Rocks and Landforms Research Project

Igneous Rock

Igneous Rock is formed through the cooling and solidifying of molten materials.

Metamorphic

Metamorphic rock is a rock that was once one form of rock but has changed to another under the influence of heat,pressure, or some other agent without passing through a liquid phase.

Sedimentary Rocks are types of rock that are formed by the deposition of material at the Earth's surface and within bodies of water.

                    Metamorphic Rock

Slates color is black shades of  blue,green,red, and brown. It does not have a streak.

Schists colors are grey and dark brown. It does not have a streak.

Gneiss's color are grey and pink. It's streak is dark like black or brown.

Marbles colors are white,bluish,grey,pink,yellow or black. It's streak is white.

Quartzite's colors are yellow,green,blue, and orange. It's streak is white.

                        Igneous Rock

Basalts colors are grey or black. It's streak is white.

Granites colors are white,pink,or grey. It's streak is white or no color at all.

Obsidians color is a dark color like black,grey, or brown. It's streak is black.

Pumices colors are white or dark grey. It's streak is a light grey.

Rhyolite colors are white,grey,greenish, and reddish. It does not have a streak.

                       Sedimentary  Rock

Shales colors are green,gray,black,or dark green. It's streak is Black.

Sandstones colors are red  or gray. It's streak is colorless.

Conglomerates colors are  brown,black, or gray. It's streak is greenish black to brownish black.

Breccas can really be any color. It's streak is black.

Coals color is black. It's streak is black.

Limestones colors are white or light gray. It's streak is greenish black to brownish black.

Travertines color is red. It does not have a streak.