Rock is a solid mass of minerals that have joined together over time. Geology is the study of how the Earth is formed and the things that happen to the Earth. As part of this, geologists study rocks ...

The official state rock of Nevada gives color to Valley of Fire and Red Rock Canyon and keeps the rain and snow off some pretty important people in Carson City. Sandstone is everywhere in the Silver ...

Sedimentary rocks are made up of pieces of older rocks (igneous, metamorphic, and sedimentary) and organic remains (shells, bone, etc.). When rocks break apart from erosion they are transported by ...