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Geologic map of the Ponca quadrangle, Newton, Boone, and Carroll Counties, Arkansas

Miscellaneous Field Studies Map 2412

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Abstract

This digital geologic map compilation presents new polygon (i.e., geologic map unit contacts), line (i.e., fault, fold axis, and structure contour), and point (i.e., structural attitude, contact elevations) vector data for the Ponca 7 1/2' quadrangle in northern Arkansas. The map database, which is at 1:24,000-scale resolution, provides geologic coverage of an area of current hydrogeologic, tectonic, and stratigraphic interest. The Ponca quadrangle is located in Newton, Boone, and Carroll Counties about 20 km southwest of the town of Harrison. The map area is underlain by sedimentary rocks of Ordovician, Mississippian, and Pennsylvanian age that were mildly deformed by a series of normal and strike-slip faults and folds. The area is representative of the stratigraphic and structural setting of the southern Ozark Dome. The Ponca quadrangle map provides new geologic information for better understanding groundwater flow paths and development of karst features in and adjacent to the Buffalo River watershed.

Geospatial Extents

Additional Publication Details

Publication type:
Report
Publication Subtype:
USGS Numbered Series
Title:
Geologic map of the Ponca quadrangle, Newton, Boone, and Carroll Counties, Arkansas
Series title:
Miscellaneous Field Studies Map
Series number:
2412
Edition:
Version 1.0
Year Published:
2003
Language:
ENGLISH
Description:
49 x 39 inches
Scale:
24000