IDENTIFIERS

  • Current Taxon Name (Soil Name): Tonti
  • OSD
  • Series Extent
  • User Site ID: 1992MO161001M
  • User Pedon ID: 1992MO161001
  • Vegetation Plot ID: 1992MO161001
  • Transect:
  • User Transect ID - T35-91
  • Transect Stop Number - 6
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9216101
  • 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: 37.6071667
  • Std. Longitude: -91.8178333
  • Datum: WGS84
  • Township: T34N
  • Range: R8W
  • Section: 33
  • PLSS Details: 2552 feet W and 2303 feet S of the NE 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: 37091-E7—Maples, Missouri

    • PEDON

  • Describers Name: Grant Butler
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, mesic Aquic Paleudalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Tonti
  • PSC - 18 to 68 cm.
  • Classificaton Date - 4/11/2012
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - udic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Tonti
  • Taxon Kind - series
  • Classificaton Date - 2/25/1992
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: fine-silty loess derived from mixed over Roubidoux Formation clayey slope alluvium derived from interbedded sedimentary rock
  • Landscape: hills
  • Landform: ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: shoulder
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • 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: 2/25/1992 (actual site observation date)
  • Air Photo ID: 37091e7nw
  • 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
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    QUERC

    Quercus

    oak

    —

    —

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

    ochric epipedon

    argillic horizon

    0—18

    28—168

    —18—

    —140—
    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

    —

    —

    411.2

    —

    60

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 8 centimeters (0.0 to 3.1 inches); 50 percent dark grayish brown (10YR 4/2) broken face and 10 percent light brownish gray (10YR 6/2) broken face silt loam; 12 percent sand; 76 percent silt; 12 percent clay; weak very fine subangular blocky, and weak fine subangular blocky structure; very friable; 3.0 very fine roots throughout and 3.0 medium roots throughout and 3.0 fine roots throughout; 5 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; clear wavy boundary. Lab sample # MU007570; observed in pit, small
    BE—8 to 18 centimeters (3.1 to 7.1 inches); yellowish brown (10YR 5/4) broken face silt loam; 10 percent sand; 75 percent silt; 15 percent clay; moderate fine subangular blocky structure; friable; 3.0 very fine roots throughout and 0.5 medium roots throughout and 3.0 fine roots throughout and 0.5 coarse roots throughout; 1 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; clear wavy boundary. Lab sample # MU007571; observed in pit, small
    Bt1—18 to 28 centimeters (7.1 to 11.0 inches); brown (7.5YR 5/4) broken face silt loam; 9 percent sand; 69 percent silt; 22 percent clay; moderate very fine subangular blocky, and moderate fine subangular blocky structure; friable; 3.0 very fine roots throughout and 0.5 medium roots throughout and 3.0 fine roots throughout and 0.5 coarse roots throughout; 35 percent faint clay films on all faces of peds; 3 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; gradual wavy boundary. Lab sample # MU007572; observed in pit, small
    Bt2—28 to 46 centimeters (11.0 to 18.1 inches); strong brown (7.5YR 4/6) broken face gravelly silty clay loam; 8 percent sand; 57 percent silt; 35 percent clay; weak fine prismatic structure; firm; 3.0 very fine roots throughout and 0.5 medium roots throughout and 3.0 fine roots throughout and 0.5 coarse roots throughout; 35 percent distinct clay films on all faces of peds; 15 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; clear wavy boundary. Lab sample # MU007573; observed in pit, small
    Bt3—46 to 53 centimeters (18.1 to 20.9 inches); 50 percent dark yellowish brown (10YR 4/6) broken face and 50 percent pale brown (10YR 6/3) broken face very gravelly silty clay loam; 13 percent sand; 57 percent silt; 30 percent clay; moderate fine prismatic structure; firm; 0.5 very fine roots throughout and 0.5 medium roots throughout and 0.5 fine roots throughout and 0.5 coarse roots throughout; 35 percent distinct clay films on all faces of peds; 3 percent by volume nonflat subangular indurated 250-?-600 millimeter chert fragments and 10 percent by volume nonflat subangular indurated 75-?-250 millimeter chert fragments and 25 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; abrupt wavy boundary. Lab sample # MU007574; observed in pit, small
    2Btx—53 to 64 centimeters (20.9 to 25.2 inches); yellowish brown (10YR 5/4) broken face extremely cobbly silt loam; 12 percent sand; 65 percent silt; 23 percent clay; weak thin platy structure; firm; 0.5 very fine roots between peds; 35 percent faint clay films on all faces of peds; 5 percent by volume nonflat subangular indurated 250-?-600 millimeter chert fragments and 30 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments and 30 percent by volume nonflat subangular indurated 75-?-250 millimeter chert fragments; clear wavy boundary. Lab sample # MU007575; observed in pit, small
    2Bt4—64 to 86 centimeters (25.2 to 33.9 inches); 50 percent reddish brown (5YR 4/4) broken face and 50 percent pinkish gray (7.5YR 6/2) broken face gravelly clay; 4 percent sand; 27 percent silt; 69 percent clay; moderate medium prismatic structure; firm; 0.5 very fine roots throughout and 0.5 fine roots throughout; 70 percent distinct clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 2 percent by volume nonflat subangular indurated 250-?-600 millimeter chert fragments and 5 percent by volume nonflat subangular indurated 75-?-250 millimeter chert fragments and 20 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; gradual wavy boundary. Lab sample # MU007576; observed in pit, small
    2Bt5—86 to 114 centimeters (33.9 to 44.9 inches); 50 percent dark red (2.5YR 3/6) broken face and 50 percent brown (7.5YR 5/3) broken face very gravelly clay; 6 percent sand; 23 percent silt; 71 percent clay; moderate medium prismatic structure; firm; 0.5 very fine roots throughout and 0.5 fine roots throughout; 35 percent prominent clay films on all faces of peds; 5 percent by volume nonflat subangular indurated 75-?-250 millimeter chert fragments and 25 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; gradual wavy boundary. Lab sample # MU007577; observed in pit, small
    2Bt6—114 to 135 centimeters (44.9 to 53.1 inches); 50 percent reddish brown (5YR 4/4) broken face and 50 percent brown (7.5YR 5/4) broken face very cobbly clay; 12 percent sand; 26 percent silt; 62 percent clay; weak medium prismatic structure; firm; 0.5 very fine roots throughout and 0.5 fine roots throughout; 35 percent distinct clay films on all faces of peds; 20 percent by volume nonflat subangular indurated 75-?-250 millimeter chert fragments and 30 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; gradual wavy boundary. Lab sample # MU007578; observed in pit, small
    2Bt7—135 to 168 centimeters (53.1 to 66.1 inches); 34 percent very pale brown (10YR 7/3) broken face and 33 percent brown (10YR 4/3) broken face and 33 percent brown (7.5YR 5/4) broken face extremely gravelly clay; 22 percent sand; 16 percent silt; 62 percent clay; moderate fine angular blocky structure; firm; 70 percent distinct clay films on all faces of peds; 5 percent by volume nonflat subangular indurated 75-?-250 millimeter chert fragments and 60 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments. Lab sample # MU007579; observed in pit, small