IDENTIFIERS

  • Current Taxon Name (Soil Name): Sinkin
  • OSD
  • Series Extent
  • User Site ID: 1994MO203031M
  • User Pedon ID: 1994MO203031M
  • Transect:
  • Transect Stop Number - 1
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9461331
  • NCSS Pedon Lab Data NASIS Record ID - 32101
  • User Project ID: 2021-25NCSPR013
  • Project Name: MLRA 116A - Mark Twain National Forest Update
  • Print Date: 4/19/2025

    • 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: 37.0330000
  • Std. Longitude: -91.4802722
  • 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, LT
  • Current Taxonomic Class: Loamy-skeletal, semiactive, mesic Typic Hapludults
  • 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 - Sinkin
  • PSC - 23 to 73 cm.
  • Classificaton Date - 11/15/2024
  • Classifier - Campbell
  • Soil Taxonomic Edition - thirteenth edition
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Tilk
  • Taxonomic Class - Loamy-skeletal, siliceous, active, mesic Ultic Hapludalfs
  • Taxon Kind - series
  • PSC - 23 to 73 cm.
  • Classificaton Date - 7/25/1994
  • 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: alluvium
  • Landscape: hills
  • Landform: drainageway
  • Geomorphic Component Hills: base slope
  • Hill Slope Profile: toeslope
  • Slope Position: lower third
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: somewhat excessively
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/25/1994 (actual site observation date)
  • Air Photo ID: 19
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - shrub cover
  • Site Obs. Cover Kind 2 - other shrub cover
  • 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

    0—23

    23—124

    —-

    —-
    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

    1

    —

    —

    299

    —

    45

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 15 centimeters (0.0 to 5.9 inches); dark brown (10YR 3/3) very gravelly loam; weak fine granular structure; very friable; 0.5 medium roots and 7.0 fine roots; 8.0 fine interstitial pores; 35 percent distinct very dark grayish brown (10YR 3/2) organic stains in root channels and/or pores; 1 percent by volume nonflat indurated 75-162-250 millimeter chert fragments and 40 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # MU051801
    BA—15 to 23 centimeters (5.9 to 9.1 inches); dark yellowish brown (10YR 4/4) gravelly loam; moderate fine subangular blocky structure; friable; 0.5 medium roots and 2.0 fine roots; 4.0 fine tubular pores; 75 percent prominent dark brown (10YR 3/3) organic stains; 30 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.1, hellige-truog; clear smooth boundary. Lab sample # MU051802
    Bt1—23 to 41 centimeters (9.1 to 16.1 inches); strong brown (7.5YR 4/6) gravelly loam; weak medium subangular blocky, and moderate fine subangular blocky structure; friable; 2.0 fine roots; 0.5 medium vesicular and 8.0 fine and medium tubular pores; 35 percent distinct strong brown (7.5YR 4/6) clay films on faces of peds and 35 percent distinct black (N 2/0) manganese or iron-manganese stains; 30 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.1, hellige-truog; clear smooth boundary. Lab sample # MU051803
    Bt2—41 to 56 centimeters (16.1 to 22.0 inches); dark yellowish brown (10YR 4/4) very gravelly loam; moderate fine subangular blocky structure; friable; 7.0 fine roots; 0.5 fine interstitial and 8.0 fine tubular pores; 35 percent distinct black (N 2/0) manganese or iron-manganese stains and 75 percent distinct strong brown (7.5YR 5/6) clay films on faces of peds; 45 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.1, hellige-truog; clear wavy boundary. Lab sample # MU051804
    2Bt3—56 to 79 centimeters (22.0 to 31.1 inches); strong brown (7.5YR 4/6) extremely gravelly coarse sandy loam; weak fine subangular blocky structure; very friable; 7.0 fine roots; 0.5 fine interstitial and 8.0 fine tubular pores; 35 percent distinct yellowish red (5YR 4/6) clay films on faces of peds and 35 percent distinct light brown (7.5YR 6/3) skeletans on sand and gravel; 5 percent by volume nonflat indurated 75-162-250 millimeter chert fragments and 70 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # MU051805
    2Bt4—79 to 102 centimeters (31.1 to 40.2 inches); strong brown (7.5YR 4/6) very gravelly coarse sandy loam; weak fine subangular blocky structure; very friable; 2.0 fine roots; 8.0 fine interstitial and tubular pores; 35 percent distinct pinkish gray (7.5YR 7/2) skeletans and 35 percent distinct black (N 2/0) manganese or iron-manganese stains and 75 percent distinct red (2.5YR 4/6) clay films on faces of peds and 75 percent distinct yellowish red (5YR 4/6) clay films on faces of peds; 55 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.3, hellige-truog; clear smooth boundary. Lab sample # MU051806
    2C1—102 to 124 centimeters (40.2 to 48.8 inches); strong brown (7.5YR 4/6) extremely gravelly coarse sand; single grain; loose; 0.1 fine roots; 8.0 fine interstitial pores; 35 percent distinct reddish brown (2.5YR 4/4) clay films and 35 percent distinct yellowish red (5YR 4/6) clay films; 1 percent by volume nonflat indurated 75-162-250 millimeter chert fragments and 60 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.2, hellige-truog; abrupt smooth boundary. Lab sample # MU051807
    2C2—124 to 152 centimeters (48.8 to 59.8 inches); strong brown (7.5YR 4/6) extremely gravelly coarse sand; single grain; loose; 0.1 fine roots; 8.0 fine interstitial pores; 35 percent distinct black (N 2/0) manganese or iron-manganese stains on rock fragments; 1 percent by volume nonflat indurated 75-162-250 millimeter chert fragments and 65 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.3, hellige-truog. Lab sample # MU051808