Volcanoes
The term for magma when it is found on Earth's surface?
What is lava?
If rocks return to their original shape when stress is removed, we call this __________ deformation
What is elastic deformation?
An episode of mountain building.
What is an orogeny?
The agreed age of the Earth.
What is 4.6 billion years old?
A zone in a solar system where liquid water can exist.
What is a habitable zone?
Based on composition alone, we can expect silica-rich (felsic) rocks to melt at ________ temperatures compared with mafic rocks
What is lower?
The San Andreas fault represents this kind of fault zone.
What is strike-slip?
This mountain belt formed when the Indian subcontinent collided with the Eurasian plate.
What are the Himalayas?
When a shell or another structure is buried in sediment and then dissolved by underground water
What is a mold?
The event that led to the rise in O2 in the atmosphere?
What is the Great Oxygenation Event?
The area of igneous activity commonly called the Ring of Fire
What is the pacific ocean?
Two types of dip-slip faults
What are normal and reverse?
A volcanic mountain belt formed when there is oceanic-continental convergence
What is a continental volcanic arc?
A date that specifies the actual number of years that have passed since an event occurred.
What is a numerical date?
What is carbon dioxide?
A magma’s viscosity is directly related to
What is silica content?
Folding is usually the result of
What is compressional stress?
The zone where two continents collide and are "welded" together
What is a suture?
This principle states that in any undeformed sequence of sedimentary rocks, each bed is older than the one above and younger than the one below.
What is the principle of superposition?
This is known as the age of dinosaurs.
What is the Mesozoic?
The general term for igneous material emplaced at depth
What is a pluton?
The rise of land masses that were depressed by the huge weight
What is an isostatic rebound?
Fault block mountains are a result of this kind of stress.
What is tensional?
The Eon ranges from 4.6 billion years to 541 million years ago.
What is the Precambrian?
The huge expansion in biodiversity occurred at the beginning of the Paleozoic era.
What is the Cambrian Explosion?