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National Geologic Map Database
Geologic Unit: North Milton
Map showing publication footprint
  • Usage in publication:
    • North Milton paleosol
  • Modifications:
    • Named
  • Dominant lithology:
    • Paleosol
    • Claystone
  • AAPG geologic province:
    • Appalachian basin
Publication:

Driese, S.G., Mora, C.I., and Cotter, Edward, 1993, North Milton paleosol, Bloomsburg Formation near Milton, Pennsylvania, IN Driese, S.G., ed., Paleosols, paleoclimate and paleoatmospheric CO2; Paleozoic paleosols of central Pennsylvania: University of Tennessee, Department of Geological Sciences Studies in Geology, no. 22, p. 115-123.


Summary:

Bloomsburg paleosol "cycles" consist of a basal, sharp marine erosional surface that truncates the subjacent paleosol, followed by a red interval that includes symmetrical wave ripple-laminated sandstone and bioturbated siltstone, which is then succeeded upward by red claystone with abundant pedogenic slickensides. Cycle 6 at the North Milton locality is designated North Milton paleosol. Soil is a 3.4-m-thick claystone. Age of the Bloomsburg and its North Milton paleosol is Late Silurian.

Source: GNU records (USGS DDS-6; Reston GNULEX).


For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates usage by the U.S. Geological Survey. Other usages by state geological surveys.

"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).

Slash (/) indicates name does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).