IDENTIFIERS

  • Current Taxon Name (Soil Name): Tilk
  • OSD
  • Series Extent
  • User Site ID: 2007MO179012M
  • User Pedon ID: 2007MO179012
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0717912
  • 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: 37.5475194
  • Std. Longitude: -90.8468611
  • Datum: WGS84
  • Township: T33N
  • Range: R2E
  • Section: 8
  • PLSS Details: 1184 feet W and 102 feet N of the SE 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: Dennis Meinert, John Horton, Jennifer Pellett, Leon Thompson
  • Current Taxonomic Class: Loamy-skeletal, siliceous, active, mesic Ultic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 12
  • Correlated Information:
  • Soil Name - Tilk
  • PSC - 86 to 136 cm.
  • Classificaton Date - 7/5/2018
  • Sampled As Information:
  • Soil Name - Tilk
  • Taxonomic Class - Loamy-skeletal, siliceous, semiactive, mesic Typic Hapludalfs
  • Taxon Kind - series
  • PSC - 86 to 136 cm.
  • Classificaton Date - 1/23/2007
  • 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: sandy and silty alluvium derived from mixed over gravelly alluvium derived from cherty limestone over sandy and gravelly alluvium derived from igneous and sedimentary rock over gravelly alluvium derived from igneous, metamorphic and sedimentary rock
  • Landscape: river valley
  • Landform: terrace
  • 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: convex
  • Runoff: very low
  • Drainage Class: somewhat excessively
  • Flooding: rare flooding for extremely brief periods
  • Ponding: none ponding
  • Geology: Bonneterre Formation formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/23/2007 (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
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    15—30

    86—203

    —15—

    —117—
    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

    —

    —

    259.7

    —

    110

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 10 centimeters (0.0 to 3.9 inches); dark brown (10YR 3/3) rubbed silt loam; moderate fine platy structure; friable; 10.0 fine roots throughout; 0.5 fine moderate-continuity tubular pores; fragments; abrupt smooth boundary. Lab sample # MU007479; observed in pit, small
    C1—10 to 15 centimeters (3.9 to 5.9 inches); dark yellowish brown (10YR 4/6) interior loamy coarse sand; single grain; loose; 10.0 fine roots throughout; 10.0 fine moderate-continuity interstitial pores; fragments; abrupt smooth boundary. Lab sample # MU007480; observed in pit, small
    2Ab—15 to 30 centimeters (5.9 to 11.8 inches); dark brown (10YR 3/3) interior very gravelly fine sandy loam; moderate fine subangular blocky structure; friable; 3.0 medium roots throughout and 3.0 fine roots throughout and 0.5 coarse roots throughout; 0.5 fine moderate-continuity tubular pores; 35 percent by volume nonflat subrounded indurated 2-?-75 millimeter chert fragments; abrupt wavy boundary. Lab sample # MU007481; observed in pit, small
    3C2—30 to 66 centimeters (11.8 to 26.0 inches); 60 percent dark yellowish brown (10YR 4/4) interior and 40 percent dark yellowish brown (10YR 4/6) interior extremely gravelly coarse sandy loam; weak fine subangular blocky, and weak medium subangular blocky structure; very friable; 0.5 medium roots throughout and 3.0 fine roots throughout and 0.5 coarse roots throughout; 10.0 medium moderate-continuity interstitial and 10.0 fine moderate-continuity interstitial 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 subrounded indurated 2-?-75 millimeter rhyolite fragments and 50 percent by volume nonflat subrounded indurated 2-?-75 millimeter chert fragments; gradual irregular boundary. Lab sample # MU007482; observed in pit, small
    4C3—66 to 86 centimeters (26.0 to 33.9 inches); dark yellowish brown (10YR 4/6) interior very gravelly loamy coarse sand; single grain; loose; 0.5 fine roots throughout; 10.0 medium moderate-continuity interstitial and 10.0 fine moderate-continuity interstitial and 10.0 coarse moderate-continuity interstitial 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 indurated 2-?-75 millimeter rhyolite fragments and 75 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; gradual irregular boundary. Lab sample # MU007483; observed in pit, small
    5Bt1—86 to 114 centimeters (33.9 to 44.9 inches); brown (7.5YR 4/4) interior extremely gravelly coarse sandy loam; weak fine subangular blocky structure; loose; 0.5 fine roots throughout; 10.0 medium moderate-continuity interstitial and 10.0 fine moderate-continuity interstitial and 10.0 coarse moderate-continuity interstitial pores; 12 percent faint brown (7.5YR 4/4), moist, clay films; 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 indurated 2-?-75 millimeter rhyolite fragments and 60 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; abrupt smooth boundary. Lab sample # MU007484; observed in pit, small
    5Bt2—114 to 137 centimeters (44.9 to 53.9 inches); brown (7.5YR 4/4) interior very gravelly coarse sandy loam; weak fine subangular blocky structure; very friable; 0.5 medium roots throughout and 0.5 fine roots throughout; 10.0 medium moderate-continuity interstitial and 10.0 fine moderate-continuity interstitial pores; 12 percent faint brown (7.5YR 4/4), moist, clay films; 10 percent by volume nonflat subrounded indurated 2-?-75 millimeter rhyolite fragments and 40 percent by volume nonflat subrounded indurated 2-?-75 millimeter chert fragments; clear wavy boundary. Lab sample # MU007485; observed in pit, small
    5Bt3—137 to 163 centimeters (53.9 to 64.2 inches); brown (7.5YR 4/4) interior extremely gravelly sandy clay loam; weak fine subangular blocky structure; very friable; 0.5 fine roots throughout; 10.0 medium moderate-continuity interstitial and 10.0 fine moderate-continuity interstitial and 10.0 coarse moderate-continuity interstitial pores; 12 percent faint brown (7.5YR 4/4), moist, clay films; 10 percent by volume nonflat subrounded indurated 2-?-75 millimeter rhyolite fragments and 55 percent by volume nonflat subrounded indurated 2-?-75 millimeter chert fragments; clear wavy boundary. Lab sample # MU007486; observed in pit, small
    6Bt4—163 to 203 centimeters (64.2 to 79.9 inches); brown (7.5YR 4/3) interior very gravelly loam; weak medium prismatic structure; friable; 0.5 fine roots throughout; 10.0 fine moderate-continuity tubular pores; 12 percent faint brown (7.5YR 4/4), moist, clay films; 5 percent by volume nonflat subrounded indurated 2-?-75 millimeter rhyolite fragments and 40 percent by volume nonflat subrounded indurated 2-?-75 millimeter chert fragments. Lab sample # MU007487; observed in pit, small