IDENTIFIERS

  • Current Taxon Name (Soil Name): Grandgulf
  • OSD
  • Series Extent
  • User Site ID: 1999MO203021M
  • User Pedon ID: 1999MO203021M
  • User Site Association ID: 8560
  • Transect:
  • Transect Stop Number - 8
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9961321
  • NCSS Pedon Lab Data NASIS Record ID - 26515
  • User Project ID: 2021-25NCSPR013
  • Project Name: MLRA 116A - Mark Twain National Forest Update
  • Print Date: 11/24/2024

    • 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: 36.9228333
  • Std. Longitude: -91.5020222
  • Datum: WGS84
  • Map Unit: 73311—Scholten-Bendavis-Poynor complex, 8 to 15 percent slopes
  • State: Missouri
  • County: MO203—Shannon
  • MLRA: 116A—Ozark Highland
  • MLRA Soil Survey Area: NC-SPM—Springfield, Missouri
  • Non-MLRA Soil Survey Area: MO203—Shannon County, Missouri
  • 7.5 Minute USGS Quad: 36091-H5—Montier, Missouri

    • PEDON

  • Describers Name: SE DC LT
  • Current Taxonomic Class: Fine-silty, mixed, active, mesic Typic Paleudults
  • 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 - Grandgulf
  • PSC - 23 to 73 cm.
  • Classificaton Date - 9/24/2018
  • Soil Taxonomic Edition - twelfth edition
  • Sampled As Information:
  • Soil Name - Ashton
  • Taxonomic Class - Fine-silty, mixed, active, mesic Mollic Hapludalfs
  • Taxon Kind - series
  • PSC - 23 to 73 cm.
  • Classificaton Date - 2/18/1999
  • Soil Taxonomic Edition - twelfth edition
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1
  • Field Measured Properties: 21.5 percent of pscs clay and 6.5 percent of pscs sand and 0.8 percent of pscs gravel and 0.43 ratio of cec to clay ratio


    • SITE

  • Parent Material: alluvium
  • Landscape: karstland
  • Landform: sinkhole
  • Hill Slope Profile: toeslope
  • Slope Position: depression
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 2/18/1999 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - hardwoods
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    redox depletions with chroma 2 or less

    lithologic discontinuity

    lithologic discontinuity

    0—23

    23—208

    152—193

    152—193

    193—208

    —23—

    —185—

    —41—

    —41—

    —15—
    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

    1

    —

    —

    299

    —

    270

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 8 centimeters (0.0 to 3.1 inches); brown (10YR 4/3) silt loam; moderate fine granular structure; friable; 7.0 fine to coarse roots; 7.0 fine interstitial and tubular pores; fragments; clear smooth boundary. Lab sample # MU010134
    AB—8 to 23 centimeters (3.1 to 9.1 inches); brown (10YR 4/3) silt loam; moderate fine subangular blocky structure; friable; 7.0 fine to coarse roots; 3.0 very fine and fine tubular pores; 35 percent distinct dark grayish brown (10YR 4/2) organic stains on faces of peds; fragments; clear smooth boundary. Lab sample # MU010135
    Bt1—23 to 41 centimeters (9.1 to 16.1 inches); yellowish brown (10YR 5/4) silt loam; weak medium subangular blocky parts to moderate fine subangular blocky structure; friable; 7.0 fine to coarse roots; 3.0 very fine and fine tubular pores; 15 percent distinct dark yellowish brown (10YR 4/4) clay films on faces of peds; 1 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU010136
    Bt2—41 to 64 centimeters (16.1 to 25.2 inches); yellowish brown (10YR 5/4) silt loam; weak medium subangular blocky parts to moderate fine subangular blocky structure; friable; 3.0 fine and medium roots; 1.0 fine tubular pores; 30 percent distinct dark yellowish brown (10YR 4/4) clay films on faces of peds; 1 percent fine irregular black (N 2/0) iron-manganese masses between peds; 1 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; gradual smooth boundary. Lab sample # MU010137
    Bt3—64 to 102 centimeters (25.2 to 40.2 inches); yellowish brown (10YR 5/4) silt loam; moderate fine subangular blocky structure; friable; 3.0 fine and medium roots; 1.0 fine tubular pores; 15 percent distinct dark yellowish brown (10YR 4/4) clay films on faces of peds; fragments; gradual smooth boundary. Lab sample # MU010138
    Bt4—102 to 152 centimeters (40.2 to 59.8 inches); brown (10YR 5/3) silt loam; moderate medium subangular blocky structure; friable; 1.0 fine roots; 1.0 fine tubular pores; 15 percent distinct brown (10YR 4/3) clay films on faces of peds and 15 percent distinct pale brown (10YR 6/3) silt coats on faces of peds; 1 percent fine irregular black (N 2/0) iron-manganese masses between peds; 5 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; clear wavy boundary. Lab sample # MU010139
    2Bt5—152 to 193 centimeters (59.8 to 76.0 inches); light brown (7.5YR 6/3) extremely gravelly silt loam; weak medium subangular blocky parts to moderate fine subangular blocky structure; friable; 1.0 fine roots; 1.0 fine tubular pores; 15 percent distinct brown (7.5YR 5/3) clay films on faces of peds and 30 percent distinct pinkish gray (7.5YR 7/2) silt coats on faces of peds; 2 percent fine irregular black (N 2/0) iron-manganese masses between peds; 5 percent by volume nonflat indurated 75-162-250 millimeter chert fragments and 50 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; abrupt wavy boundary. Lab sample # MU010140
    3Bt6—193 to 208 centimeters (76.0 to 81.9 inches); strong brown (7.5YR 4/6) silt loam; weak medium subangular blocky parts to moderate fine subangular blocky structure; friable; 1.0 fine interstitial and tubular pores; 5 percent distinct light brown (7.5YR 6/3) silt coats on faces of peds and 10 percent distinct brown (7.5YR 4/4) clay films on faces of peds and 25 percent distinct strong brown (7.5YR 5/6) clay films on faces of peds; 2 percent fine irregular black (N 2/0) iron-manganese masses between peds; 5 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 5.0, hellige-truog. Lab sample # MU010141