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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 
active layer
Earth science; Geology
The name given to the upper part of the soil in periglacial areas (experiencing permafrost conditions) which undergoes seasonal thawing. This active layer becomes saturated and ...
binomial distribution
Earth science; Geology
This is a theoretical frequency test. Where a particular feature of a parent population is known, this tests the likelihood of that characteristic being observed in a sample of ...
biogeochemistry
Earth science; Geology
The chemical interactions among the atmosphere, biosphere, hydrosphere and lithosphere. Study of the cycling transformations and transport of chemicals in and between landscapes ...
continent
Earth science; Geology
A large landmass covered with lighter (less dense) rocks. Since their rocks weigh less than the denser oceanic crust, continent float higher on the mantle and overide oceanic ...
carbonate mineral
Earth science; Geology
A mineral in which the basic building block is a carbon atom linked to three oxygen atoms. Calcite, aragonite and dolomite are the most abundant examples found in sediment and ...
cambrian
Earth science; Geology
The earliest period of the Paleozoic era, spanning the time between 544 and 505 million years ago. It is named after Cambria, the Roman name for Wales, where rocks of this age ...
convection zone
Earth science; Geology
The outer 30% of the Suns radius where heat is transferred via convection currents. Temperatures continue to drop in this zone from 1.5 x 106 K at the base to 5800 K at the ...
Sub-categories
- Geology (10953)
- Mapping science (105290)
- Oceanography (12332)
- Physical oceanography (42660)
- Remote sensing (8661)
- Seismology (14406)
- Soil science (29216)