IDENTIFIERS

  • Current Taxon Name (Soil Name): Irondale
  • OSD
  • Series Extent
  • User Site ID: 1991MO123036M
  • User Pedon ID: 1991MO123036M
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9112336
  • NCSS Pedon Lab Data NASIS Record ID - 31384
  • Print Date: 1/30/2025

    • 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: 37.4879456
  • Std. Longitude: -90.2412796
  • Datum: WGS84
  • Township: T32N
  • Range: R7E
  • Section: 2
  • PLSS Details: 3200 feet S and 2800 feet E of the NW corner
  • Location Description: 3200 ft. S and 2800 ft. E. of the NW. corner of Sec. 2, T. 32 N., R. 7 E.
  • Map Unit: 10E—Killarney very cobbly silt loam, 12 to 35 percent slopes, very stony77000—Killarney-Frenchmill complex, 15 to 45 percent slopes, rubbly
  • State: Missouri
  • County: MO123—Madison
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO123—Madison County, Missouri
  • 7.5 Minute USGS Quad: 37090-D2—Marquand, Missouri

    • PEDON

  • Describers Name: KEB, MLC, CGM, RDC
  • Current Taxonomic Class: Loamy-skeletal, mixed, active, mesic, shallow Typic Hapludults
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Irondale
  • PSC - 23 to 46 cm.
  • Classificaton Date - 1/31/2012
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Taumsauk
  • Taxonomic Class - Loamy-skeletal, mixed, active, mesic Lithic Hapludults
  • Taxon Kind - series
  • PSC - 23 to 46 cm.
  • Classificaton Date - 10/9/1991
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Field Measured Properties: 59 Cation exchange capacity to clay ratio


    • SITE

  • Parent Material: slope alluvium derived from granite
  • Landscape: mountains
  • Landform: mountain slope
  • Geomorphic Component Mountains: mountainflank, lower third
  • Hill Slope Profile: footslope
  • Slope Position: lower third
  • Runoff: high
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: granite at 76cm
  • Surface Fragments: 5.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/9/1991 (actual site observation date)
  • Air Photo ID: D-5
  • 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
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, paralithic

    —

    46 - 76

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

    ochric epipedon

    argillic horizon

    paralithic materials

    0—23

    23—46

    46—76

    —-

    —-

    —-
    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

    14

    —

    —

    270

    —

    0

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 8 centimeters (0.0 to 3.1 inches); dark brown (10YR 3/3), light gray (10YR 7/2), dry; very gravelly silt loam; moderate very fine and fine granular structure; very friable; 10.0 very fine and fine roots and 0.5 medium and coarse roots; 15 percent by volume nonflat subangular indurated 75-162-250 millimeter granite fragments and 31 percent by volume nonflat subangular indurated 2-39-75 millimeter granite fragments; extremely acid, pH 4.3, hellige-truog; abrupt wavy boundary. Lab sample # MU042013
    E—8 to 23 centimeters (3.1 to 9.1 inches); brown (10YR 4/3), very pale brown (10YR 7/3), dry; very cobbly silt loam; weak very fine granular structure; very friable; 10.0 fine and medium roots and 0.5 coarse roots; 9 percent by volume nonflat subrounded indurated 2-39-75 millimeter granite fragments and 30 percent by volume nonflat subrounded indurated 75-162-250 millimeter granite fragments; very strongly acid, pH 4.5, hellige-truog; clear wavy boundary. Lab sample # MU042014
    Bt1—23 to 36 centimeters (9.1 to 14.2 inches); light yellowish brown (10YR 6/4) extremely cobbly silt loam; 10 percent strong brown (7.5YR 5/6) fine prominent mottles; moderate very fine subangular blocky structure; friable; 3.0 fine and medium roots; 35 percent faint clay films; 11 percent by volume nonflat subangular indurated 2-39-75 millimeter granite fragments and 50 percent by volume nonflat angular indurated 75-162-250 millimeter granite fragments; very strongly acid, pH 4.6, hellige-truog; clear wavy boundary. Lab sample # MU042015
    Bt2—36 to 46 centimeters (14.2 to 18.1 inches); very pale brown (10YR 7/3) and yellowish brown (10YR 5/8) extremely cobbly silt loam; moderate very fine subangular blocky structure; friable; 3.0 very fine and fine roots; 15 percent faint clay films; 10 percent by volume nonflat subangular indurated 2-39-75 millimeter granite fragments and 60 percent by volume nonflat angular indurated 75-162-250 millimeter granite fragments; very strongly acid, pH 4.5, hellige-truog; abrupt wavy boundary. Lab sample # MU042016
    2C—46 to 76 centimeters (18.1 to 29.9 inches); light yellowish brown (10YR 6/4) extremely cobbly silt loam; 10 percent yellowish red (5YR 4/6) medium prominent and 10 percent strong brown (7.5YR 5/8) fine prominent mottles; moderate fine subangular blocky structure; friable; 2.0 very fine and fine roots; 15 percent faint clay films; 75 percent by volume nonflat subangular indurated 75-162-250 millimeter granite fragments; very strongly acid, pH 4.5, hellige-truog.