What's this method of extraction called?
open pit
Name the TWO main types of igneous rocks.
intrusive and extrusive
Name TWO types of metamorphism.
Contact and regional
What do we call rocks that are formed when lava cools down?
igneous
What's the difference between magma and lava?
Magma is molten rock inside the Earth, lava is molten rock when it breaks out.
What do some sedimentary rocks contain that other types don't?
fossils / organic remains
Boulder, cobble and pebble are classifications of ... rocks.
sedimentary
Name the layers of the Earth.
crust, mantle, outer core, inner core
What's the name of someone who looks for mineral deposits on the surface?
prospector
Name two types of surface mining.
open pit/cast/cut , strip mining
Horizontal, slope and shaft are examples of .... mining.
subsurface
What's the name of mineral searching that's based on aerial photography or large areas?
remote sensing
What do sensors in the geophysics method receive and analyse?
shock waves / vibrations
What are the two main processes involved in the formation of metamorphic rocks?
heat and pressure
Compaction and cementation are two of the processes involved in the formation of...
sedimentary rocks