This is the supercontinent that preceeded Pangea
What is Rodinia?
A set of rules that predicts the orientation of a planar structure as it relates to topography.
What is the rule of V's?
The largest extinction event in the rock record occurred during this period.
What is the Permian?
Clay will compact into this kind of rock.
What is shale?
This is something Dr. Deans should do.
What is grow his beard out.
This is a mappable body of rock or sediment defined and identified solely on the basis of its bounding disconformities.
What is an allostratigraphic unit?
A mineral that is extinct for 360 degrees in cross polarized light.
What is an isotropic mineral?
The mantle is made of this.
What is peridotite?
This is the highest point of a river's floodplain.
What is a natural levee?
This is the only naturally occurring rock that can float.
What is pumice?
This is the interval between the first appearance datum and the last appearance datum of a single taxon.
What is a Taxon Range Zone?
A section of a biaxial mineral that provides the greatest birefrigence but a poor interference figure.
What is the optic normal?
This has to decrease in order for sedimentary particles to be deposited from a fluid.
This causes a water well to automatically flow to the ground surface without a pump.
What is artesian pressure?
These are pieces of ancient oceanic crust and upper mantle that have been tectonically emplaed on continental crust.
What are ophiolites?
The Mediterranean Sea almost completely evaporated during this epoch.
What is the Miocene?
An area in the lower crust at a plate boundary where there is melting, assimilation, storage, and hybridization.
What is a MASH zone?
These are the best index fossils for the Cambrian.
What are trilobites?
A sandstone with a high percentage of feldspar grains.
What is arkose?
What is the potentiometric surface?
This is a transgressive unconformity.
What is a ravinement surface?
What is the failure envelope?
This qualitiy of a magma controls the explosivity of a volcano.
What is viscosity?
A type of sand dune that occurs when the wind blows from many directions.
What is a star dune?
The line or curve connecting the lowest elevations within a valley or watercourse.
What is the thalweg?