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This article in SSSAJ

  1. Vol. 33 No. 5, p. 752-755
     
    Received: Aug 25, 1968
    Published: Sept, 1969


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doi:10.2136/sssaj1969.03615995003300050036x

Fragipan Horizons and Be Masses in the Middle Coastal Plain of North Central North Carolina1

  1. Forrest Steele2,
  2. R. B. Daniels3,
  3. E. E. Gamble3 and
  4. L. A. Nelson4

Abstract

Abstract

Soils with fragipan horizons are minor in areal extent but soils with friable eluviated (Be) masses are common along the 120- and 140-foot contours (37- to 43-m) of the Sunderland geomorphic surface between Goldsboro, N. C., and Emporia, Va. Where they occur, fragipan horizons commonly have Be masses, and in some the dense brittle materials and friable eluviated materials are intimately mixed. The morphology of fragipan horizons and horizons with Be masses are similar and it is difficult to separate them where they merge on the landscape. Brittleness is about the only feature that can be used consistently to separate fragipan horizons and horizons with Be masses. Brittleness that is produced by partial iron cementation, plinthite for example, should not be used in identification of fragipan horizons.

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