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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).
Non-foliated metamorphic rocks such as hornfels, marble, quartzite, and novaculite do not have a layered or banded appearance. Pictures and brief descriptions of some common types of metamorphic rocks are shown on this page. Hornfels is a fine-grained nonfoliated metamorphic rock with no specific composition.uartzite is a non-foliated metamorphic rock that is produced by the metamorphism of sandstone. It is composed primarily of quartz. The specimen above is about two inches (five centimeters) across.