IDENTIFIERS

  • Current Taxon Name (Soil Name): Gepp
  • OSD
  • Series Extent
  • User Site ID: 1994MO203022M
  • User Pedon ID: 1994MO203022M
  • User Site Association ID: 8570
  • Transect:
  • User Transect ID - shannon-2
  • Transect Stop Number - 8
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9461322
  • NCSS Pedon Lab Data NASIS Record ID - 32108
  • Print Date: 2/17/2025

    • 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: 37.2331139
  • Std. Longitude: -91.3583972
  • 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-B3—Eminence, Missouri

    • PEDON

  • Describers Name: SV, JW, LT
  • Current Taxonomic Class: Very-fine, mixed, active, mesic Typic Hapludalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: within range of map unit
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Gepp
  • PSC - 20 to 70 cm.
  • Classificaton Date - 2/1/2012
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Gepp
  • Taxonomic Class - Very-fine, mixed, semiactive, mesic Typic Paleudalfs
  • Taxon Kind - series
  • PSC - 20 to 70 cm.
  • Classificaton Date - 9/21/1994
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 3
  • Field Measured Properties: 47 Cation exchange capacity to clay ratio


    • SITE

  • Parent Material: residuum and/or slope alluvium
  • Landscape: hills
  • Landform: hillslope
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/21/1994 (actual site observation date)
  • Air Photo ID: 14
  • Surface Cover Properties:
  • 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

    slickensides

    5—20

    20—208

    69—165

    —-

    —-

    —-
    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

    24

    —

    —

    238

    —

    50

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 5 centimeters (0.0 to 2.0 inches); slightly decomposed plant material; fragments.
    A—5 to 20 centimeters (2.0 to 7.9 inches); 70 percent grayish brown (10YR 5/2) and 30 percent dark grayish brown (10YR 4/2) very gravelly silt loam; weak fine subangular blocky structure; friable; 3.0 medium roots and 3.0 fine roots and 0.5 coarse roots; 7.0 very fine and fine interstitial and tubular pores; 40 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; slightly acid, pH 6.1, hellige-truog; clear smooth boundary. Lab sample # MU051759
    2Bt1—20 to 30 centimeters (7.9 to 11.8 inches); reddish brown (5YR 4/4) silty clay; strong fine subangular blocky structure; firm; 3.0 medium roots and 0.5 fine roots and 0.5 coarse roots; 3.0 fine tubular and 3.0 fine interstitial pores; 35 percent distinct pale brown (10YR 6/3), moist, silt coats on faces of peds and 35 percent distinct brown (10YR 4/3), moist, clay films on faces of peds; 10 percent fine spherical very strongly coherent cemented black (N 2/0) iron-manganese masses between peds; 10 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; moderately acid, pH 5.9, hellige-truog; clear smooth boundary. Lab sample # MU051760
    2Bt2—30 to 46 centimeters (11.8 to 18.1 inches); reddish brown (2.5YR 4/4) gravelly clay; strong very fine subangular blocky structure; firm; 0.5 medium roots and 0.5 fine roots and 0.5 coarse roots; 0.5 fine vesicular and 3.0 fine tubular pores; 35 percent distinct yellowish red (5YR 4/6), moist, clay films on faces of peds; 10 percent medium spherical weakly coherent cemented black (N 2/0) iron-manganese concretions throughout; 20 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; moderately acid, pH 5.6, hellige-truog; clear wavy boundary. Lab sample # MU051761
    2Bt3—46 to 69 centimeters (18.1 to 27.2 inches); reddish brown (2.5YR 4/4) very gravelly clay; moderate very fine angular blocky, and moderate very fine subangular blocky structure; firm; 0.5 medium roots and 0.5 fine roots and 0.5 coarse roots; 0.5 fine vesicular and 3.0 fine tubular pores; 35 percent distinct yellowish red (5YR 4/6), moist, clay films on faces of peds; 10 percent medium irregular noncoherent cemented black (N 2/0) masses of oxidized iron throughout; 40 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; moderately acid, pH 5.6, hellige-truog; clear wavy boundary. Lab sample # MU051762
    2Btss1—69 to 112 centimeters (27.2 to 44.1 inches); dark reddish brown (2.5YR 3/4) clay; moderate coarse angular blocky parts to strong very fine angular blocky structure; very firm; 0.5 medium roots and 0.5 fine roots and 0.5 coarse roots; 0.5 very fine and fine tubular and 0.5 medium tubular pores; 15 percent distinct yellowish red (5YR 5/6), moist, clay films on faces of peds and 35 percent brown (7.5YR 4/4), moist, clay films on faces of peds and 35 percent prominent nonintersecting slickensides on faces of peds; 1 percent fine spherical noncoherent cemented black (N 2/0) iron-manganese concretions throughout; 2 percent by volume nonflat subangular indurated 250-425-600 millimeter chert fragments and 10 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; slightly acid, pH 6.3, hellige-truog; clear wavy boundary. Lab sample # MU051763
    2Btss2—112 to 165 centimeters (44.1 to 65.0 inches); reddish brown (2.5YR 4/4) clay; weak coarse angular blocky parts to moderate very fine subangular blocky structure; very firm; 0.5 very fine and fine roots; 0.5 very fine and fine tubular pores; 35 percent prominent nonintersecting slickensides on faces of peds and 75 percent faint reddish brown (2.5YR 4/4), moist, clay films on faces of peds; 10 percent fine irregular noncoherent cemented black (N 2/0) masses of oxidized iron throughout; 2 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; slightly alkaline, pH 7.7, hellige-truog; gradual wavy boundary. Lab sample # MU051764. 1% of matrix is grayish green material weathered from shale
    2Bt4—165 to 196 centimeters (65.0 to 77.2 inches); 60 percent red (2.5YR 5/8) and 40 percent reddish yellow (5YR 6/8) coarse sandy loam; weak coarse subangular blocky structure; firm; 0.5 very fine and fine roots; 0.5 fine tubular pores; 35 percent distinct reddish brown (2.5YR 4/4), moist, clay films on faces of peds; 1 percent medium irregular noncoherent cemented black (N 2/0) masses of oxidized iron throughout; 1 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; moderately alkaline, pH 8.3, hellige-truog; gradual wavy boundary. Lab sample # MU051765. Few distinct 5g 4/2 shale seams and horizon has 25 per cent pockets of rotten dolomite and 75% pockets of red clay.
    2C/B12—196 to 208 centimeters (77.2 to 81.9 inches); 35 percent reddish yellow (7.5YR 6/8) coarse sandy loam; fragments. Lab sample # MU051766
    2C/B11—196 to 208 centimeters (77.2 to 81.9 inches); 65 percent red (2.5YR 5/8) coarse sandy loam; weak coarse subangular blocky structure; firm; 0.0 roots; 0.5 fine tubular pores; 35 percent distinct reddish brown (5YR 4/4), moist, clay films on faces of peds and 35 percent distinct red (10R 4/6), moist, clay films on faces of peds; fragments; moderately alkaline, pH 8.2, hellige-truog. Lab sample # MU051766