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Geologic units containing ultramafitite

Earth material > Volcanic rock
Ultramafitite
A volcanic rock with color index (M) greater than or equal to 90
This category is also used for ultramafitite (komatiite).
Subtopics:
(none)
Minnesota
Minnesota
Gabbro, diorite, peridotite, and associated komatiitic flows of the Deer Lake sequence in Itasca County and the upper part of the Newton Lake Formation in Lake and St. Louis Counties (Late Archean)
Gabbro, diorite, peridotite, and associated komatiitic flows of the Deer Lake sequence in Itasca County and the upper part of the Newton Lake Formation in Lake and St. Louis Counties

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