Elements and Minerals
The most abundant element in Earth's crust.
What is oxygen?
The heat transport mechanism that is said to cause plate movement.
What is convection?
The type of fold that exhibits younger units in the center and older units on the outer edges.
What is a syncline?
The small spherical clasts found in carbonate rocks.
What are ooids?
The celestial body that is theorized to have collided with Earth to form the Moon.
What is Theia?
The first mineral to crystallize, according to Bowen's reaction series.
What is Olivine?
The stratovolcano that erupted in 1980 and caused $1.1 billion in damages.
What is Mount St. Helens?
The point at which an earthquake begins.
What is an epicenter?
What is an Aeolian Dune?
Vents in the Earth's surface that release volcanic gases and steam.
The process that creates the distinctive "lines" in alkali feldspars.
The measurement index for volcanic eruptions.
What is the Volcanic Explosivity Index (VEI)?
What is an Isoclinal Fold?
Grain size range of very fine sand.
What is between 1/8 mm - 1/16 mm?
The rate of increase in temperature per unit depth in the Earth from the core heat flow.
What is the Geothermal Gradient?
This mineral's chemical formula is NaAlSi3O8.
What is Albite?
The type of volcano formed by accumulation of pyroclastic material near the vent.
What is a cinder cone?
A large anticline where a series of minor anticlinal folds are superimposed.
What is an Anticlinorium?
Poorly sorted siliciclastic sedimentary rock containing a wide range of clast size.
What is Diamictite?
Transverse seismic waves that can only move through solids.
What are S waves?
The half life of Uranium-238.
Tear shaped pyroclastic formed as lava is cooled quickly while flying through the air.
A large block of rock that has remained in the location it was formed.
What is an Autochthon?
Walther's Law of Facies.
What is the idea that vertical succession of sedimentary units reflect lateral changes in depositional environments over time?
The region of initial, high-velocity upward flow of volcanic material from the vent.
What is the Jet Phase?