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Rocks & Minerals

Jayhlen Brown
Across
Made of clay which has cemented into a hard rock
Fined-grained sedimentary rock created by mud.
Homogeneous metamorphic rock derived from an original sedimentary rock
Highly vesicular dark volcanic rock
Rock that has undergone transformation by heat
Hard non-foliated metamorphic rock
Dark fine grained volcanic rock
Down
Dark coarse grained intrusive igneous rock
Formed when plant matter decays into peat over millions of years.
Foliated metamorphic rock created from slate
Hard sedimentary rock composed of calcium carbohydrate
Rock formed by sediment deposited by water or air
Having solidified from lava
Rock composed of recrystallized carbonate minerals
Light porous rock formed by volcanic ash