Results 91 to 100 of about 6,127 (222)

Pennsylvanian-Permian conodont succession from the Bird Spring Formation, southeastern California

open access: yes, 1969
Thesis, (M.S.) Geological SciencesThe occurrence of conodonts in the pennsylvanian-Permian Bird Spring Formation of the Providence Mountains, San Bernardino County, California, is the first report of Carboniferous conodonts in California.
Law, Ben E.
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Paleogeomorphology Affecting Early Pennsylvanian Floras in Rock Island County, Illinois

open access: yes, 1980
Plant fossils preserved in basal Pennsylvanian rocks of western Illinois are significant because composition of many of the paleofloras differs from those of more commonly preserved and better studied coal swamp floras. Each Early Pennsylvanian (Namurian
Leary, Richard Lee
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The Autobiography of a Pennsylvanian [PDF]

open access: yesThe American Historical Review, 1918
Ellis Paxson Oberholtzer   +1 more
openaire   +1 more source

Pennsylvanian bryozoans from the Cantabrian Mountains (northwestern Spain)

open access: yes, 2008
Bryozoans from six Pennsylvanian localities in the Cantabrian Mountains (northwestern Spain) are described. The faunas include 54 species, of which two are new, Streblotrypa (Streblotrypa) peculiaris sp. nov. and Bashkirella minor sp. nov.
Winkler Prins, C.F.   +2 more
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Quartz-grain surface textures: evidence for a tropical climate during the Middle Pennsylvanian in eastern Canada

open access: yes, 1985
Scanning electron microscope examination of quartz grains separated from conglomerates in an alluvial fan sequence within the Pennsylvanian Fowler Head Formation of Nova Scotia revealed surface characteristics that are typical of those obtained from ...
H. W. van de Poll, A. Murray D'Orsay
core   +1 more source

Angular unconformity in Pennsylvanian strata from 3-D seismic interpretation, Goldsmith Field, West Texas

open access: yesEnergy Geoscience
The Pennsylvanian unconformity, which is a detrital surface, separates the beds of the Permian-aged strata from the Lower Paleozoic in the Central Basin Platform.
Edwin I. Egbobawaye   +5 more
doaj   +1 more source

Pennsylvanian stratigraphy in South-Central Idaho and adjacent areas

open access: yes
The Pennsylvanian rocks in south-central Idaho and adjacent areas consist of three main facies: a platform facies, a shelf facies, and a marginal basin facies.
Axelsen, Claus
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Endelocrinus Kieri in the Pennsylvanian of Nebraska [PDF]

open access: yes, 1972
Author Institution: Research Associate, West Virginia Geological Survey, and Curator of Collections, Cleveland Museum of Natural History, Cleveland, Ohio 44106The occurrence of the Pennsylvanian crinoid Endelocrinus kieri in the Raytown Limestone, Kansas
Burke, J. J.
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