Rhyolite to diabase porphyry dikes (WYYd;0)

State	Wyoming
Name	Rhyolite to diabase porphyry dikes
Geologic age	Proterozoic \| Mesoproterozoic
Original map label	Yd
Primary rock type	rhyolite
Secondary rock type	diabase
Other rock types
Lithologic constituents	Major Igneous > Plutonic (Diabase) Igneous > Volcanic > Felsic-volcanic > Rhyolite
Map references	Love, J.D. and Christiansen, Ann Coe, 1985, Geologic Map of Wyoming: U.S. Geological Survey. [http://pubs.er.usgs.gov/publication/ofr83802]
Unit references	Love, J.D. and Christiansen, Ann Coe, 1985, Geologic Map of Wyoming: U.S. Geological Survey. [http://pubs.er.usgs.gov/publication/ofr83802]