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Kimberlite pipes and intrusives in diatremes

KIMBERLITE PIPES AND INTRUSIVES IN DIATREMES--Massive porphyritic to brecciated intrusive masses and dikes. Several diatremes contain diamonds, xenoliths of Silurian and Ordovician limestones and dolomites, fragments of Precambrian crystalline rocks, and xenoliths of peridotite, westerite, and eclogite.
State Wyoming
Name Kimberlite pipes and intrusives in diatremes
Geologic age Phanerozoic | Paleozoic | Devonian
Primary rock type kimberlite
Secondary rock type
Other rock types
Lithologic constituents
Major
Igneous > Plutonic > Ultramafic > Peridotite > Kimberlite
Map references
Love, J.D. and Christiansen, Ann Coe, 1985, Geologic Map of Wyoming: U.S. Geological Survey.
Unit references
Love, J.D. and Christiansen, Ann Coe, 1985, Geologic Map of Wyoming: U.S. Geological Survey.