Pliocene to middle Miocene volcanic rocks (AZTvy;0)

State	Arizona
Name	Pliocene to middle Miocene volcanic rocks
Geologic age	Middle Miocene to Pliocene
Original map label	Tvy
Comments	Rhyolite to andesite associated with units Tby and Tb
Primary rock type	rhyolite
Secondary rock type	dacite
Other rock types	andesite; alkaline basalt; basalt; conglomerate; sandstone; sedimentary breccia
Lithologic constituents	Major Igneous > Volcanic > Felsic-volcanic > Rhyolite (Flow) Minor Igneous > Volcanic > Felsic-volcanic > Dacite (Flow) Igneous > Volcanic > Mafic-volcanic > Andesite (Flow) Incidental Sedimentary > Clastic > Sandstone (Bed) Sedimentary > Clastic > Conglomerate (Bed) Sedimentary > Clastic > Sedimentary-breccia (Bed) Igneous > Volcanic > Alkalic-volcanic (Volcaniclastic)alkali basalt Igneous > Volcanic > Alkalic-volcanic (Pyroclastic)alkali basalt Igneous > Volcanic > Alkalic-volcanic (Flow)alkali basalt Igneous > Hypabyssal > Felsic-hypabyssal > Hypabyssal-rhyolite (Stock or pipe) Igneous > Hypabyssal > Felsic-hypabyssal > Hypabyssal-rhyolite (Dome) Igneous > Hypabyssal > Felsic-hypabyssal > Hypabyssal-rhyolite (Dike or sill) Igneous > Hypabyssal > Felsic-hypabyssal > Hypabyssal-dacite (Stock or pipe) Igneous > Hypabyssal > Felsic-hypabyssal > Hypabyssal-dacite (Dome) Igneous > Hypabyssal > Felsic-hypabyssal > Hypabyssal-dacite (Dike or sill) Igneous > Hypabyssal > Mafic-hypabyssal > Hypabyssal-andesite (Stock or pipe) Igneous > Hypabyssal > Mafic-hypabyssal > Hypabyssal-andesite (Dike or sill) Igneous > Hypabyssal > Mafic-hypabyssal > Hypabyssal-basaltic-andesite (Stock or pipe) Igneous > Hypabyssal > Mafic-hypabyssal > Hypabyssal-basaltic-andesite (Dike or sill) Igneous > Volcanic > Felsic-volcanic > Rhyolite (Volcaniclastic) Igneous > Volcanic > Felsic-volcanic > Rhyolite (Pyroclastic) Igneous > Volcanic > Felsic-volcanic > Dacite (Volcaniclastic) Igneous > Volcanic > Felsic-volcanic > Dacite (Pyroclastic) Igneous > Volcanic > Mafic-volcanic > Andesite (Volcaniclastic) Igneous > Volcanic > Mafic-volcanic > Basaltic-andesite (Volcaniclastic) Igneous > Volcanic > Mafic-volcanic > Basaltic-andesite (Pyroclastic) Igneous > Volcanic > Mafic-volcanic > Basaltic-andesite (Flow) Igneous > Volcanic > Mafic-volcanic > Basalt (Volcaniclastic) Igneous > Volcanic > Mafic-volcanic > Basalt (Pyroclastic) Igneous > Volcanic > Mafic-volcanic > Basalt (Flow) Igneous > Volcanic > Mafic-volcanic > Andesite (Pyroclastic)
Map references	Richard, S. M., Reynolds, S.J., Spencer, J. E., and Pearthree, P. A., 2000, Geologic Map of Arizona: Arizona Geological Survey Map 35, 1 sheet, scale 1:1,000,000.
Unit references	Richard, S. M., Reynolds, S.J., Spencer, J. E., and Pearthree, P. A., 2000, Geologic Map of Arizona: Arizona Geological Survey Map 35, 1 sheet, scale 1:1,000,000. Lynch, D.J., Neogene volcanism in Arizona: the recognzable volcanoes, in Jenney, J.P., and Reynolds, S.J., editors, Geologic evolution of Arizona: Arizona Geological Society Digest 17, p. 681-700. Nealey, L.D., and Sheridan, M.F., 1989, Post-Laramide volcanic rocks of Arizona and northern Sonora, Mexico, and their inclusions, in Jenney, J.P., and Reynolds, S.J., editors, Geologic evolution of Arizona: Arizona Geological Society Diges
Geographic coverage	Apache - Coconino - Gila - La Paz - Maricopa - Mohave - Yavapai