IDENTIFIERS

  • Current Taxon Name (Soil Name): Tonti
  • OSD
  • Series Extent
  • User Site ID: 1991MO209043M
  • User Pedon ID: 1991MO209043
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9120919
  • Print Date: 1/29/2025

    • 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: 36.9547222
  • Std. Longitude: -93.5708333
  • Datum: WGS84
  • Township: T26N
  • Range: R24W
  • Section: 16
  • PLSS Details: 1250 feet N and 1100 feet E of the SW corner
  • Location Description: 1250 feet north and 1100 feet east of the southwest corner of sec.16, T. 26 N., R. 24 W.
  • Map Unit: 70032—Tonti silt, 1 to 3 percent slopes
  • State: Missouri
  • County: MO209—Stone
  • MLRA: 116B—Springfield Plain
  • Non-MLRA Soil Survey Area: MO209—Stone County, Missouri

    • PEDON

  • Describers Name: Ken Gregg and Scott Eversoll
  • Current Taxonomic Class: Fine-loamy, mixed, mesic Typic Fragiudults
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Tonti
  • PSC - 25 to 69 cm.
  • Classificaton Date - 4/18/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Tonti
  • Taxon Kind - series
  • Classificaton Date - 4/9/1991
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: residuum weathered from cherty limestone
  • Landscape: plateau
  • Landform: ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Drainage Class: moderately well
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/9/1991 (actual site observation date)
  • Air Photo ID: 4
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - hayland
  • 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

    fragipan

    mottles with chroma 2 or less

    0—13

    25—152

    69—97

    69—152

    —-

    —-

    —-

    —-
    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

    2

    —

    —

    421

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 13 centimeters (0.0 to 5.1 inches); 45 percent yellowish brown (10YR 5/4) and 55 percent brown (10YR 4/3) silt; weak fine granular structure; friable; 22.0 very fine and fine roots throughout and 1.0 medium roots throughout; 10 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; slightly acid, pH 6.2, hellige-truog; abrupt smooth boundary. Lab sample # MU043773
    BE—13 to 25 centimeters (5.1 to 9.8 inches); yellowish brown (10YR 5/4) gravelly silt; weak very fine subangular blocky structure; friable; 22.0 very fine and fine roots throughout; 20 percent distinct brown (10YR 4/3) organic stains on faces of peds; 25 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; neutral, pH 6.6, hellige-truog; clear smooth boundary. Lab sample # MU043774. discontinuous - phpvsfiid 153960; discontinuous - phpvsfiid 153960
    Bt1—25 to 43 centimeters (9.8 to 16.9 inches); yellowish brown (10YR 5/6) gravelly silt loam; weak fine subangular blocky structure; friable; 10.0 very fine and fine roots throughout; 1 percent distinct yellowish brown (10YR 5/6) clay films on faces of peds and 10 percent distinct brown (10YR 5/3) organic stains on faces of peds; 20 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; neutral, pH 6.8, hellige-truog; clear smooth boundary. Lab sample # MU043775. discontinuous - phpvsfiid 153961; discontinuous - phpvsfiid 153962; discontinuous - phpvsfiid 153961; discontinuous - phpvsfiid 153962
    Bt2—43 to 53 centimeters (16.9 to 20.9 inches); yellowish brown (10YR 5/6) gravelly silt loam; weak fine subangular blocky structure; firm; 10.0 very fine and fine roots throughout; 15 percent distinct yellowish brown (10YR 5/6) clay films on faces of peds and in pores; 1 percent fine spherical black (N 2/0) iron-manganese masses between peds; 25 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; slightly acid, pH 6.5, hellige-truog; clear smooth boundary. Lab sample # MU043776. discontinuous - phpvsfiid 153963; discontinuous - phpvsfiid 153963
    Bt3—53 to 69 centimeters (20.9 to 27.2 inches); yellowish brown (10YR 5/6) very gravelly silt loam; moderate fine subangular blocky structure; firm; 10.0 very fine and fine roots throughout; 1 percent distinct pale brown (10YR 6/3) and 10 percent distinct strong brown (7.5YR 5/6) clay films on faces of peds; 1 percent fine spherical black (N 2/0) iron-manganese masses between peds; 35 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.3, hellige-truog; abrupt wavy boundary. Lab sample # MU043777. discontinuous - phpvsfiid 132613; discontinuous - phpvsfiid 153964; discontinuous - phpvsfiid 132613; discontinuous - phpvsfiid 153964
    2Btx—69 to 97 centimeters (27.2 to 38.2 inches); 40 percent light brownish gray (10YR 6/2) and 60 percent yellowish brown (10YR 5/6) extremely gravelly silt loam; massive; hard; brittle; 1.0 very fine roots in cracks; 1 percent distinct dark yellowish brown (10YR 4/6) clay films on vertical faces of peds and 1 percent prominent dark brown (7.5YR 3/4) clay films on vertical faces of peds and 1 percent distinct dark gray (10YR 4/1) clay films on vertical faces of peds; 65 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; abrupt wavy boundary. Lab sample # MU043778. 70% Brittleness Roots are located in an old root channel; patchy - phpvsfiid 153965; patchy - phpvsfiid 153966; patchy - phpvsfiid 153967; patchy - phpvsfiid 153965; patchy - phpvsfiid 153966; patchy - phpvsfiid 153967
    3Bt4—97 to 152 centimeters (38.2 to 59.8 inches); red (2.5YR 4/6) very gravelly clay; weak medium subangular blocky, and moderate fine subangular blocky structure; firm; 1.0 very fine roots in cracks; 2 percent distinct dark gray (10YR 4/1) clay films on vertical faces of peds and 10 percent prominent yellowish brown (10YR 5/4) clay films on faces of peds and in pores and 40 percent distinct dark red (2.5YR 3/6) clay films on faces of peds; 60 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.5, hellige-truog. Lab sample # MU043779. discontinuous - phpvsfiid 153968; patchy - phpvsfiid 153970; discontinuous - phpvsfiid 153969; discontinuous - phpvsfiid 153968; patchy - phpvsfiid 153970; discontinuous - phpvsfiid 153969