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Author: Pennsylvania
Language: English
Publisher: Commonwealth of Pennsylvania, Department of Environmental Resources, Topographic and Geologic Survey (1983)
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A simplified correlation chart was compiled from published and unpublished sources as a means of visualizing currently accepted stratigraphic relations between the rock .

A simplified correlation chart was compiled from published and unpublished sources as a means of visualizing currently accepted stratigraphic relations between the rock formations, coal beds, coal zones, and key stratigraphic units in Alabama, Tennessee, Kentucky, Virginia, West Virginia, Ohio, Maryland, and Pennsylvania. The thickness of each column is based on chronostratigraphic divisions (Lower, Middle, and Upper Pennsylvanian), not the thickness of strata.

and global stratigraphic correlation: Society for Sedimentary Geology Special Publication 54, p. . 213–274Google Scholar. Autin, W. 1992, Use of alloformations for definition of Holocene meander belts in the middle Amite River, southeastern Louisiana: Geological Society of America Bulletin, v. 104, p. 233–241Google Scholar. Harrison, J. and Peterman, Z. 1982, North American Commission on Stratigraphic Nomenclature, Report 9–Adoption of geochronometric units for divisions of Precambrian time: American Association of Petroleum Geologists Bulletin, v. 66, p. 801–802Google Scholar.

stratigraphic correlation of these sites is shown with composite sections . nesses of Dunkard strata in West Virginia and Pennsylvania and establish. A general section for. the Dunkard Group includes informal names of coal beds and limestones

stratigraphic correlation of these sites is shown with composite sections constructed from core records and mea-. Distinct facies provinces are documented in the Dunkard Group, from south to north interpreted. their stratigraphic correlation, (3) to summarize the sedimentological. characteristics of the Dunkard Group including regional facies changes. the Dunkard Group includes informal names of coal beds and limestones. and a few of the sandstones relevant to discussions in this paper (Fig.

SECRETARY-GENERAL Prof

SECRETARY-GENERAL Prof. International Stratigraphic Classification Subcommission, Series of discussion newsletters on various aspects of stratigraphy.

INTRODUCTION Importance of Correlation of stratigraphic Correlation of stratigraphic units permits establishment of formational sequences, evaluation of contemporaneous and non- contemporaneous deposits, recognition of unconformities, reconstruction of paleotectonic fabrics, an.

INTRODUCTION Importance of Correlation of stratigraphic Correlation of stratigraphic units permits establishment of formational sequences, evaluation of contemporaneous and non- contemporaneous deposits, recognition of unconformities, reconstruction of paleotectonic fabrics, and delineation of sedimentation patterns. STRATIGRAPHIC UNITS STRATIGRAPHIC UNITS Before the correlation of deposits is attempted, it is essential that stratigraphic units be defined accurately

Seismic-geology stratigraphic correlation is the premier job in merged structural interpretation. Before regional stratigraphic correlation, the first task is to confirm the problems in geological zonation in a sag.

Seismic-geology stratigraphic correlation is the premier job in merged structural interpretation. For the geological zonation in the Baxian Sag, as an example, the boundary between the Paleogene and the Mesozoic should be reconfirmed, the zonation standard should be redefined, and the zonation standard of the Sha 1 Member bottom is not coincident with sequence stratigraphy.

COMMONWEALTH OF PENNSYLVANIA Tom Ridge, Governor. DEPARTMENT OF CONSERVATION AND NATURAL RESOURCES John C. Oliver, Secretary. OFFICE OF CONSERVATION AND ENGINEERING SERVICES Richard G. Sprenkle, Deputy Secretary. PENNSYLVANIA GEOLOGY is published quarterly by the Bureau of Topographic and Geologic Survey, Pennsylvania Department of Conservation and Natural Resources, P. O. Box 8453, Harrisburg, PA 17105–8453. Contributed articles are welcome.

Other articles where Stratigraphic correlation is discussed: geology: Paleontology. nd on different continents . nd on different continents, involves stratigraphic correlation from place to place. Although correlation of strata over modest distances often can be accomplished by tracing particular beds from place to place, correlation over long distances and over the oceans almost invariably involves comparison of fossils. With rare exceptions, fossils occur only.

The Geology of Pennsylvania consists of six distinct physiographic provinces, three of which are subdivided into different sections

The Geology of Pennsylvania consists of six distinct physiographic provinces, three of which are subdivided into different sections.