IDENTIFIERS

  • Current Taxon Name (Soil Name): Irondale
  • OSD
  • Series Extent
  • User Site ID: 1997MO221107M
  • User Pedon ID: 1997MO221107
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9722147
  • 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: 37.7438778
  • Std. Longitude: -90.9082750
  • Datum: WGS84
  • State: Missouri
  • County: MO221—Washington
  • MLRA: 116A—Ozark Highland
  • PEDON

  • Describers Name: DMS,DM,JF
  • Current Taxonomic Class: Loamy-skeletal, mixed Typic Hapludults
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Irondale
  • Taxonomic Class - Loamy-skeletal, mixed Typic Hapludults
  • Taxon Kind - series
  • PSC - 23 to 73 cm.
  • Classificaton Date - 10/23/1997
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: residuum
  • Landscape: hills
  • Landform: hillside
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Surface Fragments: 5.00 percent
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/23/1997 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • 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

    332

    185

    A1—0 to 5 centimeters (0.0 to 2.0 inches); very dark grayish brown (10YR 3/2), light brownish gray (10YR 6/2), dry; very gravelly loam; weak fine subangular blocky parts to moderate very fine granular structure; very friable; 6.0 very fine and fine roots and 0.5 medium and coarse roots; 6.0 very fine and fine interstitial and tubular pores; 10 percent by volume 75-162-250 millimeter igneous, acid fragments and 50 percent by volume 2-39-75 millimeter igneous, acid fragments; moderately acid, pH 5.6, hellige-truog; clear smooth boundary. Lab sample # MU018737
    A2—5 to 15 centimeters (2.0 to 5.9 inches); dark grayish brown (10YR 4/2), light gray (10YR 7/2), dry; very gravelly coarse sandy loam; weak fine platy parts to moderate very fine subangular blocky structure; very friable; 6.0 very fine and fine roots and 3.0 medium and coarse roots; 6.0 very fine interstitial and tubular pores; 5 percent by volume 75-162-250 millimeter igneous, acid fragments and 45 percent by volume 2-39-75 millimeter igneous, acid fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU018738
    E—15 to 23 centimeters (5.9 to 9.1 inches); brown (10YR 5/3) very gravelly silt loam; moderate fine subangular blocky structure; friable; 3.0 very fine and fine roots and 3.0 medium and coarse roots; 6.0 very fine to coarse interstitial and tubular pores; 60 percent prominent silt coats; 10 percent by volume 75-162-250 millimeter igneous, acid fragments and 40 percent by volume 2-39-75 millimeter igneous, acid fragments; very strongly acid, pH 4.7, hellige-truog; gradual smooth boundary. Lab sample # MU018739. discontinuous - phpvsfiid 138695; discontinuous - phpvsfiid 138695
    Bt1—23 to 36 centimeters (9.1 to 14.2 inches); yellowish brown (10YR 5/4) extremely gravelly silt loam; weak fine subangular blocky structure; friable; 3.0 very fine roots; 6.0 very fine to coarse interstitial and tubular pores; 15 percent distinct clay films on rock fragments and 60 percent distinct silt coats on faces of peds; 10 percent by volume 75-162-250 millimeter igneous, acid fragments and 65 percent by volume 2-39-75 millimeter igneous, acid fragments; very strongly acid, pH 4.7, hellige-truog; gradual smooth boundary. Lab sample # MU018740. continuous - phpvsfiid 138696; discontinuous - phpvsfiid 138697; continuous - phpvsfiid 138696; discontinuous - phpvsfiid 138697
    Bt2—36 to 51 centimeters (14.2 to 20.1 inches); 70 percent yellowish brown (10YR 5/4) and 30 percent reddish yellow (7.5YR 6/6) extremely gravelly silt loam; weak fine subangular blocky structure; friable; 3.0 fine and medium roots; 6.0 very fine to coarse interstitial and tubular pores; 15 percent distinct clay films on rock fragments and 35 percent prominent silt coats on faces of peds; 5 percent by volume 75-162-250 millimeter igneous, acid fragments and 65 percent by volume 2-39-75 millimeter igneous, acid fragments; very strongly acid, pH 4.7, hellige-truog; gradual smooth boundary. Lab sample # MU018741. continuous - phpvsfiid 138698; discontinuous - phpvsfiid 138699; continuous - phpvsfiid 138698; discontinuous - phpvsfiid 138699
    B/C1—51 to 69 centimeters (20.1 to 27.2 inches); 65 percent light brown (7.5YR 6/4) and 35 percent yellowish red (5YR 5/6) extremely stony silt loam; weak fine subangular blocky structure; friable; 0.5 very fine and fine roots; 0.5 very fine interstitial and tubular pores; 35 percent distinct silt coats on faces of peds and 35 percent distinct clay films on rock fragments; 10 percent by volume 2-39-75 millimeter acidic-ash fragments and 30 percent by volume 250-425-600 millimeter acidic-ash fragments and 40 percent by volume 75-162-250 millimeter acidic-ash fragments; very strongly acid, pH 4.6, hellige-truog; gradual wavy boundary. Lab sample # MU018742. continuous - phpvsfiid 138700; discontinuous - phpvsfiid 138701; continuous - phpvsfiid 138700; discontinuous - phpvsfiid 138701
    B/C2—69 to 79 centimeters (27.2 to 31.1 inches); 65 percent light brown (7.5YR 6/4) and 35 percent yellowish red (5YR 5/6) extremely stony loam; massive; friable; 0.5 very fine and fine roots; 0.5 very fine interstitial and tubular pores; 15 percent distinct clay films on rock fragments and 35 percent distinct silt coats on faces of peds; 10 percent by volume 75-162-250 millimeter acidic-ash fragments and 15 percent by volume 2-39-75 millimeter acidic-ash fragments and 70 percent by volume 250-425-600 millimeter acidic-ash fragments; very strongly acid, pH 4.6, hellige-truog; gradual wavy boundary. Lab sample # MU018743. continuous - phpvsfiid 138702; discontinuous - phpvsfiid 138703; continuous - phpvsfiid 138702; discontinuous - phpvsfiid 138703
    R—79 centimeters (31.1 inches); bedrock; fragments. ignimbrite bedrock