Geology Crossword

Massive rock made of Earth's lithosphere that move, float and drift.
The latest supercontinent.
The 3rd layer of the Earth
The remains or evidence of any creature or plant that once lived on the Earth.
A rupture in the Earth's Crust that releases lava from under the crust.
A series of fast moving waves in the ocean caused by big earthquakes or large disturbances.
The result of a sudden energy released in the Earth's Crust.
Molten and semi-molten rock found under the Earth's surface.
A period about 99.6 million to 145.5 million years ago when the latest super continent was splitting up.
Describes something that comes from a time before history was recorded.
Fallen snow that compresses into large, thickened ice masses.
A wet mass of volcanic fragments and debris flowing rapidly downhill.
A solid substance made of minerals, often found in or on the ground.
A deep, steep-walled, V-shaped valley cut by a river through resistant rock.
The study of this is called mineralogy.