IDENTIFIERS

  • Current Taxon Name (Soil Name): Tonti
  • OSD
  • Series Extent
  • User Site ID: 2008MO035051
  • User Pedon ID: 2008MO035051
  • Vegetation Plot ID: 2008MO035051
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M0803551
  • User Project ID: 2021-25NCSPR013
  • Project Name: MLRA 116A - Mark Twain National Forest Update
  • Print Date: 1/31/2025

    • 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: 36.9696861
  • Std. Longitude: -91.2200000
  • Datum: WGS84
  • Map Unit: 70022—Tonti silt loam, 3 to 8 percent slopes
  • State: Missouri
  • County: MO035—Carter
  • MLRA: 116A—Ozark Highland
  • MLRA Soil Survey Area: NC-SPM—Springfield, Missouri
  • Non-MLRA Soil Survey Area: MO601—Mark Twain National Forest Area, MissouriMO035—Carter County, Missouri
  • 7.5 Minute USGS Quad: 36091-H2—Fremont, Missouri

    • PEDON

  • Describers Name: Jennifer Pellett, Dan Childress, Leon Thompson
  • 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: Missouri Pedon
  • Pedon #: 51
  • Correlated Information:
  • Soil Name - Tonti
  • PSC - 18 to 56 cm.
  • Classificaton Date - 10/30/2018
  • Classifier - J.R. Perkins
  • Soil Taxonomic Edition - twelfth 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 - 33 to 56 cm.
  • Classificaton Date - 3/27/2008
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1
  • Field Measured Properties: 20.3 percent of pscs clay and 15.8 percent of pscs sand and 15.3 percent of pscs gravel and 0.44 ratio of cec to clay ratio


    • SITE

  • Parent Material: pedisediment and/or residuum and/or slope alluvium derived from mixed
  • Landscape: hills
  • Landform: interfluve
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: low
  • Drainage Class: moderately well
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Roubidoux Formation formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/27/2008 (actual site observation date)
  • Air Photo ID: 36091h2
  • Surface Water Kind: none observed
  • 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
  • Site Erosion Accelerated: water erosion gully
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    PIEC2

    CARYA

    ULMUS

    QUST

    SMILA2

    CORNU

    Pinus echinata

    Carya

    Ulmus

    Quercus stellata

    Smilax

    Cornus

    shortleaf pine

    hybrid hickory

    elm

    post oak

    greenbrier

    dogwood

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    fragipan

    noncoherent

    56 - 132

    - 76 -

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

    ochric epipedon

    argillic horizon

    reduced matrix

    fragipan

    redox depletions with chroma 2 or less

    aquic conditions

    0—18

    18—231

    53—231

    56—132

    56—231

    56—231

    —18—

    —213—

    —20—

    —76—

    —175—

    —-
    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

    —

    —

    290

    —

    47

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 18 centimeters (0.0 to 7.1 inches); dark grayish brown (10YR 4/2) rubbed silt loam; moderate fine granular, and moderate fine subangular blocky structure; friable; 10.0 medium roots throughout and 10.0 fine roots throughout and 3.0 coarse roots throughout; 10.0 fine moderate-continuity tubular pores; 1 percent by volume nonflat angular very strongly coherent cemented 75-?-250 millimeter chert fragments and 3 percent by volume nonflat angular strongly coherent cemented 2-?-75 millimeter quartzite fragments; clear smooth boundary.; observed in pit, small
    Bt1—18 to 33 centimeters (7.1 to 13.0 inches); pale brown (10YR 6/3) interior silt loam; moderate medium subangular blocky structure; very friable; 10.0 medium roots throughout and 10.0 fine roots throughout and 0.5 coarse roots throughout; 0.5 medium moderate-continuity tubular and 10.0 fine moderate-continuity tubular pores; 12 percent distinct dark grayish brown (10YR 4/2), moist, organic stains on surfaces along root channels; 1 percent medium faint irregular noncoherent cemented brownish yellow (10YR 6/8), moist, iron depletions with clear boundaries in matrix; 2 percent by volume nonflat angular very strongly coherent cemented 75-?-250 millimeter quartzite fragments and 3 percent by volume nonflat angular strongly coherent cemented 2-?-75 millimeter quartzite fragments; gradual wavy boundary.; observed in pit, small
    Bt2—33 to 56 centimeters (13.0 to 22.0 inches); dark yellowish brown (10YR 4/4) interior gravelly silt loam; moderate medium subangular blocky structure; firm; 10.0 medium roots throughout and 10.0 fine roots throughout and 0.5 coarse roots throughout; 10.0 medium moderate-continuity tubular and 10.0 fine moderate-continuity tubular pores; 12 percent prominent pale brown (10YR 6/3), moist, silt coats on all faces of peds and 35 percent faint dark yellowish brown (10YR 4/6), moist, clay films on all faces of peds; 2 percent by volume nonflat subangular strongly coherent cemented 75-?-250 millimeter sandstone, unspecified fragments and 10 percent by volume nonflat subangular very strongly coherent cemented 2-?-75 millimeter quartzite fragments and 10 percent by volume nonflat subangular very strongly coherent cemented 2-?-75 millimeter chert fragments; clear wavy boundary.; observed in pit, small
    2Btxg1—56 to 94 centimeters (22.0 to 37.0 inches); 80 percent light gray (10YR 7/1) interior and 20 percent light brownish gray (10YR 6/2) interior extremely gravelly silt loam; weak very coarse prismatic structure; very firm; brittle; 0.5 medium roots in cracks and 0.5 fine roots in cracks; 0.5 fine moderate-continuity pores; 35 percent distinct yellowish brown (10YR 5/4), moist, clay films on rock fragments; 1 percent medium faint irregular noncoherent cemented brownish yellow (10YR 6/8), moist, iron depletions with clear boundaries in matrix; 5 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter sandstone, unspecified fragments and 30 percent by volume nonflat subangular very strongly coherent cemented 75-?-250 millimeter chert fragments and 30 percent by volume nonflat subangular very strongly coherent cemented 2-?-75 millimeter chert fragments; clear wavy boundary.; observed in pit, small
    2Btxg2—94 to 132 centimeters (37.0 to 52.0 inches); 80 percent light gray (10YR 7/1) interior and 20 percent brown (10YR 5/3) interior extremely gravelly silt loam; weak very coarse prismatic structure; very firm; brittle; 0.5 medium roots in cracks and 0.5 fine roots in cracks; 0.5 medium moderate-continuity and 0.5 fine moderate-continuity pores; 12 percent prominent red (2.5YR 4/8), moist, clay films on rock fragments; 1 percent medium faint irregular noncoherent cemented brownish yellow (10YR 6/8), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented reddish yellow (7.5YR 6/8), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented dark brown (10YR 3/3), moist, iron depletions with clear boundaries in matrix; 1 percent by volume nonflat subangular very strongly coherent cemented 75-?-250 millimeter chert fragments and 64 percent by volume nonflat angular very strongly coherent cemented 2-?-75 millimeter chert fragments; clear wavy boundary.; observed in pit, small
    2Bt3—132 to 163 centimeters (52.0 to 64.2 inches); 50 percent yellowish red (5YR 5/8) interior and 30 percent yellowish red (5YR 4/6) interior and 20 percent gray (10YR 6/1) interior very gravelly silt loam; moderate fine subangular blocky, and weak fine prismatic structure; firm; 0.5 very fine roots in cracks; 3.0 medium moderate-continuity and 10.0 fine moderate-continuity tubular pores; 12 percent faint yellowish red (5YR 4/6), moist, clay films on all faces of peds and 35 percent prominent strong brown (7.5YR 4/6), moist, clay films on rock fragments; 1 percent medium faint irregular noncoherent cemented brownish yellow (10YR 6/8), moist, iron depletions with clear boundaries in matrix; 1 percent by volume nonflat angular very strongly coherent cemented 75-?-250 millimeter chert fragments and 49 percent by volume nonflat angular very strongly coherent cemented 2-?-75 millimeter chert fragments; clear wavy boundary.; observed in pit, small
    3Bt4—163 to 211 centimeters (64.2 to 83.1 inches); 90 percent red (2.5YR 4/8) interior and 10 percent gray (10YR 6/1) interior very gravelly clay loam; weak fine subangular blocky structure; very firm; 0.5 very fine roots throughout; 0.5 very fine moderate-continuity tubular pores; 35 percent faint red (2.5YR 4/6), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented brownish yellow (10YR 6/8), moist, iron depletions with clear boundaries in matrix; 15 percent by volume nonflat angular very strongly coherent cemented 75-?-250 millimeter chert fragments and 40 percent by volume nonflat angular very strongly coherent cemented 2-?-75 millimeter chert fragments; clear wavy boundary.; observed in pit, small
    3Btg—211 to 231 centimeters (83.1 to 90.9 inches); 70 percent gray (10YR 6/1) interior and 30 percent yellowish red (5YR 4/6) interior extremely gravelly clay; weak fine subangular blocky structure; firm; 3.0 fine moderate-continuity tubular pores; 35 percent prominent red (2.5YR 4/8), moist, clay films on rock fragments; 1 percent medium faint irregular noncoherent cemented brownish yellow (10YR 6/8), moist, iron depletions with clear boundaries in matrix; 5 percent by volume nonflat angular very strongly coherent cemented 75-?-250 millimeter chert fragments and 5 percent by volume nonflat angular strongly coherent cemented 2-?-75 millimeter sandstone, unspecified fragments and 55 percent by volume nonflat angular very strongly coherent cemented 2-?-75 millimeter chert fragments.; observed in pit, small