IDENTIFIERS

  • Current Taxon Name (Soil Name): Tonti
  • OSD
  • Series Extent
  • User Site ID: 1994MO203045M
  • User Pedon ID: 1994MO203045M
  • User Site Association ID: 8562
  • Transect:
  • User Transect ID - shannon-x2
  • Transect Stop Number - 10
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9461345
  • NCSS Pedon Lab Data NASIS Record ID - 32090
  • User Project ID: 2021-25NCSPR013
  • Project Name: MLRA 116A - Mark Twain National Forest Update
  • Print Date: 11/21/2024

    • 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: 37.0245194
  • Std. Longitude: -91.4713778
  • 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: 37091-A4—Bartlett, Missouri

    • PEDON

  • Describers Name: SV, JW
  • Current Taxonomic Class: Fine-loamy, mixed, active, mesic Typic Fragiudults
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Tonti
  • PSC - 23 to 51 cm.
  • Classificaton Date - 2/15/2024
  • Classifier - Campbell and Meinert
  • 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 - 23 to 51 cm.
  • Classificaton Date - 8/31/1994
  • 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: 40 Cation exchange capacity to clay ratio


    • SITE

  • Parent Material: mixed loess over pedisediment over residuum
  • Landscape: hills
  • Landform: hillslope
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/31/1994 (actual site observation date)
  • Air Photo ID: 19
  • 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

    51 - 112

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

    ochric epipedon

    argillic horizon

    fragipan

    3—23

    23—130

    51—112

    —-

    —-

    —-
    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

    13

    —

    —

    341

    —

    0

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments.
    A—3 to 13 centimeters (1.2 to 5.1 inches); very dark grayish brown (10YR 3/2) very gravelly silt loam; weak fine granular structure; very friable; 7.0 very fine and fine roots and 3.0 medium roots; 0.5 medium interstitial and tubular and 7.0 fine interstitial and tubular pores; 50 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.6, hellige-truog; clear smooth boundary. Lab sample # MU051881
    E—13 to 23 centimeters (5.1 to 9.1 inches); yellowish brown (10YR 5/4) silt loam; weak fine subangular blocky structure; friable; 3.0 medium roots and 3.0 fine roots and 3.0 coarse roots; 3.0 fine interstitial and tubular pores; 10 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU051882
    Bt1—23 to 36 centimeters (9.1 to 14.2 inches); dark yellowish brown (10YR 4/6) silt loam; weak fine subangular blocky structure; friable; 0.5 medium roots and 3.0 fine roots and 0.5 coarse roots; 3.0 very fine and fine tubular and 0.5 fine interstitial and tubular pores; 2 percent distinct yellowish brown (10YR 5/4), moist, black stains on faces of peds and in pores and 2 percent black (10YR 2/1), moist, iron stains on faces of peds and 35 percent distinct strong brown (7.5YR 4/6), moist, clay films on faces of peds; 12 percent by volume nonflat indurated 2-?-75 millimeter chert fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # MU051883. discontinuous - phpvsfiid 164866; patchy - phpvsfiid 164865; discontinuous - phpvsfiid 164867; discontinuous - phpvsfiid 164866; patchy - phpvsfiid 164865; discontinuous - phpvsfiid 164867
    Bt2—36 to 51 centimeters (14.2 to 20.1 inches); dark yellowish brown (10YR 4/6) gravelly silt loam; weak fine subangular blocky structure; friable; 0.5 medium roots and 0.5 fine roots; 3.0 fine tubular pores; 35 percent distinct strong brown (7.5YR 4/6), moist, clay films on faces of peds and in pores and 35 percent distinct light brownish gray (10YR 6/2), moist, silt coats on faces of peds; 1 percent fine black (10YR 2/1) iron-manganese masses; 1 percent by volume nonflat indurated 75-162-250 millimeter chert fragments and 25 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # MU051884. continuous - phpvsfiid 164869; discontinuous - phpvsfiid 164868; continuous - phpvsfiid 164869; discontinuous - phpvsfiid 164868
    2Btx1—51 to 67 centimeters (20.1 to 26.4 inches); 70 percent light brownish gray (10YR 6/2) and 30 percent brown (7.5YR 4/4) very gravelly silt loam; weak coarse prismatic parts to weak fine platy structure; extremely firm*; brittle; 0.5 fine roots; 0.5 medium tubular and 3.0 fine tubular pores; 75 percent distinct brown (7.5YR 4/4), moist, clay films on faces of peds and 75 percent distinct light brownish gray (10YR 6/2), moist, silt coats on faces of peds; 35 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # MU051885. patchy - phpvsfiid 164870; patchy - phpvsfiid 164870
    2Btx2—67 to 84 centimeters (26.4 to 33.1 inches); yellowish red (5YR 5/6) and strong brown (7.5YR 4/6) very gravelly loam; weak coarse prismatic parts to moderate fine subangular blocky structure; extremely firm*; brittle; 0.5 very fine and fine roots; 0.5 medium tubular and 0.5 fine vesicular and 7.0 fine tubular pores; 15 percent distinct dark red (2.5YR 3/6), moist, clay films on faces of peds and 15 percent distinct brown (7.5YR 4/4), moist, clay films on faces of peds and 35 percent distinct brown (10YR 5/3), moist, silt coats on faces of peds; 5 percent by volume nonflat indurated 75-162-250 millimeter chert fragments and 35 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.8, hellige-truog; clear wavy boundary. Lab sample # MU051886
    2Btx3—84 to 112 centimeters (33.1 to 44.1 inches); yellowish red (5YR 4/6) extremely cobbly silt loam; weak coarse prismatic parts to weak fine subangular blocky structure; extremely firm*; brittle; 0.5 very fine and fine roots; 0.5 medium tubular and 0.5 fine vesicular and 7.0 fine tubular pores; 15 percent distinct strong brown (7.5YR 4/6), moist, clay films on faces of peds and 35 percent distinct brown (10YR 4/3), moist, clay films on faces of peds and 35 percent distinct gray (10YR 6/1), moist, silt coats on faces of peds and in pores; 5 percent by volume nonflat indurated 250-425-600 millimeter chert fragments and 25 percent by volume nonflat indurated 75-162-250 millimeter chert fragments and 35 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.8, hellige-truog; clear wavy boundary. Lab sample # MU051887
    3Bt3—112 to 130 centimeters (44.1 to 51.2 inches); yellowish red (5YR 5/6) silty clay loam; weak coarse prismatic parts to moderate fine subangular blocky structure; firm; 0.5 very fine and fine roots; 0.5 fine vesicular and 0.1 coarse tubular pores; 15 percent distinct reddish brown (2.5YR 4/4), moist, clay films on faces of peds and 35 percent distinct brown (10YR 4/3), moist, clay films on faces of peds and 35 percent distinct pale brown (10YR 6/3), moist, silt coats on faces of peds and in pores; 5 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.7, hellige-truog; clear wavy boundary. Lab sample # MU051888
    3Bt4—130 centimeters (51.2 inches); yellowish red (5YR 5/6) silty clay loam; weak coarse prismatic parts to moderate fine subangular blocky structure; firm; 0.1 very fine and fine roots; 0.5 fine vesicular and 3.0 fine tubular pores; 2 percent distinct reddish brown (2.5YR 4/4), moist, clay films on faces of peds and 35 percent distinct brown (10YR 4/3), moist, clay films on faces of peds and 35 percent distinct pale brown (10YR 6/3), moist, silt coats on faces of peds; 5 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.7, hellige-truog; clear wavy boundary.