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Rocks are made of _________.
Rock found with imprints from the past.
Common weight of rocks, sand & gravel.
Type of sedimentary rock.
All rocks come from other ___________.
Formed when rocks break down.
Consists of loose grains of material and rocks.
A Mulzer Quarry location.
Type of rock meaning "made by heat".
Top edge of quarry.
Journal kept aboard river barges or timber.
Tested by scratching one mineral with another.
Movement of materials from one place to another.
Used to pave roads.
Material used to build ships or bottom part of boat.