IDENTIFIERS

  • Current Taxon Name (Soil Name): Alred
  • OSD
  • Series Extent
  • User Site ID: 1995MO203022M
  • User Pedon ID: 1995MO203022M
  • Transect:
  • User Transect ID - shannon-50612
  • Transect Stop Number - 1
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9561322
  • NCSS Pedon Lab Data NASIS Record ID - 31887
  • Print Date: 5/20/2024
  • 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: 37.1396806
  • Std. Longitude: -91.0782639
  • Datum: WGS84
  • State: Missouri
  • County: MO203—Shannon
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO203—Shannon County, Missouri
  • 7.5 Minute USGS Quad: 37091-B1—Exchange, Missouri
  • PEDON

  • Describers Name: DMM, SV, JW, RLT
  • Current Taxonomic Class: Loamy-skeletal over clayey, siliceous, semiactive, mesic Mollic Paleudalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: not classified to current taxon name
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Alred
  • PSC - 23 to 100 cm.
  • Classificaton Date - 3/28/2011
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Alred
  • Taxonomic Class - Loamy-skeletal over clayey, siliceous, semiactive, mesic Typic Paleudalfs
  • Taxon Kind - series
  • PSC - 23 to 100 cm.
  • Classificaton Date - 6/12/1995
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 3
  • Field Measured Properties: 24 Strongly contrasting textural stratification (depth in inches) and 31 Cation exchange capacity to clay ratio


  • SITE

  • Parent Material: residuum weathered from dolomite and/or slope alluvium derived from cherty limestone
  • Landscape: hills
  • Landform: bench
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/12/1995 (actual site observation date)
  • Air Photo ID: 16
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    argillic horizon

    strongly contrasting particle size class

    0—23

    23—173

    64—

    —-

    —-

    —-

    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

    13

    273

    100

    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments.
    A—3 to 23 centimeters (1.2 to 9.1 inches); very dark grayish brown (10YR 3/2) very gravelly silt loam; strong fine granular structure; very friable; 2.0 medium roots and 7.0 fine roots and 0.9 coarse roots; 7.0 fine interstitial and tubular pores; 35 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.3, hellige-truog; clear smooth boundary. Lab sample # MU054386
    Bt1—23 to 39 centimeters (9.1 to 15.4 inches); 70 percent strong brown (7.5YR 5/6) and 30 percent yellowish brown (10YR 5/4) very gravelly silt loam; moderate fine subangular blocky structure; friable; 0.9 medium roots and 2.0 fine roots and 0.9 coarse roots; 2.0 fine interstitial and tubular and 7.0 fine tubular pores; 10 percent faint strong brown (7.5YR 4/6), moist, clay films on faces of peds and 10 percent distinct yellowish brown (10YR 5/4), moist, silt coats on rock fragments and 35 percent distinct dark yellowish brown (10YR 4/4), moist, clay films on faces of peds; 50 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; moderately acid, pH 5.7, hellige-truog; clear wavy boundary. Lab sample # MU054387
    Bt2—39 to 64 centimeters (15.4 to 25.2 inches); 80 percent brown (7.5YR 5/4) and 20 percent yellowish red (5YR 4/6) extremely gravelly silt loam; moderate fine subangular blocky structure; friable; 0.9 medium roots and 0.9 fine roots; 7.0 fine tubular pores; 35 percent distinct yellowish red (5YR 4/6), moist, clay films on faces of peds and 35 percent distinct yellowish brown (10YR 5/4), moist, silt coats throughout; 65 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.5, hellige-truog; clear wavy boundary. Lab sample # MU054388
    2Bt3—64 to 100 centimeters (25.2 to 39.4 inches); 90 percent red (2.5YR 4/6) and 10 percent strong brown (7.5YR 5/6) gravelly clay; moderate fine angular blocky, and subangular blocky structure; very firm; 0.9 fine roots; 0.9 fine tubular pores; 10 percent distinct brown (7.5YR 5/4), moist, clay films on faces of peds and 10 percent prominent black (N 2/0), moist, manganese or iron-manganese stains on faces of peds and in pores and 35 percent distinct red (2.5YR 4/6), moist, clay films on faces of peds; 15 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.5, hellige-truog; gradual wavy boundary. Lab sample # MU054389
    2Bt4—100 to 145 centimeters (39.4 to 57.1 inches); red (2.5YR 4/6) clay; moderate very fine and fine angular blocky structure; very firm; 0.9 fine roots; 0.9 fine tubular pores; 10 percent distinct yellowish brown (10YR 5/6), moist, clay films on faces of peds and 10 percent distinct black (N 2/0), moist, manganese or iron-manganese stains on faces of peds and in pores; 5 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; neutral, pH 7.2, hellige-truog; gradual wavy boundary. Lab sample # MU054390
    2Bt5—145 to 173 centimeters (57.1 to 68.1 inches); 90 percent red (10R 4/6) and 10 percent reddish yellow (7.5YR 6/6) very cobbly clay; moderate very fine and fine angular blocky structure; very firm; 0.9 fine roots; 0.9 fine interstitial and tubular pores; 10 percent distinct yellowish brown (10YR 5/6), moist, clay films on faces of peds and 35 percent faint black (N 2/0), moist, manganese or iron-manganese stains on faces of peds and in pores; 20 percent by volume 250-425-600 millimeter dolomite (dolostone) fragments and 25 percent by volume 75-162-250 millimeter dolomite (dolostone) fragments; moderately alkaline, pH 8.1, hellige-truog. Lab sample # MU054391. 7.5YR 6/6 matrix color is due to rotten dolomite.