AGS GB 41. The Wichita Paleoplain in the Llano Uplift, Texas

AGS GB 41

AGS GB 41. The Wichita Paleoplain in the Llano Uplift, Texas, by P. R. Rose, T. E. Ewing, and C. M. Woodruff, Jr. Austin Geological Society Guidebook 41, 94 p., 2022Print.

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From the introduction:

"The regional unconformity between Lower Cretaceous strata and the underlying Precambrian and Paleozoic formations was named the Wichita Paleoplain (hence WPP) by R.T. Hill (1901). It represents an ancient erosion surface that developed across most of the south-central United States during ~175 my, from late Pennsylvanian (Missourian) to the last half of the early Cretaceous (Barrimean-Albian). This guidebook addresses the WPP along the southern edge of the Llano Uplift, where various Lower Cretaceous strata rest upon an ancient geological landscape developed upon a complex Precambrian terrane of metamorphic and intrusive-igneous formations broken by a series of regional southwest-to-northeast fault blocks consisting primarily of Cambro-Ordovician and Carboniferous carbonate formations."


Keywords: Central Texas, Hill Country, Texas, Wichita Paleoplain, Llano Uplift



Citation
P. R. Rose, T. E. Ewing, and C. M. Woodruff, Jr., 2022, The Wichita Paleoplain in the Llano Uplift, Texas, Austin, Texas, Austin Geological Society Guidebook 41, 94 p.