IDENTIFIERS

  • Current Taxon Name (Soil Name): Tonti
  • OSD
  • Series Extent
  • User Site ID: 1993MO161022M
  • User Pedon ID: 1993MO161022
  • Transect:
  • User Transect ID - T10-93
  • Transect Stop Number - 3
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9316122
  • Print Date: 5/19/2024

    • 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: 37.8221389
  • Std. Longitude: -92.0044444
  • Datum: WGS84
  • Township: T36N
  • Range: R10W
  • Section: 26
  • PLSS Details: 119 feet E and 75 feet S of the NW corner
  • Country: US—United States
  • State: Missouri
  • County: MO161—Phelps
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO161—Phelps County, Missouri
  • 7.5 Minute USGS Quad: 37092-G1—Devils Elbow, Missouri

    • PEDON

  • Describers Name: Grant Butler, R Rouse, S E Larson
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, mesic Typic Fragiudults
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 22
  • Correlated Information:
  • Soil Name - Tonti
  • PSC - 10 to 58 cm.
  • Classificaton Date - 4/11/2012
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Tonti
  • Taxon Kind - series
  • Classificaton Date - 6/29/1993
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: fine-silty loess derived from mixed over fine-loamy slope alluvium derived from mixed over Roubidoux Formation clayey residuum weathered from interbedded sedimentary rock
  • Landscape: hills
  • Landform: hill
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: shoulder
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: very high
  • Drainage Class: moderately well
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Roubidoux Formation formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/29/1993 (actual site observation date)
  • Air Photo ID: 37092g1ne
  • 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 sheet
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    fragipan

    —

    59 - 79

    - 20 -

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

    ochric epipedon

    argillic horizon

    fragipan

    3—10

    10—165

    59—79

    —7—

    —155—

    —20—
    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

    4

    —

    —

    325.8

    —

    70

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments; abrupt smooth boundary.; observed in pit, small
    A—3 to 10 centimeters (1.2 to 3.9 inches); very dark grayish brown (10YR 3/2) exterior, grayish brown (10YR 5/2) exterior, dry; silt; weak very fine subangular blocky structure; friable; 10.0 very fine roots throughout and 3.0 medium roots throughout and 3.0 fine roots throughout; flat very strongly coherent cemented unspecified fragments and 3 percent by volume nonflat angular indurated 2-?-75 millimeter chert fragments; clear wavy boundary. Lab sample # MU007607; observed in pit, small
    Bt1—10 to 20 centimeters (3.9 to 7.9 inches); yellowish brown (10YR 5/4) broken face silt loam; weak fine subangular blocky structure; friable; 3.0 very fine roots throughout and 3.0 medium roots throughout and 3.0 fine roots throughout and 0.5 coarse roots throughout; flat very strongly coherent cemented unspecified fragments and 4 percent by volume nonflat angular indurated 2-?-75 millimeter chert fragments; clear wavy boundary.; observed in pit, small
    Bt2—20 to 28 centimeters (7.9 to 11.0 inches); dark yellowish brown (10YR 4/6) broken face silty clay loam; moderate very fine subangular blocky, and moderate fine subangular blocky structure; firm; 3.0 very fine roots throughout and 0.5 medium roots throughout and 3.0 medium roots throughout and 3.0 fine roots throughout and 0.5 coarse roots throughout; flat very strongly coherent cemented unspecified fragments and 10 percent by volume nonflat angular indurated 2-?-75 millimeter chert fragments; clear wavy boundary.; observed in pit, small
    Bt3—28 to 51 centimeters (11.0 to 20.1 inches); strong brown (7.5YR 4/6) broken face silty clay loam; moderate medium subangular blocky, and moderate fine subangular blocky structure; firm; 0.5 medium roots throughout and 3.0 fine roots throughout and 0.5 coarse roots throughout; flat very strongly coherent cemented unspecified fragments and 10 percent by volume nonflat angular indurated 2-?-75 millimeter chert fragments; clear wavy boundary.; observed in pit, small
    Bt4—51 to 58 centimeters (20.1 to 22.8 inches); strong brown (7.5YR 4/6) broken face gravelly silty clay loam; weak fine subangular blocky structure; firm; 0.5 medium roots throughout and 0.5 fine roots throughout and 0.5 coarse roots throughout; 1 percent medium faint irregular noncoherent cemented grayish brown (10YR 5/2), moist, iron depletions with clear boundaries in matrix; flat very strongly coherent cemented unspecified fragments and 10 percent by volume nonflat subangular very strongly coherent cemented 2-?-75 millimeter sandstone, unspecified fragments and 15 percent by volume nonflat angular indurated 2-?-75 millimeter chert fragments; abrupt smooth boundary.; observed in pit, small
    2Btx—58 to 79 centimeters (22.8 to 31.1 inches); 60 percent yellowish brown (10YR 5/4) broken face and 40 percent yellowish brown (10YR 5/6) broken face very gravelly silt loam; moderate very coarse prismatic structure; very firm; 0.5 very fine roots between peds and 0.5 fine roots between peds; 1 percent medium faint irregular noncoherent cemented grayish brown (10YR 5/2), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented gray (10YR 5/1), moist, iron depletions with clear boundaries in matrix; flat very strongly coherent cemented unspecified fragments and 15 percent by volume nonflat subangular very strongly coherent cemented 2-?-75 millimeter sandstone, unspecified fragments and 30 percent by volume nonflat angular indurated 2-?-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU007612; observed in pit, small
    3Bt1—79 to 124 centimeters (31.1 to 48.8 inches); 60 percent strong brown (7.5YR 4/6) broken face and 40 percent red (2.5YR 4/6) broken face clay; moderate coarse prismatic structure; firm; 0.5 very fine roots throughout and 0.5 fine roots between peds; 1 percent medium faint irregular noncoherent cemented dark gray (10YR 4/1), moist, iron depletions with clear boundaries in matrix; flat very strongly coherent cemented unspecified fragments and 5 percent by volume nonflat angular indurated 2-?-75 millimeter chert fragments and 5 percent by volume nonflat subangular very strongly coherent cemented 2-?-75 millimeter sandstone, unspecified fragments; gradual wavy boundary.; observed in pit, small
    3Bt2—124 to 165 centimeters (48.8 to 65.0 inches); 40 percent red (2.5YR 4/6) broken face and 20 percent light brownish gray (10YR 6/2) broken face and 20 percent brown (10YR 5/3) broken face and 20 percent red (2.5YR 5/8) broken face extremely cobbly clay; moderate medium prismatic, and strong medium subangular blocky structure; firm; 0.5 medium roots throughout; 20 percent by volume flat angular indurated chert fragments and 20 percent by volume flat subangular very strongly coherent cemented sandstone, unspecified fragments and 35 percent by volume nonflat angular indurated 2-?-75 millimeter chert fragments.; observed in pit, small