IDENTIFIERS

  • Current Taxon Name (Soil Name): LOMAX
  • OSD
  • Series Extent
  • User Site ID: 2007MO183029
  • User Pedon ID: 2007MO183029
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0718329
  • NCSS Pedon Lab Data NASIS Record ID - 25696
  • Print Date: 11/21/2024

    • 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: 38.9115278
  • Std. Longitude: -90.3409444
  • Datum: WGS84
  • PLSS Details: 4,606 feet West and 1,322 feet South from the North East corner of Survey 10010,
  • Country: US—United States
  • State: Missouri
  • County: MO183—St. Charles
  • MLRA: 115—Central Mississippi Valley Wooded Slopes
  • Non-MLRA Soil Survey Area: MO183—St. Charles County, Missouri
  • 7.5 Minute USGS Quad: 38090-H3—Elsah, Illinois

    • PEDON

  • Describers Name: Teresa Gerber
  • Current Taxonomic Class: Coarse-loamy, mixed, superactive, mesic Cumulic Hapludolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 29
  • Sampled As Information:
  • Soil Name - LOMAX
  • Taxonomic Class - Coarse-loamy, mixed, superactive, mesic Cumulic Hapludolls
  • PSC - 25 to 102 cm.
  • Classificaton Date - 4/19/2007
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: fine-silty loess derived from mixed
  • Landscape: river valley
  • Landform: flood plain
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: negligible
  • Drainage Class: excessively
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Holocene Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/19/2007 (actual site observation date)
  • Air Photo ID: 38090g4ne
  • Surface Water Kind: none observed
  • 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 gully
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    0—79

    —79—
    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

    0

    —

    —

    134.7

    —

    3

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 20 centimeters (0.0 to 7.9 inches); 60 percent very dark gray (10YR 3/1) broken face and 40 percent very dark grayish brown (10YR 3/2) broken face silt loam; moderate fine subangular blocky, and moderate fine subangular blocky structure; friable; 10.0 very fine roots throughout; 10.0 fine tubular pores; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU004230; observed in pit, small
    A—20 to 41 centimeters (7.9 to 16.1 inches); 40 percent very dark gray (10YR 3/1) broken face and 60 percent very dark grayish brown (10YR 3/2) broken face silt loam; moderate fine subangular blocky, and moderate fine subangular blocky structure; friable; 10.0 very fine roots throughout; 10.0 fine tubular pores; fragments; noneffervescent, by hcl, 1n; abrupt smooth boundary. Lab sample # MU004231; observed in pit, small
    Bw1—41 to 79 centimeters (16.1 to 31.1 inches); very dark grayish brown (10YR 3/2) broken face silt loam; fine subangular blocky, and moderate medium subangular blocky structure; friable; 10.0 very fine roots throughout; 3.0 very fine tubular pores; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU004232; observed in pit, small
    Bw2—79 to 107 centimeters (31.1 to 42.1 inches); dark brown (10YR 3/3) broken face silt loam; fine subangular blocky, and moderate medium subangular blocky structure; friable; 0.5 very fine roots throughout; 0.5 very fine tubular pores; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU004233; observed in pit, small
    Bw3—107 to 132 centimeters (42.1 to 52.0 inches); brown (10YR 4/3) broken face very fine sandy loam; weak fine subangular blocky structure; friable; 0.5 very fine roots throughout; 0.5 very fine tubular pores; fragments; slight effervescence, by hcl, 1n; abrupt smooth boundary. Lab sample # MU004234; observed in pit, small
    Bw4—132 to 160 centimeters (52.0 to 63.0 inches); 90 percent brown (10YR 4/3) broken face and 10 percent very dark grayish brown (10YR 3/2) broken face very fine sandy loam; weak fine subangular blocky structure; friable; fragments; slight effervescence, by hcl, 1n; clear smooth boundary. Lab sample # MU004235; observed in pit, small
    2Bwk1—160 to 183 centimeters (63.0 to 72.0 inches); 80 percent brown (10YR 5/3) broken face and 20 percent grayish brown (10YR 5/2) broken face silty clay loam; moderate medium subangular blocky structure; firm; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; strong effervescence, by hcl, 1n; abrupt smooth boundary. Lab sample # MU004236; observed in pit, small
    2Bwk2—183 to 208 centimeters (72.0 to 81.9 inches); 60 percent brown (10YR 5/3) broken face and 30 percent grayish brown (10YR 5/2) broken face and 10 percent very dark grayish brown (10YR 3/2) broken face silty clay loam; moderate medium subangular blocky structure; firm; 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; strong effervescence, by hcl, 1n. Lab sample # MU004237; observed in pit, small