Crossword Puzzle for Rocks and Minerals

the solid mineral material forming part of the surface of the earth and other similar planets, exposed on the surface or underlying the soil or oceans.
a solid inorganic substance of natural occurrence.
the stratification or layering of rocks or other geological materials.
hot fluid or semifluid material below or within the earth's crust
hot molten or semifluid rock erupted from a volcano or fissure, or solid rock resulting from cooling of this.
igneous rocks that form from crystallized magma beneath the earth's surface
igneous rocks formed on the surface
occurs when only a portion of a solid is melted
formed through the cooling and solidification of magma or lava
Veins of extremely large-grained minerals
large, well-formed crystals surrounded by fine-grained crystals of the same or different minerals
size, shape, and distribution of crystals or grains that make up a rock 
when mineral growth cements sediment grains together into rock
chemical sedimentary rocks that form as a result of crystal grains precipitating out of a supersaturated body of water
a subsurface area of rock that has enough porosity to allow for the accumulation of oil, natural gas, or water
the percentage of open spaces between grains in a rock
sediments having particles ranging in size from boulders to microscopic particles, which often have worn surfaces and rounded corners.
a naturally occurring solid material from which a metal or valuable mineral can be profitably extracted.