IDENTIFIERS

  • Current Taxon Name (Soil Name): Tilk
  • OSD
  • Series Extent
  • User Site ID: 2006MO179007M
  • User Pedon ID: 2006MO179007
  • Vegetation Plot ID: 2006MO179007
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0617907
  • Print Date: 11/26/2024

    • 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: 37.5593944
  • Std. Longitude: -90.8730194
  • Datum: WGS84
  • Township: T33N
  • Range: R2E
  • Section: 7
  • PLSS Details: 2271 feet E and 1135 feet S of the NW corner
  • Country: US—United States
  • State: Missouri
  • County: MO179—Reynolds
  • MLRA: 116C—St. Francois Knobs and Basins
  • Non-MLRA Soil Survey Area: MO179—Reynolds County, Missouri
  • 7.5 Minute USGS Quad: 37090-E7—Johnson Shut-ins, Missouri

    • PEDON

  • Describers Name: Leon Thompson, Jennifer Pellett, Dennis Meinert
  • Current Taxonomic Class: Loamy-skeletal, siliceous, active, mesic Ultic Hapludalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: map unit inclusion
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 7
  • Correlated Information:
  • Soil Name - Tilk
  • PSC - 25 to 100 cm.
  • Classificaton Date - 3/22/2017
  • Sampled As Information:
  • Soil Name - Midco
  • Taxonomic Class - Loamy-skeletal, siliceous, semiactive, mesic Fluventic Humic Dystrudepts
  • Taxon Kind - series
  • PSC - 25 to 100 cm.
  • Classificaton Date - 10/18/2006
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loamy alluvium derived from mixed over gravelly alluvium derived from igneous and sedimentary rock over loamy alluvium derived from igneous and sedimentary rock over sandy and gravelly alluvium derived from igneous and sedimentary rock
  • Landscape: river valley
  • Landform: flood-plain step
  • Geomorphic Component Hills: base slope
  • Geomorphic Component Terraces: tread
  • Hill Slope Profile: toeslope
  • Slope Position: lower third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: negligible
  • Drainage Class: well
  • Flooding: rare flooding for extremely brief periods
  • Ponding: none ponding
  • Geology: Potosi Dolomite formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/18/2006 (actual site observation date)
  • Air Photo ID: 37090e7sw
  • Surface Water Kind: flooded
  • Surface Water Depth: 15
  • 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

    THUJA

    RHUS

    LOAR10

    PAVI2

    SCSCD2

    CAREX

    Thuja

    Rhus

    Lolium arundinaceum

    Panicum virgatum

    Schizachyrium scoparium ssp. divergens

    Carex

    arborvitae

    sumac

    tall fescue

    switchgrass

    —

    sedge

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

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    —

    —

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

    umbric epipedon

    cambic horizon

    argillic horizon

    aquic conditions

    0—18

    18—140

    140—178

    140—178

    —18—

    —122—

    —38—

    —38—
    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

    —

    —

    293.8

    —

    74

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 18 centimeters (0.0 to 7.1 inches); dark brown (10YR 3/3) rubbed gravelly silt loam; moderate fine granular structure; very friable; 0.5 medium roots throughout and 10.0 fine roots throughout and 0.5 coarse roots throughout; 10.0 fine interstitial pores; 1 percent by volume nonflat subrounded very strongly coherent cemented 2-?-75 millimeter rhyolite fragments and 5 percent by volume nonflat subrounded very strongly coherent cemented 2-?-75 millimeter sandstone, unspecified fragments and 25 percent by volume nonflat subrounded indurated 2-?-75 millimeter chert fragments; abrupt smooth boundary. Lab sample # MU005611; observed in pit, small
    Bw1—18 to 30 centimeters (7.1 to 11.8 inches); 70 percent dark grayish brown (10YR 4/2) interior and 30 percent brown (10YR 4/3) interior gravelly silt loam; strong medium platy structure; firm; 3.0 fine roots throughout; 0.5 medium tubular and 10.0 fine tubular pores; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 10 percent by volume nonflat subangular very strongly coherent cemented 2-?-75 millimeter sandstone, unspecified fragments and 20 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU005612; observed in pit, small
    2Bw2—30 to 48 centimeters (11.8 to 18.9 inches); strong brown (7.5YR 4/6) interior very gravelly loam; moderate fine subangular blocky structure; friable; 0.5 fine roots throughout; 10.0 medium tubular and 10.0 fine tubular and 0.5 coarse tubular pores; 12 percent faint dark yellowish brown (10YR 4/4), moist, clay films on all faces of peds; 10 percent by volume nonflat subangular very strongly coherent cemented 2-?-75 millimeter sandstone, unspecified fragments and 30 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; clear wavy boundary. Lab sample # MU005613; observed in pit, small
    2Bw3—48 to 74 centimeters (18.9 to 29.1 inches); dark yellowish brown (10YR 4/4) interior very gravelly loam; moderate fine subangular blocky structure; firm; 0.5 fine roots throughout; 10.0 medium tubular and 10.0 fine tubular and 0.5 coarse tubular pores; 70 percent faint brown (10YR 4/3), moist, clay films on rock fragments; 1 percent by volume nonflat subrounded very strongly coherent cemented 75-?-250 millimeter sandstone, unspecified fragments and 10 percent by volume nonflat subrounded very strongly coherent cemented 2-?-75 millimeter sandstone, unspecified fragments and 30 percent by volume nonflat subrounded indurated 2-?-75 millimeter chert fragments; gradual wavy boundary. Lab sample # MU005614; observed in pit, small
    3Bw4—74 to 99 centimeters (29.1 to 39.0 inches); yellowish brown (10YR 5/4) interior gravelly silt loam; moderate medium subangular blocky structure; friable; 0.5 fine roots throughout; 3.0 medium tubular and 10.0 fine tubular and 0.5 coarse tubular pores; 12 percent faint brown (10YR 5/3), moist, clay films on surfaces along pores; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented brown (7.5YR 4/4), moist, iron depletions with clear boundaries in matrix; 2 percent by volume nonflat subrounded very strongly coherent cemented 2-?-75 millimeter rhyolite fragments and 4 percent by volume nonflat subrounded indurated 75-?-250 millimeter chert fragments and 25 percent by volume nonflat subrounded indurated 2-?-75 millimeter chert fragments; gradual wavy boundary. Lab sample # MU005615; observed in pit, small
    4Bw5—99 to 140 centimeters (39.0 to 55.1 inches); dark yellowish brown (10YR 4/4) interior very gravelly loam; moderate medium subangular blocky structure; firm; 0.5 fine roots throughout; 10.0 very fine tubular and 10.0 fine tubular pores; 35 percent faint brown (10YR 4/3), moist, clay films on all faces of peds and 35 percent faint brown (10YR 4/3), moist, clay films on rock fragments; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/8), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/8), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented brown (10YR 5/3), moist, iron depletions with clear boundaries in matrix; 2 percent by volume nonflat subrounded very strongly coherent cemented 2-?-75 millimeter sandstone, unspecified fragments and 3 percent by volume nonflat subrounded indurated 75-?-250 millimeter chert fragments and 5 percent by volume nonflat subrounded very strongly coherent cemented 75-?-250 millimeter rhyolite fragments and 5 percent by volume nonflat subrounded very strongly coherent cemented 2-?-75 millimeter rhyolite fragments and 35 percent by volume nonflat subrounded indurated 2-?-75 millimeter chert fragments; gradual wavy boundary. Lab sample # MU005616; observed in pit, small
    4Bt—140 to 178 centimeters (55.1 to 70.1 inches); brown (10YR 5/3) interior cobbly sandy clay loam; weak fine subangular blocky structure; firm; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented light brownish gray (10YR 6/2), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented dark yellowish brown (10YR 4/6), moist, iron depletions with clear boundaries in matrix; 2 percent by volume nonflat subrounded very strongly coherent cemented 75-?-250 millimeter rhyolite fragments and 20 percent by volume nonflat subrounded very strongly coherent cemented 2-?-75 millimeter sandstone, unspecified fragments and 30 percent by volume nonflat subrounded indurated 2-?-75 millimeter chert fragments and 30 percent by volume nonflat subrounded indurated 75-?-250 millimeter chert fragments. Lab sample # MU005617; observed in pit, small