30 Words about Rocks Crossword

Rocks formed from cooling magma
Molten Rock that does not reach the Earth's surface
Water or chemicals in the water air reacting and breaking down rock
Removal of weathered rock particles from the site of the weathering
Rocks made by sediments being cemented together
Layers of sedimentary rocks
Contact with not magma as it pushes through the mantle and crust
A light coloured igneous rock
A dark coloured igneous rock
An extrusive igneous rock that is like glass
A light coloured extrusive igneous rock that is full of gas bubbles
A hard crystalline metamorphic form of limestone
A hard sedimentary rock, mainly used as building material
A hard mineral consisting of silica, found widely in igneous and metamorphic rocks
One of the three pure copper ores
Another one of the three pure copper ores
A course grain igneous rock
An igneous rock consisting of mainly quartz, mica and is often used as building stone
A bright blue metamorphic rock
A dark plutonic rock of crystalline texture
Igneous rock formed by solidification at considerable depth of the Earth's surface
The layer of the Earth that is made out of iron and nickel
The outermost layer of the Earth
The region of the Earth's interior between the crust and core
A mountain or hill, having a crater or vent through which lava flows from the Earth's core
A loose granular substance, typically pale yellow
A white crystalline used in cooking
A dark brownish or greyish volcanic rock which is a common constituent of lava in some areas
A dense plutonic rock containing large amounts of olivine
A magnesium-rich rock with criss-cross olivine crystals