News

The metamorphic versions of other sedimentary rocks like sandstone and shale are well known, at least to home renovators. Quartzite kitchen benches were once sandstone, and slate tiles are the ...
Week 4: Rocks To prepare for this lab, you should review the background information about the three rock types on p.52-58. You already should know something about igneous and sedimentary rocks from ...
Rocks turn metamorphic when they are subjected to very high heat and pressure. This alters the chemical and structural makeup of the minerals within the rock, changing it into a new metamorphic rock.
Gravestones can be made from plutonic rocks, like gabbro and granite, metamorphic rocks, like slate and marble and more rarely of sedimentary rocks, likes sandstone and limestone.
The fourth rock is a metamorphic rock known as the Chickies Formation quartzite. Quartzite was originally a sandstone before heat and pressure during a mountain-building episode changed it to a ...
While the molten and partially molten material that make igneous rocks tend to wipe away the traces of ancient organisms, the temperatures and pressures producing metamorphic rocks typically ...