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Is the colour of the rock white - Coggle Diagram
Is the colour of the rock white
NO
Does it have pores?
NO
Is it a sedimentary rock?
NO
CONGLOMERATE
YES
BRECCIA
YES
BASALT
YES
Are the grains in the rock rounded?
NO
Has the rock a fossil embedded?
NO
DOLOMITE
YES
LIMESTONE
YES
PUMICE