Reading and Writing Center. The Westfield State University Reading and Writing Center is dedicated to supporting and encouraging all students, faculty, and staff as they write to communicate their ideas and to discover new ones.
Below is a list of some other places where you can see outcroppings of Madison Limestone. It can be found near the surface in the sky-blue areas (labelled uPZ in some places) on this Geologic Map of Montana (click on the map to enlarge it when the page opens up).
The minerals that compose gneiss are the same as granite. Feldspar is the most important mineral that makes up gneiss along with mica and quartz. Gneiss can be formed from a sedimentary rock such as sandstone or shale, or it can be formed from the metamorphism of the igneouse rock grantite.