For geologists, the type of geological formation that is likely to produce a given mineral is much more useful information than the information you find in traditional maps. As a result, they don't tend to create and maintain range maps like, for example, ornithologists do.
Vesuvianite, which is a relatively common mineral, is most often found in metamorphic rocks like marbles and skarns.
Marble is made when a limestone deposit is super-heated by high underground temperatures. Skarns are similar, but have a more few components than marble.
Igneous rocks, which are formed from volcanic magma, may also contain Vesuvianite. Countries with lots of igneous and metamorphic rocks are "hot spots" for Vesuvianite. |
Mineralogist Bob Gault with a drawer of specimens from the Jeffrey Mine. |
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