IDENTIFIERS

  • Current Taxon Name (Soil Name): Viraton
  • OSD
  • Series Extent
  • User Site ID: 1991MO167137M
  • User Pedon ID: 1991MO167137
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9116721
  • Print Date: 11/21/2024
  • 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: 37.7753111
  • Std. Longitude: -93.2016694
  • Datum: WGS84
  • Township: T35N
  • Range: R21W
  • Section: 13
  • PLSS Details: 300 feet W and 700 feet N of the SE corner
  • Location Description: 300 feet west and 700 feet north of the southeast corner of Section 13, T. 35 N., R 21 W., wirepasture
  • Map Unit: 73009—Viraton silt loam, 5 to 9 percent slopes
  • State: Missouri
  • County: MO167—Polk
  • MLRA: 116B—Springfield Plain
  • Non-MLRA Soil Survey Area: MO167—Polk County, Missouri
  • PEDON

  • Describers Name: Richard L. Henderson, Richard McBee and John Bowers
  • Current Taxonomic Class: Fine-loamy, siliceous Typic Fragiudalfs
  • Current Taxon Kind: series
  • Pedon Type: within range of map unit
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Viraton
  • PSC - 15 to 48 cm.
  • Classificaton Date - 4/18/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Viraton
  • Taxon Kind - series
  • PSC - 15 to 48 cm.
  • Classificaton Date - 2/25/1991
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: loess and/or slope alluvium derived from cherty limestone and/or residuum weathered from cherty limestone
  • Landscape: plateau
  • Landform: ridge
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: shoulder
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: medium
  • Drainage Class: moderately well
  • Bedrock: dolomite (dolostone)
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 2/25/1991 (actual site observation date)
  • Surface Cover Properties:
  • 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

    fragipan

    0—15

    15—152

    48—114

    —-

    —-

    —-

    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

    7

    315

    157

    A—0 to 5 centimeters (0.0 to 2.0 inches); dark grayish brown (10YR 4/2) silt loam; weak very fine granular structure; 6.0 very fine and fine roots; 3 percent by volume 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.3, hellige-truog; clear smooth boundary. Lab sample # MU043046
    E—5 to 15 centimeters (2.0 to 5.9 inches); dark grayish brown (10YR 4/2) silt loam; weak very fine granular structure; 6.0 very fine and fine roots; 3 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # MU043047
    Bt1—15 to 33 centimeters (5.9 to 13.0 inches); brown (10YR 5/3) silty clay loam; weak very fine subangular blocky structure; 3.0 medium and coarse roots; 35 percent distinct clay films on faces of peds; 2 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # MU043048
    Bt2—33 to 48 centimeters (13.0 to 18.9 inches); strong brown (7.5YR 4/6) silty clay loam; moderate very fine subangular blocky structure; 3.0 medium and coarse roots; 60 percent distinct clay films on faces of peds; 10 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.5, hellige-truog; clear smooth boundary. Lab sample # MU043049
    2Btx1—48 to 71 centimeters (18.9 to 28.0 inches); strong brown (7.5YR 4/6) very gravelly silt loam; massive; brittle; 0.5 very fine roots; 15 percent distinct clay films on all faces of peds; 1 percent fine grayish brown (10YR 5/2) iron depletions and 25 percent fine yellowish brown (10YR 5/4) masses of oxidized iron; 5 percent by volume rounded 75-162-250 millimeter limestone, cherty fragments and 45 percent by volume 2-39-75 millimeter limestone, cherty fragments; extremely acid, pH 4.3, hellige-truog; clear smooth boundary. Lab sample # MU043050
    2Btx2—71 to 114 centimeters (28.0 to 44.9 inches); yellowish brown (10YR 5/8) and gray (10YR 6/1) very gravelly clay loam; massive; brittle; 15 percent distinct clay films on all faces of peds and 30 percent manganese or iron-manganese stains on rock fragments; 15 percent fine yellowish red (5YR 4/6) masses of oxidized iron; 5 percent by volume 75-162-250 millimeter limestone, cherty fragments and 35 percent by volume 2-39-75 millimeter limestone, cherty fragments; moderately acid, pH 6.0, hellige-truog; gradual smooth boundary. Lab sample # MU043051
    3Bt3—114 to 132 centimeters (44.9 to 52.0 inches); red (2.5YR 4/6) and red (2.5YR 5/8) very gravelly clay; moderate fine subangular blocky structure; 35 percent distinct clay films on faces of peds; 15 percent fine yellowish brown (10YR 5/8) masses of oxidized iron; 5 percent by volume 75-162-250 millimeter limestone, cherty fragments and 30 percent by volume 2-39-75 millimeter limestone, cherty fragments; neutral, pH 7.0, hellige-truog. Lab sample # MU043052. There were a few vertical cracks about 1 cm wide filled with fragipan material.
    3Bt4—132 to 152 centimeters (52.0 to 59.8 inches); red (2.5YR 4/6) and strong brown (7.5YR 5/8) gravelly clay; moderate very fine subangular blocky structure; 35 percent distinct clay films on faces of peds; 3 percent by volume 75-162-250 millimeter limestone, cherty fragments and 15 percent by volume 2-39-75 millimeter limestone, cherty fragments; moderately alkaline, pH 8.0, hellige-truog. Lab sample # MU043053