igneous rocks of Austin age (TXKi;0)

State	Texas
Name	igneous rocks of Austin age
Geologic age	Phanerozoic \| Mesozoic \| Cretaceous-Late
Original map label	Ki
Comments	Alkalic basalt, and pyroclastic rocks altered to nontronite; in form of sills, laccoliths, volcanic necks, and dikes
Primary rock type	basalt
Secondary rock type	pyroclastic
Other rock types
Lithologic constituents	Major Igneous > Volcanic > Mafic-volcanic > Basalt (Pyroclastic) Minor Igneous > Volcanic > Mafic-volcanic > Basalt (Flow) Incidental Igneous > Hypabyssal > Mafic-hypabyssal > Hypabyssal-basalt
Map references	Bureau of Economic Geology, 1992, Geologic Map of Texas: University of Texas at Austin, Virgil E. Barnes, project supervisor, Hartmann, B.M. and Scranton, D.F., cartography, scale 1:500,000
Unit references	Bureau of Economic Geology, 1974, San Angelo Sheet, Geologic Atlas of Texas, Bureau of Economic Geology, University of Texas at Austin, scale 1:250,000.
Geographic coverage	Kinney - Travis - Uvalde - Zavala