types of rocks research project

Sedimentary Rocks

Shale Rock :Shale Red, brown and green colors are indicative of ferric oxide (hematite – reds), iron hydroxide (goethite – browns and limonite – yellow), or micaceous minerals

Limestone: the color of limestone is white, it is a organic material that has a different affect in color.

Sandstone:Initially red soon after sand grains, So the sand on the rock can scatter around the rock.

Chert: The color of Chert is Green, Yellow, and Red

Breccia: The color of Breccia is sorta of  reddish-brown color

Igneous Rocks

Granite is light colored with large grains the eyes are visually able to see the color of the rock Granite is colored with light grain that eyes are visually to see

Basalt is a dark fine grained volcanic rock that sometimes displays a columnar structure

Pumice is a very light and porous volcanic rock formed when a gas rich froth of glassy lava the color of pumice is a real light color plus it is used in lightweight concrete.

Dacite is  a volcanic  rock resemblance andesite but containing free quartz the color  of it is gray to a pale-brown, or it can also be black.

Rhyolite is

  1. a pale fine-grained volcanic rock of granitic composition, typically porphyritic in texture. The color of is Dark Colored volcanic glass

Metamorphic Rock

Slate: Is a gray color with a slight azure tinge that is a representation of average color of slate

Schist: Is often alternating lighter, and darker bands. Often shiny

Gneiss: It has light and dark shading brands contain mostly quartz and feldspar.

Marble: is a grayish color with specs of orange

Quartzite:  colors are white to gray, other colors such as green and blue