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What terms describes the way light is reflected from the surface of a mineral
luster
What is the point on the earths surface directly above where an earthquake begins
epicenter
What type of rock forms when magma solidifies
igneous
What is the fastest type of earthquake wave
P wave
The idea that undisturbed sedimentary strata lie in the order they were laid down is the law of
superposition
What is the most valuable precious metal
platinum
What are the large pieces of solid volcanic ejecta that solidify before being ejected from the volcano
volcanic block
What are smaller earthquakes that follow a larger earthquake for days or months
aftershocks
A group in an experiment on which a test is performed is called a
experimental group
What group of minerals contain flourine, chlorine, bromine and iodine
halides
What type of volcano is broad and gently sloping with mild eruptions
shield volcano
What is a soil substance composed of decayed organisms particles
humus
What type of mining involves the miners removing pillars in specific order to allow the least stress on the walls and ceilings of the mine
retreat mining
The general term for any piece of solid volcanic ejecta is
pyroclast
What large group of minerals contains silicone and oxygen
silicates
What term describes rocks that bend downward during the folding process to form a trough-like structure
syncline
What nutrient do plants need for cell division, growth and maturity
potassium
What is the layer of solid rocks below the soil
bedrock
Minerals are rated from softest to hardest using what scale
Mohs scale
What is the rocky surface layer of the earth
crust
What is the logic error in which someone assumes a change in one factor caused the change in another factor only because the second change occured after the first
post hoc fallacy
What type of volcanic ejecta is lava hardened to form either a smooth surface or a ropy surface
pahoehoe
What are the deposits of sand, mineral fragments or organic materials usually left by wind or water
sediments
The narrow zone of active volcanoes that nearly encircles the Pacific basin is the
Ring of Fire
In what type of fault do the rocks along one side move horizontally along the fault
strike-skip fault