Publications by Johns, D.A.
| Title | Publication Year | Abstract | Author | Series | Publisher | |
|---|---|---|---|---|---|---|
|
Lithogenetic stratigraphy of the Triassic Dockum Formation, Palo Duro basin, Texas | 1989 | Four clastic depositional sequences compose the lower part of the Triassic Dockum Formation in the Palo Duro Basin. |
Johns, D.A. | Report of Investigations | Bureau of Economic Geology |
|
Regional depositional systems tracts, paleogeography, and sequence stratigraphy, Upper Pennsylvanian and Lower Permian strata, north- and west-central Texas | 1990 | Sixteen depositional sequences, commonly called cyclothems, each composed mostly of limestone(retrogradational/transgressive) and siliciclastic (progradational/regressive) subsequences, or systems tracts, record the paleogeography during Late Pennsylvanian (Virgilian Epoch) and Early Permian (Wol |
Brown, L.F., Jr., Solis-Iriarte, R.F., Johns, D.A. | Report of Investigations | Bureau of Economic Geology |
|
Regional stratigraphic cross sections, Upper Pennsylvanian and Lower Permian strata (Virgilian and Wolfcampian Series), north-central Texas | 1987 | This cross section set comprises 14 dip (E-W) sections and 9 strike (N-S) stratigraphic cross sections (with text), correlating upper Pennsylvanian (Virgilian) and lower Permian (Wolfcampian) strata throughout the subsurface in all or parts of 28 counties of North-Central Texas. |
Brown, L.F., Jr., Solis-Iriarte, R.F., Johns, D.A. | Cross Sections | |
|
Less Frequented Springs of the Austin Area, Texas | 2017 | Cherepon, Alan J., Pope, Sylvia R., Hiers, Scott E., Berry J. L, Dickerson, P. W., Johns, D.A. | Austin Geological Society | Austin Geological Society |