10 Terms
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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.
Industry: Earth science
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Geology
Flaggy
Earth science; Geology
Term used to describe sedimentary or metamorphic rocks that tend to split into layers that are 1-10 cm thick.
Amphibole
Earth science; Geology
A family of silicate minerals forming prism or needlelike crystals. Amphibole minerals generally contain iron, magnesium, calcium and aluminium in varying amounts, along with water. Hornblende always ...
Aerosol
Earth science; Geology
Fine liquid or solid particles suspended in the atmosphere. Aerosols resulting from volcanic eruptions are tiny droplets of sulfuric acid -- sulphur dioxide that has picked up oxygen and water.
Amphibolite
Earth science; Geology
A rock made up mostly amphibole and plagioclase feldspar. Although the name amphibolite usually refers to a type of metamorphic rock, an igneous rock composed dominantly of amphibole can be called an ...
Airfall
Earth science; Geology
Volcanic ash that has fallen through the air from an eruption cloud. A deposit so formed is usually well sorted and layered. Also called ashfall.
Andesite
Earth science; Geology
A fine-grained volcanic rock of intermediate composition, consisting largely of plagioclase and one or more mafic minerals.
Horizon
Earth science; Geology
The top layer of soil. Plant and other organic debris builds up in this layer. This is the part of the soil generally referred to as 'top soil'.
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