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Geologists are Gneiss

Teacher: Eileen Gariepy
Across
Plate theory where continents are in motion driven by the earth's mantle
The upper mantle where rocks are cool and brittle
The lower mantle where rocks are warm, soft and pliable
A black, dense rock formed as lava cools at the earth's surface
A large continental landmass that existed 300 mya and has since been broken into our current 7 continents
a geological fault in which the hanging wall appears to have been pushed up along the footwall
The solid core of the earth that is made up of iron and nickle and is extremely hot
Magma that has reached the earth's surface and spills out from the cauldera of a volcano
Down
The thicker portion of the earths crust that is about 20-30 miles thick and makes up the land masses
-slip fault occurs when two plates move laterally right or left against one another
Very fine airborne particles blasted into the atmosphere in a volcanic eruption
A sudden movement of the earth's crust caused by the release of stress accumulated along geologic faults or by volcanic activity.
The liquid portion of the earth's core that is highly radioactive
The portion of the earth's crust that is made primarily of basalt and is only 3-4 miles thick
A large wave on the ocean, usually caused by an undersea earthquake, a volcanic eruption, or coastal landslide.
Molten rock bubbling up from the earth's mantle
The 2000 mile thick mass of rock beneath the earth's crust that is responsible for plate movement
Very porous igneous rock formed when gas rich frothy magma solidifies
A type of fault where the hanging wall has slipped down below the footwall