IDENTIFIERS

  • Current Taxon Name (Soil Name): Fourche
  • OSD
  • Series Extent
  • User Site ID: 1994MO123022M
  • User Pedon ID: 1994MO123022M
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9412322
  • NCSS Pedon Lab Data NASIS Record ID - 32137
  • Print Date: 11/26/2024

    • 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: 37.6046371
  • Std. Longitude: -90.2933044
  • Datum: WGS84
  • Township: T34N
  • Range: R7E
  • Section: 32
  • PLSS Details: 100 feet E and 2650 feet N of the SW corner
  • Location Description: 100 feet east and 2,650 feet north of southwest corner of sec. 32, T. 34 N., R. 7 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
  • Non-MLRA Soil Survey Area: MO123—Madison County, Missouri
  • 7.5 Minute USGS Quad: 37090-E3—Fredericktown, Missouri

    • PEDON

  • Describers Name: MLC AND CGM
  • Current Taxonomic Class: Fine-silty, mixed, active, mesic Oxyaquic Paleudalfs
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Fourche
  • PSC - 15 to 65 cm.
  • Classificaton Date - 2/1/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Fourche
  • Taxonomic Class - Fine-silty, mixed, active, mesic Glossaquic Paleudalfs
  • Taxon Kind - series
  • PSC - 15 to 65 cm.
  • Classificaton Date - 7/5/1994
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Field Measured Properties: 52 Cation exchange capacity to clay ratio


    • SITE

  • Parent Material: slope alluvium derived from sedimentary rock over alluvium derived from sedimentary rock
  • Landscape: basin
  • Landform: ridge
  • Geomorphic Component Hills: head slope
  • Hill Slope Profile: shoulder
  • Slope Position: depression
  • Slope Shape Across: convex
  • Slope Shape Down: concave
  • Runoff: medium
  • Drainage Class: moderately well
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/5/1994 (actual site observation date)
  • Air Photo ID: C-2
  • 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—15

    15—254

    —-

    —-
    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

    5

    —

    —

    270

    —

    240

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 15 centimeters (0.0 to 5.9 inches); dark yellowish brown (10YR 4/4), light yellowish brown (10YR 6/4), dry; silt loam; moderate fine granular structure; very friable; 10.0 very fine and fine roots throughout; 1 percent by volume 2-39-75 millimeter unspecified fragments; moderately acid, pH 5.7, hellige-truog; abrupt smooth boundary. Lab sample # MU050394. Some mixing at the lower boundry.
    Bt1—15 to 36 centimeters (5.9 to 14.2 inches); dark yellowish brown (10YR 4/6) silty clay loam; moderate fine subangular blocky structure; friable; 3.0 very fine and fine roots between peds; 5 percent distinct silt coats on faces of peds and 30 percent distinct clay films on faces of peds; 1 percent fine very dark brown (10YR 2/2) iron-manganese masses throughout; fragments; strongly acid, pH 5.4, hellige-truog; clear wavy boundary. Lab sample # MU050395. discontinuous - phpvsfiid 163423; discontinuous - phpvsfiid 163551; discontinuous - phpvsfiid 163423; discontinuous - phpvsfiid 163551
    Bt/E12—36 to 53 centimeters (14.2 to 20.9 inches); strong brown (7.5YR 4/6) silty clay loam; weak thick platy parts to moderate fine subangular blocky structure; friable; 3.0 very fine and fine roots between peds; 5 percent distinct silt coats on faces of peds and 10 percent prominent skeletans on faces of peds and 40 percent distinct clay films on horizontal faces of peds; 1 percent fine very dark brown (10YR 2/2) iron-manganese masses throughout; 1 percent by volume rounded 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.9, hellige-truog; clear wavy boundary. Lab sample # MU050396. continuous - phpvsfiid 163552; discontinuous - phpvsfiid 163553; discontinuous - phpvsfiid 163554; continuous - phpvsfiid 163552; discontinuous - phpvsfiid 163553; discontinuous - phpvsfiid 163554
    Bt/E11—36 to 53 centimeters (14.2 to 20.9 inches); brown (10YR 5/3) silty clay loam; friable; fragments; very strongly acid, pH 4.9, hellige-truog. Lab sample # MU050396
    Bt/E22—53 to 76 centimeters (20.9 to 29.9 inches); dark yellowish brown (10YR 4/6) silt loam; 1 percent pale brown (10YR 6/3) fine distinct mottles; moderate thick platy parts to weak very fine subangular blocky structure; friable; 0.5 very fine and fine roots between peds; 5 percent prominent skeletans on faces of peds and 5 percent distinct silt coats on faces of peds and 30 percent prominent clay films on faces of peds; 5 percent fine very dark brown (10YR 2/2) iron-manganese masses throughout; fragments; very strongly acid, pH 4.7, hellige-truog; gradual wavy boundary. Lab sample # MU050397. discontinuous - phpvsfiid 163555; discontinuous - phpvsfiid 163556; discontinuous - phpvsfiid 163557; discontinuous - phpvsfiid 163555; discontinuous - phpvsfiid 163556; discontinuous - phpvsfiid 163557
    Bt/E21—53 to 76 centimeters (20.9 to 29.9 inches); brown (10YR 5/3) silt loam; friable; fragments; very strongly acid, pH 4.7, hellige-truog. Lab sample # MU050397
    Bt2—76 to 99 centimeters (29.9 to 39.0 inches); dark yellowish brown (10YR 4/6) silt loam; weak medium prismatic parts to weak fine subangular blocky structure; firm; 0.5 very fine roots between peds; 3 percent prominent skeletans on faces of peds and 3 percent distinct silt coats on faces of peds and 40 percent prominent clay films on vertical faces of peds; 5 percent fine very dark brown (10YR 2/2) iron-manganese masses throughout and 10 percent fine yellowish red (5YR 4/6) masses of oxidized iron throughout; 1 percent by volume 2-39-75 millimeter unspecified fragments; extremely acid, pH 4.3, hellige-truog; abrupt wavy boundary. Lab sample # MU050398. Red material in second core started at 35 inches. Some of the rounded gravel were sandstone, most were chert.; discontinuous - phpvsfiid 163561; discontinuous - phpvsfiid 163562; discontinuous - phpvsfiid 163563; discontinuous - phpvsfiid 163561; discontinuous - phpvsfiid 163562; discontinuous - phpvsfiid 163563
    2Bt3—99 to 137 centimeters (39.0 to 53.9 inches); 60 percent red (2.5YR 4/6) and 40 percent dark yellowish brown (10YR 4/6) silty clay loam; 5 percent brown (10YR 5/3) fine distinct mottles; weak medium prismatic parts to moderate fine subangular blocky structure; firm; 0.5 very fine roots between peds; 5 percent distinct silt coats on faces of peds and 15 percent prominent clay films on faces of peds; 3 percent fine very dark brown (10YR 2/2) iron-manganese masses throughout and 5 percent fine very dark brown (10YR 2/2) iron-manganese concretions throughout; 1 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.5, hellige-truog; clear smooth boundary. Lab sample # MU050399. discontinuous - phpvsfiid 163564; discontinuous - phpvsfiid 163565; discontinuous - phpvsfiid 163564; discontinuous - phpvsfiid 163565
    3Bt4—137 to 150 centimeters (53.9 to 59.1 inches); 70 percent red (2.5YR 4/6) and 30 percent brown (7.5YR 4/4) clay; 4 percent brown (10YR 4/3) fine distinct mottles; moderate very fine and fine subangular blocky structure; friable; 3 percent distinct silt coats on faces of peds and 30 percent prominent clay films on faces of peds; 3 percent fine very dark brown (10YR 2/2) iron-manganese masses throughout and 5 percent fine very dark brown (10YR 2/2) iron-manganese concretions throughout; 1 percent by volume rounded 2-39-75 millimeter unspecified fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # MU050400. discontinuous - phpvsfiid 168637; discontinuous - phpvsfiid 168638; discontinuous - phpvsfiid 168637; discontinuous - phpvsfiid 168638
    3Bt5—150 to 191 centimeters (59.1 to 75.2 inches); red (2.5YR 4/6) clay; 2 percent strong brown (7.5YR 5/8) fine prominent mottles; moderate very fine subangular blocky structure; firm; 3 percent distinct silt coats on faces of peds and 30 percent prominent clay films on faces of peds; 2 percent fine very dark brown (10YR 2/2) iron-manganese masses throughout and 3 percent fine very dark brown (10YR 2/2) iron-manganese concretions throughout; 1 percent by volume 2-39-75 millimeter unspecified fragments; moderately acid, pH 5.9, hellige-truog; clear smooth boundary. Lab sample # MU050401. discontinuous - phpvsfiid 168639; discontinuous - phpvsfiid 168640; discontinuous - phpvsfiid 168639; discontinuous - phpvsfiid 168640
    3Bt6—191 to 254 centimeters (75.2 to 100.0 inches); red (2.5YR 4/6) clay; 10 percent strong brown (7.5YR 5/8) fine prominent mottles; weak very fine subangular blocky structure; friable; 15 percent prominent clay films on faces of peds; 1 percent fine very dark brown (10YR 2/2) iron-manganese masses throughout and 2 percent fine very dark brown (10YR 2/2) iron-manganese concretions throughout; 1 percent by volume 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.4, hellige-truog. Lab sample # MU050402. Sampled upper part of horizon.; discontinuous - phpvsfiid 168641; discontinuous - phpvsfiid 168641