metals
what is the most valuable precious metal
platinum
what type of rock forms from solidified magma
igneous
earthquake zone that includes the San Andreas Fault
circum-Pacific belt
broad and gently sloping with mild eruptions
shield volcano
idea that undisturbed layers of sediment lie in the order they were laid
superposition
the most reflective metal
silver
Most common igneous rock
basalt
most reliable method for mathematically measuring an earthquakes strength
moment magnitude scale
large piece of solid volcanic ejecta that solidify before ejection
volcanic block
type of rock that forms when layers of small particles laid down by water are hardened into rock
sedimentary
reddish-orange metal that conducts electricity well
copper
organic sedimentary rock that is a fossil fuel
coal
earth quake waves help us study what?
earths interior
volcanic ejecta that hardens to form smooth or ropy surface
pahoehoe
the final step in metallurgy
shaping
refined using blast furnaces
iron
streaked metamorphic rock formed from limestone
marble
type of fault in which rocks on one side move horizontally along the fault
strike-slip fault
narrow zone of active volcanoes that nearly encircles the Pacific Ocean
Ring of Fire
what structure ejects solid materials from a volcano
vent
metal used in radiation shielding, car batteries, and ammunition
lead
fine grained sedimentary rock known for its ability to split into layers
shale
fastest type of earthquake wave
P wave
general term for any solid volcanic ejecta
pyroclast
red variety of corundum
ruby