IDENTIFIERS

  • Current Taxon Name (Soil Name): Lexton
  • OSD
  • Series Extent
  • User Site ID: S1997TX287001
  • User Pedon ID: 97TX287001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 97P0525
  • NCSS Pedon Lab Data NASIS Record ID - 10208
  • Print Date: 12/4/2024

    • LOCATION

  • State: Texas
  • County: TX287—Lee
  • MLRA: 87A—Texas Claypan Area, Southern Part
  • Non-MLRA Soil Survey Area: TX287—Lee County, Texas

    • PEDON

  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Sampled As Information:
  • Soil Name - Lexton
  • Taxonomic Class - Fine, mixed Udic Haplustalfs
  • PSC - 23 to 74 cm.
  • Classificaton Date - 8/20/1997
  • Moisture Class - ustic
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: coastal plain
  • Landform: hillside
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: shoulder
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: very low
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: s moderate weathered glauconite
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/20/1997 (actual site observation date)
  • Air Photo ID: 6C
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Setting and Climate
    Slope Slope Length USLE Upslope Length Elev. Corr. Elev Aspect MAP REAP FFD MAAT MSAT MWAT MAST MSST MWST MFFP PE Index Climate Station ID Climate Station Name Climate Station Type
    % m degrees mm mm C mm

    2

    122

    30.5

    136

    —

    914

    —

    —

    —

    —

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    Ap—0 to 23 centimeters (0.0 to 9.1 inches);, 2 percent dark brown (7.5YR 3/2), moist; clay loam, clay loam; moderate medium subangular blocky structure; very hard, firm, slightly sticky, slightly plastic; moderately slow permeability; 5.0 fine roots throughout; 1 percent fine threadlike weakly coherent cemented dark brown (7.5YR 3/2) worm casts throughout; 3 percent by volume subangular 2-39-75 millimeter sandstone, unspecified fragments; noneffervescent, by hcl, 1n; slightly acid, pH 6.5, hellige-truog; clear wavy boundary. Lab sample # 97P03134; moist when described;
    Bt—23 to 38 centimeters (9.1 to 15.0 inches);, 98 percent reddish brown (2.5YR 4/4) exterior, moist; clay; 1 percent light yellowish brown (2.5Y 6/4) fine distinct irregular mottles; moderate medium angular blocky parts to strong coarse prismatic structure; extremely hard, very firm, very sticky, very plastic; very slow permeability; 4.0 fine roots throughout; 3 percent distinct pressure faces on faces of peds and 3 percent distinct clay films on faces of peds; 1 percent by volume subangular 2-39-75 millimeter sandstone, unspecified fragments; noneffervescent, by hcl, 1n; slightly acid, pH 6.5, hellige-truog; gradual wavy boundary. Lab sample # 97P03135; moist when described;. discontinuous - phpvsfiid 195404; discontinuous - phpvsfiid 195405; discontinuous - phpvsfiid 195404; discontinuous - phpvsfiid 195405
    Btss—38 to 94 centimeters (15.0 to 37.0 inches);, 95 percent reddish brown (2.5YR 4/4) exterior, moist; clay; 5 percent light olive brown (2.5Y 5/4) medium prominent irregular mottles; moderate medium angular blocky structure; extremely hard, extremely firm, very sticky, very plastic; very slow permeability; 3.0 fine roots in cracks; 15 percent distinct clay films on faces of peds and 25 percent prominent slickensides (pedogenic) on faces of peds; 1 percent fine spherical black (10YR 2/1) iron-manganese nodules throughout; 1 percent by volume subangular 2-39-75 millimeter sandstone, unspecified fragments; slight effervescence, by hydrogen peroxide, 3-4%; slightly acid, pH 6.5, hellige-truog; gradual wavy boundary. Lab sample # 97P03136; moist when described;. continuous - phpvsfiid 195406; discontinuous - phpvsfiid 195407; continuous - phpvsfiid 195406; discontinuous - phpvsfiid 195407
    Btssk—94 to 147 centimeters (37.0 to 57.9 inches);, 90 percent olive (5Y 4/4) exterior, moist; clay; 1 percent red (2.5YR 4/8) fine prominent irregular and 9 percent reddish brown (2.5YR 5/4) medium distinct irregular mottles; moderate medium angular blocky parts to strong coarse prismatic structure; extremely hard, extremely firm, very sticky, very plastic; very slow permeability; 2.0 fine roots in cracks; 20 percent distinct clay films on faces of peds and 35 percent prominent slickensides (pedogenic) on faces of peds; 2 percent fine spherical weakly coherent cemented black (10YR 2/1) iron-manganese concretions throughout; 5 percent medium and coarse spherical weakly coherent cemented light yellowish brown (10YR 6/4) carbonate concretions throughout; fragments; slight effervescence, by hydrogen peroxide, 3-4%; neutral, pH 7.0, hellige-truog; abrupt smooth boundary. Lab sample # 97P03137; moist when described;. continuous - phpvsfiid 195408; discontinuous - phpvsfiid 195409; continuous - phpvsfiid 195408; discontinuous - phpvsfiid 195409
    Cr/Bt—147 to 173 centimeters (57.9 to 68.1 inches);, 80 percent brownish yellow (10YR 6/8) exterior, moist; slightly hard, firm, nonsticky, nonplastic; fragments; noneffervescent, by hcl, 1n. Lab sample # 97P03138
    Cr/Bt—147 to 173 centimeters (57.9 to 68.1 inches);, 20 percent yellowish red (5YR 4/6) exterior, moist; clay; weak medium subangular blocky structure; very hard, very firm, slightly sticky, slightly plastic; moderately slow permeability; fragments; noneffervescent, by hcl, 1n; neutral, pH 7.0, hellige-truog; gradual wavy boundary. Lab sample # 97P03138; moist when described;
    C—173 to 203 centimeters (68.1 to 79.9 inches);, 85 percent olive (5Y 4/3) exterior, moist; hard, firm, nonsticky, nonplastic; moderately slow permeability; 1 percent by volume subangular 2-39-75 millimeter sandstone, calcareous fragments; noneffervescent, by hcl, 1n; slightly alkaline, pH 7.5, hellige-truog. Lab sample # 97P03139; moist when described;