IDENTIFIERS

  • Current Taxon Name (Soil Name): Tilk
  • OSD
  • Series Extent
  • User Site ID: 2007MO179027M
  • User Pedon ID: 2007MO179027
  • Vegetation Plot ID: 2007MO179027
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0717927
  • Print Date: 4/26/2025

    • 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: 37.5584000
  • Std. Longitude: -90.8758556
  • Datum: WGS84
  • Township: T33N
  • Range: R2E
  • Section: 7
  • PLSS Details: 1457 feet E and 1515 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-E8—Edgehill, Missouri

    • PEDON

  • Describers Name: Finn Gottschalk, Jennifer Pellett, Dennis Meinert, Leon Thompson
  • Current Taxonomic Class: Loamy-skeletal, siliceous, active, mesic Fragic Hapludalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: map unit inclusion
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 27
  • Correlated Information:
  • Soil Name - Bloomsdale
  • PSC - 20 to 70 cm.
  • Classificaton Date - 7/5/2018
  • Sampled As Information:
  • Soil Name - Midco
  • Taxonomic Class - Fine-loamy, siliceous, active, nonacid, mesic Mollic Fragiudalfs
  • Taxon Kind - series
  • PSC - 20 to 70 cm.
  • Classificaton Date - 6/27/2007
  • 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: fine-loamy slope alluvium derived from mixed over gravelly residuum weathered from sedimentary rock over gravelly residuum weathered from igneous and sedimentary rock
  • Landscape: hills
  • Landform: hillslope
  • Geomorphic Component Hills: base slope
  • Hill Slope Profile: footslope
  • Slope Position: middle third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: somewhat poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Potosi Dolomite formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/27/2007 (actual site observation date)
  • Air Photo ID: 37090e8se
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - other tree cover
  • 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

    QUAL

    ACER

    CARYA

    CORNU

    SAAL5

    DIVI5

    Quercus alba

    Acer

    Carya

    Cornus

    Sassafras albidum

    Diospyros virginiana

    white oak

    maple

    hybrid hickory

    dogwood

    sassafras

    common persimmon

    —

    —

    —

    —

    —

    —

    —

    —

    —

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    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    fragipan

    —

    86 - 203

    - 117 -

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

    mollic epipedon

    argillic horizon

    fragipan

    0—20

    20—86

    86—203

    —20—

    —66—

    —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

    7

    —

    —

    302.1

    —

    350

    —

    —

    —

    —

    —

    —

    —

    —

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    A—0 to 20 centimeters (0.0 to 7.9 inches); dark brown (10YR 3/3) rubbed silt loam; weak medium subangular blocky structure; friable; 3.0 medium roots throughout and 3.0 fine roots throughout; 3.0 fine moderate-continuity tubular pores; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 2 percent by volume nonflat subrounded indurated 2-?-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU005646; observed in pit, small
    Bt1—20 to 38 centimeters (7.9 to 15.0 inches); dark yellowish brown (10YR 4/6) interior silt loam; weak medium subangular blocky structure; friable; 0.5 very coarse roots throughout and 3.0 medium roots throughout and 0.5 fine roots throughout and 0.5 coarse roots throughout; 0.5 medium moderate-continuity tubular and 3.0 fine moderate-continuity tubular pores; 12 percent faint strong brown (7.5YR 4/6), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 2 percent by volume nonflat subrounded indurated 2-?-75 millimeter chert fragments and 10 percent by volume nonflat subrounded indurated 75-?-250 millimeter chert fragments; gradual smooth boundary. Lab sample # MU005647; observed in pit, small
    Bt2—38 to 61 centimeters (15.0 to 24.0 inches); strong brown (7.5YR 5/6) interior silty clay loam; weak medium subangular blocky structure; friable; 0.5 medium roots throughout and 0.5 fine roots throughout and 0.5 coarse roots throughout; 0.5 fine moderate-continuity tubular pores; 70 percent faint strong brown (7.5YR 5/6), moist, clay films on all faces of peds; 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 light brownish gray (10YR 6/2), moist, iron depletions with clear boundaries in matrix; 2 percent by volume nonflat subrounded indurated 2-?-75 millimeter chert fragments; clear wavy boundary. Lab sample # MU005648; observed in pit, small
    2Btg—61 to 86 centimeters (24.0 to 33.9 inches); gray (10YR 6/1) interior gravelly silty clay loam; weak coarse angular blocky structure; firm; 0.5 medium roots throughout; 0.5 very fine moderate-continuity tubular pores; 35 percent distinct gray (10YR 5/1), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/8), moist, iron depletions with clear boundaries in matrix; 15 percent by volume nonflat subrounded indurated 2-?-75 millimeter chert fragments; gradual smooth boundary. Lab sample # MU005649; observed in pit, small
    3Btx1—86 to 114 centimeters (33.9 to 44.9 inches); 90 percent gray (10YR 6/1) interior and 10 percent gray (10YR 5/1) interior gravelly loam; weak coarse prismatic structure; very firm; 0.5 medium roots throughout; 3.0 medium moderate-continuity vesicular and 3.0 fine moderate-continuity tubular pores; 12 percent distinct yellowish brown (10YR 5/4), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented brownish yellow (10YR 6/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/8), moist, iron depletions with clear boundaries in matrix; 1 percent by volume nonflat subrounded strongly coherent cemented 2-?-75 millimeter quartzite fragments and 25 percent by volume nonflat subrounded indurated 2-?-75 millimeter chert fragments; gradual smooth boundary. Lab sample # MU005650; observed in pit, small
    3Btx2—114 to 163 centimeters (44.9 to 64.2 inches); 50 percent gray (10YR 6/1) interior and 50 percent light gray (10YR 7/1) interior gravelly clay loam; weak coarse prismatic structure; very firm; 0.5 fine roots throughout; 3.0 medium moderate-continuity vesicular and 0.5 coarse moderate-continuity vesicular pores; 12 percent distinct brown (10YR 5/3), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented brownish yellow (10YR 6/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/6), 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 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 black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 1 percent by volume nonflat subrounded strongly coherent cemented 2-?-75 millimeter quartzite fragments and 25 percent by volume nonflat subrounded indurated 2-?-75 millimeter chert fragments; gradual wavy boundary. Lab sample # MU005651; observed in pit, small
    3Btx3—163 to 203 centimeters (64.2 to 79.9 inches); gray (10YR 6/1) interior very gravelly clay loam; weak coarse prismatic structure; firm; 0.5 fine roots throughout; 0.5 medium moderate-continuity interstitial pores; 12 percent faint gray (10YR 5/1), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented brownish yellow (10YR 6/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented brownish yellow (10YR 6/8), 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; 1 percent by volume nonflat subrounded strongly coherent cemented 2-?-75 millimeter rhyolite fragments and 5 percent by volume nonflat subrounded very strongly coherent cemented 75-?-250 millimeter sandstone, unspecified fragments and 25 percent by volume nonflat subrounded indurated 75-?-250 millimeter chert fragments and 25 percent by volume nonflat subrounded indurated 2-?-75 millimeter chert fragments. Lab sample # MU005652; observed in pit, small