This site is titled Rocks: Igneous, Metamorphic and Sedimentary. This just had pictures of igneous, metamorphic and sedimentary rocks.
Slate was shale before it became metamorphosed. Some uses of slate are table tops, walkways, stone to sharpen knives with and patios.
Marble was limestone before it became metamorphosed. Some uses of marble are floors, counters, structural resurfacing and bathroom aplications.
Quartzite was sandstone before it bacame matamorphosed. Some uses of quartzite are glass, clensers, traction in the railroads, recreations on golf cources and even sand in sand boxes.
This picture is the use of slate.
No comments:
Post a Comment