IDENTIFIERS

  • Current Taxon Name (Soil Name): Fourche
  • OSD
  • Series Extent
  • User Site ID: 1994MO123012M
  • User Pedon ID: 1994MO123012M
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9412312
  • NCSS Pedon Lab Data NASIS Record ID - 27450
  • Print Date: 11/23/2024

    • LOCATION

  • Location In Web Soil Survey
  • AOI is roughly a square mile and pedon is marked in the center.
  • Location in SoilWeb
  • Location in Google Maps
  • Std. Latitude: 37.3199463
  • Std. Longitude: -90.5393906
  • Datum: WGS84
  • Township: T30N
  • Range: R5E
  • Section: 31
  • PLSS Details: 4300 feet S and 3000 feet E of the NW corner
  • Location Description: 4300 ft. S and 3000 ft. E of NW corner of sec. 31, T. 30 N., R. 5 E.
  • Map Unit: 73147—Fourche silt loam, 3 to 8 percent slopes24C—Fourche silt loam, 2 to 5 percent slopes
  • State: Missouri
  • County: MO123—Madison
  • MLRA: 116A—Ozark Highland
  • MLRA Soil Survey Area: NC-SPM—Springfield, Missouri
  • Non-MLRA Soil Survey Area: MO123—Madison County, Missouri
  • 7.5 Minute USGS Quad: 37090-C5—Brunot, Missouri

    • PEDON

  • Describers Name: KEB and MLC
  • Current Taxonomic Class: Fine-silty, mixed, active, mesic Oxyaquic Paleudalfs
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Fourche
  • PSC - 23 to 73 cm.
  • Classificaton Date - 4/1/2011
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Fourche
  • Taxonomic Class - Fine-silty, mixed, active, mesic Glossaquic Paleudalfs
  • Taxon Kind - series
  • PSC - 23 to 73 cm.
  • Classificaton Date - 6/20/1994
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Field Measured Properties: 41 Cation exchange capacity to clay ratio


    • SITE

  • Parent Material: loess over alluvium over residuum
  • Landscape: plateau
  • Landform: stream terrace
  • Runoff: medium
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/20/1994 (actual site observation date)
  • Air Photo ID: A-9
  • 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
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—23

    23—168

    —-

    —-
    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

    4

    —

    —

    158

    —

    230

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 13 centimeters (0.0 to 5.1 inches); dark yellowish brown (10YR 4/4), yellowish brown (10YR 5/4), dry; silt loam; weak fine subangular blocky parts to moderate very fine granular structure; very friable; 10.0 very fine and fine roots; 1 percent by volume 2-39-75 millimeter unspecified fragments; moderately acid, pH 5.7, hellige-truog; abrupt wavy boundary. Lab sample # MU016447
    AB—13 to 23 centimeters (5.1 to 9.1 inches); brown (7.5YR 4/4), brownish yellow (10YR 6/6), dry; silt loam; weak fine subangular blocky parts to weak very fine granular structure; friable; 3.0 very fine and fine roots; fragments; moderately acid, pH 6.0, hellige-truog; clear wavy boundary. Lab sample # MU016448
    Bt1—23 to 46 centimeters (9.1 to 18.1 inches); strong brown (7.5YR 4/6) silty clay loam; moderate very fine subangular blocky structure; friable; 3.0 very fine roots; 4 percent prominent dark brown (10YR 3/3) manganese or iron-manganese stains and 35 percent faint clay films on faces of peds; fragments; slightly acid, pH 6.1, hellige-truog; clear wavy boundary. Lab sample # MU016449. discontinuous - phpvsfiid 163344; discontinuous - phpvsfiid 163344
    Bt2—46 to 58 centimeters (18.1 to 22.8 inches); strong brown (7.5YR 4/6) silty clay loam; weak fine subangular blocky, and moderate very fine subangular blocky structure; friable; 3.0 very fine roots; 4 percent prominent black (10YR 2/1) manganese or iron-manganese stains and 15 percent distinct clay films on faces of peds and 15 percent faint silt coats on faces of peds and 15 percent prominent clay films on vertical faces of peds; 10 percent black (10YR 2/1) iron-manganese concretions throughout; fragments; strongly acid, pH 5.2, hellige-truog; abrupt wavy boundary. Lab sample # MU016450. Roots start twining; continues through glossic layer.; patchy - phpvsfiid 163348; discontinuous - phpvsfiid 163346; discontinuous - phpvsfiid 163347; patchy - phpvsfiid 163348; discontinuous - phpvsfiid 163346; discontinuous - phpvsfiid 163347
    Bt3—58 to 76 centimeters (22.8 to 29.9 inches); strong brown (7.5YR 5/6) silty clay loam; 10 percent pale brown (10YR 6/3) fine distinct and 10 percent red (2.5YR 4/6) medium prominent mottles; moderate medium prismatic parts to moderate fine subangular blocky structure; firm; 3.0 very fine roots; 15 percent distinct light brown (7.5YR 6/4) silt coats on faces of peds and 15 percent prominent clay films on vertical faces of peds and 15 percent prominent black (10YR 2/1) manganese or iron-manganese stains and 75 percent distinct clay films on faces of peds; 10 percent black (10YR 2/1) iron-manganese concretions throughout; fragments; very strongly acid, pH 4.8, hellige-truog; clear wavy boundary. Lab sample # MU016451. discontinuous - phpvsfiid 163352; continuous - phpvsfiid 163350; patchy - phpvsfiid 163351; discontinuous - phpvsfiid 163352; continuous - phpvsfiid 163350; patchy - phpvsfiid 163351
    2Bt/E12—76 to 94 centimeters (29.9 to 37.0 inches); light yellowish brown (10YR 6/4) silty clay loam; friable; 0.5 very fine roots; fragments; very strongly acid, pH 4.8, hellige-truog; abrupt irregular boundary. Lab sample # MU016452. The E portion of this horizon is 2 to 3 mm thick, and comprises about 15 percent of the horizon.
    2Bt/E11—76 to 94 centimeters (29.9 to 37.0 inches); dark red (2.5YR 3/6) and strong brown (7.5YR 5/6) silty clay loam; strong medium prismatic parts to moderate fine subangular blocky structure; firm; 15 percent prominent black (10YR 2/1) manganese or iron-manganese stains and 35 percent prominent clay films on vertical faces of peds; 10 percent fine and medium noncoherent cemented light gray (10YR 7/2) iron depletions and 10 percent black (10YR 2/1) iron-manganese concretions between peds; fragments; very strongly acid, pH 4.8, hellige-truog. Lab sample # MU016452. discontinuous - phpvsfiid 163354; discontinuous - phpvsfiid 163354
    2Bt41—94 to 122 centimeters (37.0 to 48.0 inches); 60 percent brown (7.5YR 5/4) and 40 percent dark red (2.5YR 3/6) silty clay loam; moderate medium prismatic parts to moderate fine subangular blocky structure; firm; 0.5 very fine roots; 4 percent prominent black (10YR 2/1) manganese or iron-manganese stains and 35 percent prominent clay films on faces of peds; 1 percent black (10YR 2/1) iron-manganese masses between peds and 10 percent very coarse and extremely coarse noncoherent cemented light brownish gray (10YR 6/2) iron depletions and 10 percent very coarse and extremely coarse noncoherent cemented light gray (10YR 7/2) iron depletions; fragments; very strongly acid, pH 4.7, hellige-truog; clear wavy boundary. Lab sample # MU016453. Split for sampling, 37-48" and 48-56". Lab numbers 07 and 08.; discontinuous - phpvsfiid 163356; discontinuous - phpvsfiid 163356
    2Bt42—122 to 142 centimeters (48.0 to 55.9 inches); 60 percent brown (7.5YR 5/4) and 40 percent dark red (2.5YR 3/6) silty clay loam; moderate medium prismatic parts to moderate fine subangular blocky structure; firm; 0.5 very fine roots; 4 percent prominent black (10YR 2/1) manganese or iron-manganese stains and 35 percent prominent clay films on faces of peds; 1 percent black (10YR 2/1) iron-manganese masses between peds and 10 percent very coarse and extremely coarse noncoherent cemented light brownish gray (10YR 6/2) iron depletions and 10 percent very coarse and extremely coarse noncoherent cemented light gray (10YR 7/2) iron depletions; fragments; very strongly acid, pH 4.7, hellige-truog; clear wavy boundary. Lab sample # MU016454. Split for sampling, 37-48" and 48-56". Lab numbers 07 and 08.; discontinuous - phpvsfiid 1504289; discontinuous - phpvsfiid 1504289
    3Bt5—142 to 168 centimeters (55.9 to 66.1 inches); 65 percent dark red (2.5YR 3/6) and 35 percent brown (7.5YR 5/4) silty clay; weak medium subangular blocky, and moderate very fine subangular blocky structure; firm; 4 percent prominent black (10YR 2/1) manganese or iron-manganese stains and 75 percent prominent clay films on faces of peds; 1 percent black (10YR 2/1) iron-manganese masses throughout and 10 percent coarse noncoherent cemented light brownish gray (10YR 6/2) iron depletions and 10 percent coarse noncoherent cemented light gray (10YR 7/2) iron depletions; fragments; very strongly acid, pH 4.9, hellige-truog. Lab sample # MU016455. continuous - phpvsfiid 163358; continuous - phpvsfiid 163358