crust and about 35-65 kilometers ...
Sub-categories
- Geology (10953)
- Mapping science (105290)
- Oceanography (12332)
- Physical oceanography (42660)
- Remote sensing (8661)
- Seismology (14406)
- Soil science (29216)