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Hard Working Rocks

Across
Consists of the shells of tiny dead sea creatures.
Type of Sedimentary rock
Common in desert areas.
Often have smooth, rounded edges.
Rocks made of bits of other rocks.
Sedimentary Rocks can have these in them.
Down
Used to make aluminum.
Commonly used as fuel to make electricity.
Rocks that are formed on or near Earth's crust.
Found in Italy, Turkey & Greece.
Made of sharp-edged, angular large grains.
Called chemical rocks.
Made of the mineral calcite.
Fragments of rocks & minerals.
State where bauxite was first mined.