IDENTIFIERS

  • Current Taxon Name (Soil Name): Irondale
  • OSD
  • Series Extent
  • User Site ID: 1988MO123009M
  • User Pedon ID: 1988MO123009M
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M8812309
  • NCSS Pedon Lab Data NASIS Record ID - 31419
  • Print Date: 12/17/2024

    • 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: 37.4912224
  • Std. Longitude: -90.4306641
  • Datum: WGS84
  • Township: T32N
  • Range: R6E
  • Section: 6
  • PLSS Details: 1600 feet E and 1600 feet S of the NW corner
  • Location Description: 1600 ft. E. and 1600 ft. S. of the NW corner of sec. 6, T. 32 N., R. 6 E.
  • Map Unit: 77007—Taumsauk-Irondale-Rock outcrop complex, 15 to 45 percent slopes, extremely stony45F—Taumsauk-Irondale-Rock outcrop complex, 15 to 40 percent slopes, extremely stony
  • State: Missouri
  • County: MO123—Madison
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO123—Madison County, Missouri
  • 7.5 Minute USGS Quad: 37090-D4—Rock Pile Mountain, Missouri

    • PEDON

  • Describers Name: RM, JF andBB
  • Current Taxonomic Class: Loamy-skeletal, mixed, active, mesic Aquic Hapludults
  • Current Taxon Kind: series
  • Pedon Type: within range of map unit
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Irondale
  • PSC - 23 to 73 cm.
  • Classificaton Date - 1/31/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Irondale
  • Taxonomic Class - Loamy-skeletal, mixed, active, mesic Typic Hapludults
  • Taxon Kind - series
  • PSC - 23 to 73 cm.
  • Classificaton Date - 5/18/1988
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Field Measured Properties: 56 Cation exchange capacity to clay ratio


    • SITE

  • Parent Material: loess over residuum
  • Landscape: mountains
  • Landform: mountain slope
  • Runoff: high
  • Drainage Class: well
  • Bedrock: igneous, acid
  • Surface Fragments: 10.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/18/1988 (actual site observation date)
  • Air Photo ID: B-5
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • 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, lithic

    —

    97 -

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

    ochric epipedon

    argillic horizon

    lithic contact

    0—23

    23—97

    97—

    —-

    —-

    —-
    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

    23

    —

    —

    232

    —

    290

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 13 centimeters (0.0 to 5.1 inches); dark grayish brown (10YR 4/2), light brownish gray (10YR 6/2), dry; very gravelly silt loam; moderate fine and medium granular structure; friable; 10.0 fine and medium roots; 10 percent by volume 75-162-250 millimeter unspecified fragments and 30 percent by volume 2-39-75 millimeter unspecified fragments; strongly acid, pH 5.4, hellige-truog; clear smooth boundary. Lab sample # MU033691
    BE—13 to 23 centimeters (5.1 to 9.1 inches); yellowish brown (10YR 5/4) cobbly silt loam; moderate medium subangular blocky structure; friable; 10.0 fine and medium roots and 0.5 coarse roots; 15 percent by volume 2-39-75 millimeter unspecified fragments and 15 percent by volume 75-162-250 millimeter unspecified fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU033692
    Bt1—23 to 36 centimeters (9.1 to 14.2 inches); yellowish brown (10YR 5/6) very gravelly silt loam; moderate medium subangular blocky structure; friable; 3.0 fine and medium roots; brown (10YR 4/3) organic stains; 10 percent by volume 75-162-250 millimeter unspecified fragments and 40 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.9, hellige-truog; clear wavy boundary. Lab sample # MU033693. Most of the organic coatings are channel fill.
    Bt2—36 to 51 centimeters (14.2 to 20.1 inches); strong brown (7.5YR 5/6) very gravelly silt loam; moderate medium subangular blocky structure; friable; 10.0 fine and medium roots; clay films on vertical faces of peds; 1 percent fine dark concretions; 20 percent by volume 75-162-250 millimeter unspecified fragments and 40 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # MU033694. continuous - phpvsfiid 161904; continuous - phpvsfiid 161904
    Bt3—51 to 66 centimeters (20.1 to 26.0 inches); strong brown (7.5YR 5/6) very cobbly silty clay loam; moderate medium subangular blocky structure; friable; 3.0 fine and medium roots; clay films on vertical faces of peds; 1 percent fine dark concretions; 25 percent by volume 2-39-75 millimeter unspecified fragments and 25 percent by volume 75-162-250 millimeter unspecified fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # MU033695. continuous - phpvsfiid 161905; continuous - phpvsfiid 161905
    Bt4—66 to 81 centimeters (26.0 to 31.9 inches); strong brown (7.5YR 4/6) very cobbly silty clay loam; moderate medium subangular blocky structure; friable; 3.0 fine roots; clay films on vertical faces of peds; 1 percent fine dark concretions; 25 percent by volume 2-39-75 millimeter unspecified fragments and 25 percent by volume 75-162-250 millimeter unspecified fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # MU033696. continuous - phpvsfiid 161906; continuous - phpvsfiid 161906
    Bt5—81 to 97 centimeters (31.9 to 38.2 inches); yellowish brown (10YR 5/8) extremely cobbly silt loam; 10 percent pale brown (10YR 6/3) medium mottles; moderate fine subangular blocky structure; friable; 3.0 fine roots; 1 percent fine and medium noncoherent cemented light brownish gray (10YR 6/2) iron depletions; 30 percent by volume 75-162-250 millimeter unspecified fragments and 40 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.8, hellige-truog; clear wavy boundary. Lab sample # MU033697
    R—97 centimeters (38.2 inches); bedrock; fragments.