Rocks
These types of rocks are formed when magma cools slowly below the earth's surface and can contain large crystals.
What is intrusive igneous rocks?
schist
What is metamorphic?
Some igneous rocks are this, meaning it has air bubbles.
What is vesicular?
The majority of rock-forming minerals are these compounds that are arranged in a tetrahedral shape.
What are silicates?
This is the source of weathered matter from which soils develop.
What is parent material?
These rocks are formed over large areas with the movement of Earth's tectonic plates.
What are regional metamorphic rocks?
obsidian
What is igneous?
A salt or mineral deposit left over after a body of water has evaporated is called this.
What is evaporite?
Minerals can be classified based on their hardness according to this scale named after a German geologist.
What is Moh's scale of mineral hardness?
This is a system for categorizing soils based on their properties.
What is soil taxonomy?
These rocks are made from the broken fragments of other rocks that are compacted and cemented together.
What are detrital sedimentary rocks?
granite
What is igneous?
Some metamorphic rocks are layered, or this other term.
What is foliated?
This is the hardest mineral.
What is diamond?
Soils around the world have been categorized into this many soil orders.
What is 12?
These rocks are formed when lava cools quickly above ground and can appear glassy or vesicular.
What are extrusive igneous rocks?
limestone
What is sedimentary?
A material is organic if it contains this element.
What is carbon?
The eight chemical elements that make up the majority of rock-forming minerals are oxygen, silicon, aluminum, iron, calcium, soduim, magnesium, and this mineral commonly found in bananas.
What is potassium?
This order of dry soils comes from the Latin words aridus and solum.
What is Aridisols?
These rocks are formed by intense heat and chemical reactions when lava touches other rocks, but doesn't melt the rocks.
What are contact metamorphic rocks?
marble
What is metamorphic?
Some factors that affect soils are climate, time and this word that describes the features of a landscape, such as steepness and height.
What is topography?
This mineral is a very soft silicate that comes apart in layered sheets.
What is mica?
What are Mollisols?