These very cyclical currents drive the entire rock cycle.
What are convection currents?
A rock that was sediment, then went under pressure, then was melted down and crystalized or cooled inside a volcano is this type of rock.
What is an intrusive igneous rock?
What is living?
Molten rock that is currently underground.
What is magma?
The process of compaction and _____________ is how sedimentary rocks get created.
What is cementation?
Igneous rocks can be classified into these two types.
What are intrusive and extrusive rocks?
Because sedimentary rock is formed without heat, these keys into Earth's history may also be found in them.
What are fossils?
Metamorphic rock that displays long linear grains of mineral is this type.
What is foliated.
This type of igneous rock is made when lava cools under the oceans or flows down volcanoes.
What is Basalt?
This non-foliated metamorphic rock comes in a variety of colors and has been used throughout history for carving and statuary. The statue of David carved by Michelangelo is made of this.
What is marble?
Rocks can undergo extreme heat and pressure if they travel _______________ usually at a subduction zone.
What is underground?