IDENTIFIERS

  • Current Taxon Name (Soil Name): Tonti
  • OSD
  • Series Extent
  • User Site ID: 1999MO203009M
  • User Pedon ID: 1999MO203009M
  • User Site Association ID: 8614
  • Transect:
  • User Transect ID - shannon-73C1
  • Transect Stop Number - 7
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9961309
  • NCSS Pedon Lab Data NASIS Record ID - 31548
  • 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: 36.9139306
  • Std. Longitude: -91.5174278
  • Datum: WGS84
  • State: Missouri
  • County: MO203—Shannon
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO203—Shannon County, Missouri
  • 7.5 Minute USGS Quad: 36091-H5—Montier, Missouri
  • PEDON

  • Describers Name: BM, SE, RLT
  • Current Taxonomic Class: Fine-loamy, mixed, active, mesic Typic Fragiudults
  • 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 - Tonti
  • PSC - 10 to 60 cm.
  • Classificaton Date - 3/8/2011
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Tonti
  • Taxonomic Class - Fine-loamy, mixed, active, mesic Typic Fragiudults
  • Taxon Kind - series
  • PSC - 10 to 60 cm.
  • Classificaton Date - 2/3/1999
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1
  • Field Measured Properties: 19 percent of Percent clay in the control section and 6 Percent fine sand to 3 IN. in the control section (wt) and 0 Percent rock fragments in the control section (vol)


  • SITE

  • Parent Material: slope alluvium over pedisediment over residuum weathered from mixed
  • Landscape: hills
  • Landform: structural bench
  • Geomorphic Component Hills: base slope
  • Hill Slope Profile: footslope
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: moderately well
  • Bedrock: h slight weathered mixed-igneous and sedimentary
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 2/3/1999 (actual site observation date)
  • Air Photo ID: 24
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    fragipan

    noncoherent

    64 - 102

    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    fragipan

    0—25

    25—152

    64—102

    —-

    —-

    —-

    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

    3

    269

    212

    A—0 to 10 centimeters (0.0 to 3.9 inches); grayish brown (10YR 5/2) silt loam; weak fine granular structure; very friable; 7.0 fine to coarse roots; 7.0 fine and medium interstitial and tubular pores; 5 percent by volume nonflat angular indurated 2-40-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU063746
    Bt1—10 to 25 centimeters (3.9 to 9.8 inches); yellowish brown (10YR 5/4) silt loam; weak medium subangular blocky structure; very friable; 7.0 fine to coarse roots; 7.0 fine and medium tubular pores; 15 percent distinct brown (7.5YR 5/4), moist, clay films on faces of peds and 15 percent distinct dark grayish brown (10YR 4/2), moist, organic stains in root channels and/or pores; 3 percent by volume nonflat angular indurated 2-40-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU063747
    Bt2—25 to 46 centimeters (9.8 to 18.1 inches); strong brown (7.5YR 5/6) silt loam; moderate fine subangular blocky structure; friable; 7.0 fine and medium roots; 3.0 fine and medium tubular pores; 30 percent distinct brown (7.5YR 5/4), moist, clay films on faces of peds; 3 percent by volume nonflat angular indurated 2-40-75 millimeter chert fragments; gradual smooth boundary. Lab sample # MU063748
    Bt3—46 to 64 centimeters (18.1 to 25.2 inches); strong brown (7.5YR 5/6) silt loam; weak medium subangular blocky structure; friable; 3.0 fine and medium roots; 3.0 fine and medium tubular pores; 15 percent distinct brown (7.5YR 5/4), moist, clay films on faces of peds; 10 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU063749
    2Btx—64 to 102 centimeters (25.2 to 40.2 inches); light gray (10YR 7/2) very gravelly silt loam; moderate medium angular blocky structure; friable; brittle; 0.9 fine roots; 0.9 fine tubular pores; 30 percent distinct reddish brown (5YR 4/4), moist, clay films on faces of peds; 15 percent fine platy yellow (10YR 7/6) masses of oxidized iron between peds; 15 percent by volume subangular 75-162-250 millimeter sandstone, unspecified fragments and 40 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; gradual smooth boundary. Lab sample # MU063750. This horizon has 65% brittleness.
    3Bt4—102 to 127 centimeters (40.2 to 50.0 inches); 50 percent yellowish red (5YR 5/6) and 50 percent reddish brown (5YR 5/4) very cobbly loam; moderate medium angular blocky structure; friable; brittle; 0.9 fine roots; 0.9 fine tubular pores; 15 percent distinct red (2.5YR 5/6), moist, clay films on faces of peds and 35 percent distinct pinkish gray (7.5YR 7/2), moist, silt coats on faces of peds; 15 percent by volume subangular 75-162-250 millimeter sandstone, unspecified fragments and 20 percent by volume subangular 2-39-75 millimeter sandstone, unspecified fragments; gradual smooth boundary. Lab sample # MU063751. This horizon has 25% brittleness.
    3Bt5—127 to 152 centimeters (50.0 to 59.8 inches); red (2.5YR 4/8) gravelly loam; moderate medium subangular blocky structure; friable; 3.0 fine tubular pores; 15 percent distinct strong brown (7.5YR 4/6), moist, clay films on faces of peds and 35 percent distinct light brown (7.5YR 6/3), moist, silt coats on faces of peds; 5 percent by volume subangular 75-162-250 millimeter sandstone, unspecified fragments and 20 percent by volume subangular 2-39-75 millimeter sandstone, unspecified fragments; very strongly acid, pH 4.9, hellige-truog. Lab sample # MU063752