Plate Tectonics
When one oceanic plate subducts under another, you will get an ________
island arc
The law of _____ states that rocks on the bottom are older than rocks on top of a stratigraphic column
superposition
Cinder cones typically have this style of eruption
Stromboli
A system that has an exchange of energy but not matter is this type
closed
This mineral group is the most common rock forming group
silicates
Evidence for seafloor spreading is the ______ pattern of paleomagnetism on each side of the spreading center.
symmetric
This type of wave can move through solid, liquid, or gas
P-wave
A Plinian eruption is associated with this type of volcano
stratovolcano
This type of feedback has a destabilizing effect
positive
This mineral is softer than glass and reacts with HCl
calcite
Convection in this layer of the Earth is thought to drive plate tectonics
mantle
This scale is best for measure magnitude of large earthquakes
Moment Magnitude scale
A volcanic mudflow is called this
lahar
The four spheres of the Earth System include:
geosphere
hydrosphere
atmosphere
biosphere
This mineral is the most stable on Earth's surface
quartz
The most lava comes out of this type of plate boundary and it has this composition
divergent - basaltic
When the hanging wall moves down, it is this type of fault
normal dip slip fault
What does the acronym VEI mean?
Volcanic Explosivity Index
The energy cycle is governed by the laws of thermodynamics, including the second law which states that there is increasing
entropy (disorder)
This mineral has a single chain structure
pyroxene
The temperature above which magnetism is not possible is referred to as the
Curie Temperature
We know that the Earth's inner core is solid because
P-waves speed up
This ropy lava with low viscosity is called
pa hoe hoe
The present is the key to the past refer to this principle
uniformitarianism
These two minerals have one direction of perfect cleavage, which is likely related to its sheet silicate structure (name both)
Muscovite and biotite