IDENTIFIERS

  • Current Taxon Name (Soil Name): Tonti
  • OSD
  • Series Extent
  • User Site ID: 1999MO203030M
  • User Pedon ID: 1999MO203030M
  • Transect:
  • Transect Stop Number - 7
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9961330
  • NCSS Pedon Lab Data NASIS Record ID - 31533
  • Print Date: 4/24/2025

    • LOCATION

  • Map Unit: 99001—Water
  • State: Missouri
  • County: MO203—Shannon
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO203—Shannon County, Missouri
  • 7.5 Minute USGS Quad: 37091-B4—Alley Spring, Missouri

    • PEDON

  • Describers Name: DMM, JK
  • 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: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Tonti
  • PSC - 18 to 51 cm.
  • Classificaton Date - 3/8/2011
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Tonti
  • Taxonomic Class - Fine-loamy, mixed, active, mesic Typic Fragiudults
  • Taxon Kind - series
  • PSC - 18 to 51 cm.
  • Classificaton Date - 2/24/1999
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess over slope alluvium derived from limestone and sandstone over residuum weathered from sandstone
  • Landscape: hills
  • Landform: ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: very low
  • Drainage Class: moderately well
  • Wet Soil Moisture Duration: 40
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 2/24/1999 (actual site observation date)
  • 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

    —

    51 - 104

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

    ochric epipedon

    argillic horizon

    fragipan

    0—10

    18—130

    51—104

    —-

    —-

    —-
    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

    —

    —

    329

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 10 centimeters (0.0 to 3.9 inches); dark grayish brown (10YR 4/2) silt loam; strong fine granular structure; very friable; 3.0 very fine and fine roots; 7.0 fine interstitial and tubular pores; 5 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.9, hellige-truog; abrupt smooth boundary. Lab sample # MU063856
    BA—10 to 18 centimeters (3.9 to 7.1 inches); 55 percent very dark grayish brown (10YR 3/2) and 45 percent dark yellowish brown (10YR 4/4) silt loam; weak fine subangular blocky structure; friable; 7.0 very fine and fine roots and 0.9 medium roots; 7.0 very fine tubular pores; 5 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.8, hellige-truog; abrupt smooth boundary. Lab sample # MU063857
    Bt1—18 to 28 centimeters (7.1 to 11.0 inches); dark yellowish brown (10YR 4/6) silt loam; moderate fine subangular blocky structure; friable; 3.0 very fine and fine roots and 0.9 medium roots; 7.0 very fine and fine tubular pores; 15 percent faint yellowish brown (10YR 5/6), moist, clay films on faces of peds and 15 percent faint dark grayish brown (10YR 4/2), moist, organic stains in root channels and/or pores; 5 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU063858
    Bt2—28 to 38 centimeters (11.0 to 15.0 inches); strong brown (7.5YR 5/6) gravelly silt loam; weak fine and medium subangular blocky structure; friable; 3.0 very fine and fine roots and 0.1 very coarse roots and 0.9 medium roots and 0.1 coarse roots; 7.0 very fine and fine tubular pores; 15 percent distinct pale brown (10YR 6/3), moist, silt coats on faces of peds and 15 percent prominent dark grayish brown (10YR 4/2), moist, organic stains in root channels and/or pores and 35 percent faint strong brown (7.5YR 5/6), moist, clay films on all faces of peds; 20 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # MU063859
    Bt3—38 to 51 centimeters (15.0 to 20.1 inches); strong brown (7.5YR 4/6) gravelly silty clay loam; 15 percent yellowish brown (10YR 5/6) fine distinct and 15 percent light brownish gray (10YR 6/2) fine prominent mottles; moderate fine subangular blocky structure; friable; 3.0 very fine to medium roots and 3.0 coarse roots; 7.0 very fine and fine tubular and 0.9 medium tubular pores; 35 percent faint strong brown (7.5YR 4/6), moist, clay films on all faces of peds; 35 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.8, hellige-truog; abrupt smooth boundary. Lab sample # MU063860
    2Btx1—51 to 58 centimeters (20.1 to 22.8 inches); pale brown (10YR 6/3) very gravelly silt loam; 2 percent brownish yellow (10YR 6/8) fine prominent and 15 percent gray (10YR 6/1) medium faint mottles; moderate fine platy structure; very firm, strongly coherent; brittle; 0.1 fine and medium roots; 3.0 fine and medium vesicular pores; 15 percent faint yellowish brown (10YR 5/4), moist, clay films on faces of peds; 30 percent by volume 2-39-75 millimeter sandstone, unspecified fragments and 30 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.8, hellige-truog; abrupt wavy boundary. Lab sample # MU063861
    2Btx2—58 to 71 centimeters (22.8 to 28.0 inches); pale brown (10YR 6/3) very gravelly silt loam; moderate very coarse prismatic structure; very firm, very strongly coherent; brittle; 0.1 fine and medium roots; 3.0 very fine and fine vesicular and 0.1 medium vesicular pores; 15 percent faint pale brown (10YR 6/3), moist, clay films on faces of peds and 15 percent prominent yellowish red (5YR 4/6), moist, clay films on faces of peds; 50 percent by volume 2-39-75 millimeter sandstone, unspecified fragments; very strongly acid, pH 4.7, hellige-truog; clear wavy boundary. Lab sample # MU063862
    2Btx3—71 to 81 centimeters (28.0 to 31.9 inches); 70 percent strong brown (7.5YR 5/6) and 30 percent light brown (7.5YR 6/4) very gravelly silty clay; weak coarse prismatic parts to moderate fine and medium subangular blocky structure; very firm, moderately coherent; brittle; 0.1 fine and medium roots; 3.0 fine vesicular pores; 15 percent prominent pinkish gray (7.5YR 7/2), moist, silt coats on faces of peds and 75 percent distinct yellowish red (5YR 4/6), moist, clay films on faces of peds; 10 percent by volume 250-425-600 millimeter sandstone, unspecified fragments and 20 percent by volume 2-39-75 millimeter sandstone, unspecified fragments and 40 percent by volume 75-162-250 millimeter sandstone, unspecified fragments; very strongly acid, pH 4.6, hellige-truog; clear wavy boundary. Lab sample # MU063863
    2Btx4—81 to 104 centimeters (31.9 to 40.9 inches); 60 percent strong brown (7.5YR 5/6) and 40 percent reddish yellow (7.5YR 6/6) extremely cobbly silty clay; weak coarse prismatic structure; firm, weakly coherent; brittle; 0.1 fine and medium roots; 1.0 very fine and fine vesicular pores; 15 percent prominent gray (7.5YR 5/1), moist, clay films on faces of peds and 35 percent faint strong brown (7.5YR 5/6), moist, clay films on faces of peds; 10 percent by volume 2-39-75 millimeter sandstone, unspecified fragments and 50 percent by volume 75-162-250 millimeter sandstone, unspecified fragments; very strongly acid, pH 4.5, hellige-truog; gradual wavy boundary. Lab sample # MU063864
    3Bt4—104 to 130 centimeters (40.9 to 51.2 inches); 80 percent strong brown (7.5YR 5/6) and 20 percent reddish yellow (7.5YR 6/6) extremely cobbly clay; 2 percent light brownish gray (10YR 6/2) fine prominent mottles; moderate very fine and fine angular blocky structure; firm; 0.9 very fine and fine roots; 3.0 very fine and fine tubular pores; 15 percent prominent dark grayish brown (10YR 4/2), moist, organic stains on faces of peds and 75 percent faint strong brown (7.5YR 5/8), moist, clay films on faces of peds and in pores; fragments. Lab sample # MU063865