Is coal a sedimentary rock?

Answered by Kurt Edwards, Geologist and GIS Analyst, INL ESER Program he short answer is yes, coal is a sedimentary rock. Coal is formed mainly from plant material that accumulates in a swampy environment. These plants that become coal, lived before and during the time of the dinosaurs. When the plants died they would sink…

How were the Menan Buttes formed?

Question answered by Dan Moore, Ph.D., Professor of Geology, BYU- Idaho The Menan Buttes are tuff cones, a type of volcano that forms when hot, basaltic magma interacts with water near Earth’s surface. Basaltic magma, produced in Earth’s mantle, travels towards the surface through magma-filled cracks called dikes. As the magma in a dike nears the surface,…