Sandstone is part of the sedimentary rock
family. Quartz is what sandstone is
made up of. They are made, when the
wind or water, moves the sand in.
It is a rock consisting of
individual clasts within a finergrained matrix that have become
Shale is a fine-grained, clastic sedimentary
rock composed of mud that is a mix of
flakes of clay minerals and tiny
fragments (silt-sized particles) of other
minerals, especially quartz and calcite.
It is composed largely of
the minerals calcite and aragonite,
which are different crystal
forms of calcium carbonate.
is a soft brown combustible sedimentary
rock that is formed from naturally
METAMORPHIC ROCKS ARE ROCKS
THAT CHEMICALLY CHANGED IN
FORM, STRUCTURE, AND
COMPOSITION UNDER GREAT HEAT