Results 71 to 80 of about 6,127 (222)

Rocks Associated With the Mississippian-Pennsylvanian Unconformity in Southwestern Indiana [PDF]

, 1957
The purpose of this field conference is to acquaint participants with strata that are associated with the Mississippian-Pennsylvanian unconformity in southwestern Indiana.
Wayne, William J., Perry, T.G., McGregor, Duncan J., Gray, Henry H., Dawson, T.A.   +4 more
core   +2 more sources

THE FAMILY CALCIFOLIACEAE EMEND.,MISSISSIPPIAN-EARLY PENNSYLVANIAN ALGAE

Rivista Italiana di Paleontologia e Stratigrafia, 2006
The family Fasciellaceae was created as a group of red algae. It was emended as a tribe Fascielleae of incertae sedis algae, and related to the tribe Calcifolieae Shuysky emend. Vachard & Cózar. The tribes Fascielleae and Calcifolieae both constitute the
DANIEL VACHARD, PEDRO CÓZAR
doaj   +1 more source

Changes in the architecture of fluvial deposits in the Paganzo Basin (Upper Paleozoic of San Juan province): an example of sea level and climatic controls on the development of coastal fluvial environments

Geologica Acta, 2011
Paganzo Group exposures (Tupe Formation) in the Huaco area provide an excellent opportunity for assessing the role of sea level and climatic changes on the morphology and nature of coastal fluvial systems deposited in areas of limited tectonic activity ...
A. TEDESCO, P. CICCIOLI, J. SURIANO, C.O. LIMARINO   +3 more
doaj  

Aspects of Romanian Palaeozoic Palaeobotany and Palynology. Part III. The Late Carboniferous flora of Baia Nouă, Sirinia Basin

Geologia Croatica, 2012
The Cucuiova Formation is a Pennsylvanian (late Carboniferous) coal-bearing unit in the intramontane Sirinia Basin, which was formed in the Danubian Units of the South Carpathians. The main coal seam in the Cucuiova Formation was worked at Baia Nouă (Nov&
Mihai Emilian Popa, Christopher J. Cleal
doaj   +1 more source

Vein reticulation in seed ferns of the Dobrudzha coalfield Bulgaria

Geologia Croatica, 2012
Alethopteris, Lonchopteris, Paripteris, Linopteris and Reticulopteris are abundant pteridosperm fronds in the Pennsylvanian-age Dobrudzha Coalfield. The transition from fan-shape to reticulate veining in Lonchopteris, Linopteris and Reticulopteris and in
Yanaki Georgiev Tenchov
doaj   +1 more source

Depositional systems and shelf-slope relationships in uppermost Pennsylvanian rocks of the eastern shelf, north-central Texas

, 1970
textThe Eastern Shelf was a constructional platform developed on the margin of the sediment-starved Midland Basin during Late Pennsylvanian and Early Permian time.
Galloway, William E.
core  

New Stratigraphic Rank for the Carboniferous, Mississippian, and Pennsylvanian in Kansas

, 2009
A new classification for the Carboniferous System/Period is formally adopted by the Kansas Geological Survey (KGS), and Zeller (1968) is modified accordingly.
Franseen, Evan K., Watney, W. Lynn, Sawin, Robert S., West, Ronald R., Ludvigson, Greg A.   +4 more
core   +1 more source

The Mississippian-Pennsylvanian and Pennsylvanian-Pleistocene Unconformities in Lucas County, Iowa

, 1925
The object of this paper is to make accessible quantitative data on the magnitude of the Mississippian- Pennsylvanian and Pennsylvanian-Pleistocene unconformities in south-central Iowa. This data is here presented by permission of the State Geologist, Dr.
Lugn, A. L.
core  

Fault dislocations as fluid barriers of hydrocarbon deposits near salt domes in the Dnipro-Donets Depression, Ukraine

Geo&Bio
Within the Dnipro-Donets aulacogen, Devonian salt stocks (diapirs) are widely developed. The suprastock, interstock, and nearstock areas associated with these diapirs have consistently drawn the interest of researchers in the Dnipro-Donets Depression for
Andrey Yakovlev, Iryna Samchuk
doaj   +1 more source

Development of the Mississippian-Pennsylvanian Unconformity in Indiana [PDF]

, 1989
In very early Pennsylvanian time the place nowcalled Indiana was the locus of subaerial erosion. About 8,000 square miles of this landscape is preserved in western Indiana beneath the rocks of the Pennsylvanian System.
Droste, John B., Keller, Stanley J.
core