Geology & Earth Science Crossword Puzzles

_ tectonics: a geological model in which the earth's crust and upper mantle (lithosphere) are divided into a number of segments (plates) which move in …

a deep gorge in the surface of earth formed by the erosion of moving water and sand, the breakdown of rock into smaller particles from the effects of …

a deposit of minerals that is large enough to be mined for profit, a solid that has a crystal structure, a vent in earth's crust, the color of a …

rock salt, ductile bond, soft sulphate, ca-plagioclase, pb-sulphide, fluorescent mineral, oldest mineral, softest mineral, strong bond, hard oxide, …

the upper layer of the earths mantle, a hypothetical super-continent that included all current landmasses, a sudden and violent shaking of the ground, …

loose material made of sediment, the remains of organisms, water, air, and living things, place which the roof of a cave collapses, process in which …

convection currents are located here, clay, water silt, sand,animals,air, organic matter, the breaking down of rocks, carried rocks away, _ igneous - …

low-density surface layer of a planet, wearing down or building up of geological features, dense central region of a planet that has undergone …

a texture of igneous rocks that have cooled slowly in the earth, can see visible crystals, a texture of igneous rocks that have cooled fairly fast but …