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Rocks and Minerals

Gabriel Lucas
Across
persevered traces of organic life from the geologic past
igneous rock formed outside of the earth's crust
small particles of stone
a trait of a mineral that means it breaks apart on a smooth surface
a type of rock formed by cooling magma or lava
a simple substance that can be made by some substances
igneous rock formed inside the earth's mantle
a type of rock formed by compaction and cementation of sediment
a rock formed by existing rock by heat and pressure
bits of rock
made liquid by great heat and pressure
round rocks cemented together
to form crystals by evaporating salt water
Down
a chalky sedimentary rock
a cycle which rock is recycled
a natural, inorganic, solid with a definite chemical composition, and a crystal structure
sedimentary rock made by the evaporation of salt water
A type of igneous rock
a common intrusive rock found at ocean floor
the process that dissolved minerals crystallize
a mineral that makes pencil lead
ore found in sedimentary rock and volcanic rock
the process of sediments compacting in great pressure
a process that sediments are pressed tightly together
the smallest partial the makes up all inorganic matter