State | Arizona |
---|---|
Name | Orocopia Schist |
Geologic age | Late Cretaceous to Early Tertiary |
Lithologic constituents |
Major
Metamorphic > Schist > Quartz-feldspar-schist (Amphibolite epidote-amphibolite)
Minor
Metamorphic > Metaigneous > Metavolcanic > Metabasalt
Metamorphic > Metasedimentary > MetaclasticMetachert
|
Stratigraphic units | Orocopia Schist |
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.Haxel G.B., Jacobson, C.E., Richard, S.M., Tosdal, R.M., and Grubensky, M.J., 2002, The Orocopia Schist in southwest Arizona: Early Tertiary oceanic rocks trapped or transported far inland, in Barth, A., editor, Contributions to crustal evo |
NGMDB product | |
Counties | La Paz - Yuma |