Results 111 to 120 of about 6,127 (222)

Pennsylvanian And Lower Permian Stratigraphy And Shale Gas Potential Of The Palo Duro Basin

open access: yes, 2020
The Palo Duro Basin is a northwest-southeast trending cratonic basin in the Texas Panhandle that formed from uplift of the Amarillo/Wichita Mountains during the Pennsylvanian, and subsequent subsidence during the Permian.
Talbert, Brendan
core  

The Paleoecology of Vegetation on Pennsylvanian Basin Margins

open access: yes, 2010
Most paleobotanical studies involving Pennsylvanian vegetation have focused on communities that inhabited mires and associated clastic substrates in poorly drained basinal lowlands.
Bashforth, Arden Roy
core  

Some Pennsylvanian Chondrichthyan Spines from Nebraska

open access: yes, 1983
Fragmentary, dermal spines of Pennsylvanian chondrichthyans from Cass and Sarpy counties, Nebraska, are described. Forms that have been identified include the genera Acondylacanthus, Amelacanthus, Bythiacanthus, and Physonemus and an indeterminate ...
Maisey, John G.
core  

The Ledges and Pennsylvanian Problems in Iowa

open access: yes, 1934
The geological location of the Ledges in the state, the kinds of rock found there and their arrangement together with their structural features and some other factors, suggest a number of problems concerning the Pennsylvanian system of rocks in Iowa ...
Smith, John E.
core  

Correlation of Pennsylvanian and Permian Strata in Coconino County, Arizona

open access: yes, 2003
Subsurface strata of Pennsylvanian and Permian age in the western Holbrook Basin are correlated with outcrops in Grand Canyon and Sedona area. Subsurface correlations on the four cross sections are based on geophysical (gamma ray, neutron, density, and ...
Rauzi, S.L.
core  

Buried, not erased: palynofloras in ultra-high-pressure metamorphic rocks. [PDF]

open access: yesSci Rep
Carosi R   +6 more
europepmc   +1 more source

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