IDENTIFIERS

  • Current Taxon Name (Soil Name): Muren (T)
  • OSD
  • Series Extent
  • User Site ID: 93IL163003
  • User Pedon ID: 93IL163003
  • Transect:
  • User Transect ID - 93308
  • Transect Stop Number - 10
  • Transect Interval - 100.0
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Print Date: 12/5/2025

    • LOCATION

  • Location Description: 2,000' E and 2,100' S of the NW corner of section 33, T. 3 S., R. 7 W.
  • State: Illinois
  • MLRA: 114—Southern Illinois and Indiana Thin Loess and Till Plain

    • PEDON

  • Describers Name: RAL
  • Current Taxonomic Class: Fine-silty, mixed Aquic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: representative pedon for component
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Muren (T)
  • Taxonomic Class - Fine-silty, mixed Aquic Hapludalfs
  • PSC - 33 to 84 cm.
  • Classificaton Date - 8/12/1993
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: plains
  • Landform: lake terrace
  • Hill Slope Profile: summit
  • Runoff: low
  • Drainage Class: moderately well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/12/1993 (actual site observation date)
  • Air Photo ID: 99
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—33

    33—178

    —-

    —-
    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

    1

    —

    —

    131

    —

    965

    —

    —

    13.9

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 20 centimeters (0.0 to 7.9 inches); brown (10YR 4/3), pale brown (10YR 6/3), dry; 20 percent clay; moderate fine granular structure; friable; 7.0 very fine roots and 3.0 fine roots; 1 percent fine spherical iron-manganese masses; fragments; moderately acid, pH 5.8, hellige-truog; clear smooth boundary.
    AE—20 to 33 centimeters (7.9 to 13.0 inches); brown (10YR 4/3), pale brown (10YR 6/3), dry; 22 percent clay; weak thick platy parts to moderate fine granular structure; friable; 3.0 very fine roots; 1 percent fine spherical iron-manganese masses; fragments; neutral, pH 6.8, hellige-truog; abrupt smooth boundary.
    Bt1—33 to 56 centimeters (13.0 to 22.0 inches); yellowish brown (10YR 5/6); 28 percent clay; moderate fine subangular blocky structure; firm; 3.0 very fine roots; 4 percent distinct light gray (10YR 7/2), dry, silt coats on faces of peds and 60 percent distinct dark yellowish brown (10YR 4/4) clay films on faces of peds; 2 percent fine spherical iron-manganese masses; fragments; neutral, pH 7.0, hellige-truog; clear smooth boundary. At the contact with the AE horizon at 13 inches is a continuous prominent band 1 - 2 mm thick of 10YR 8/2 (dry) silt coatings.
    Bt2—56 to 81 centimeters (22.0 to 31.9 inches); yellowish brown (10YR 5/6); 31 percent clay; 3 percent light brownish gray (10YR 6/2) fine prominent mottles; strong fine subangular blocky structure; firm; 3.0 very fine roots; 25 percent prominent light gray (10YR 7/2), dry, silt coats on faces of peds and 75 percent distinct dark yellowish brown (10YR 4/4) clay films on faces of peds; 1 percent fine spherical iron-manganese masses; fragments; neutral, pH 7.0, hellige-truog; clear smooth boundary. A weak pan where the soil crumbles easily with many silt coatings has developed where water is perching at the top of the lacustrine sediments (2Bt3) horizon.
    2Bt3—81 to 102 centimeters (31.9 to 40.2 inches); yellowish brown (10YR 5/6); 34 percent clay; 15 percent light brownish gray (10YR 6/2) medium prominent mottles; moderate fine prismatic parts to moderate medium subangular blocky structure; firm; 0.5 very fine roots; 8 percent prominent light gray (10YR 7/2), dry, silt coats on faces of peds and 25 percent distinct brown (10YR 5/3) clay films on faces of peds and 31 percent distinct dark yellowish brown (10YR 4/4) clay films on faces of peds; 1 percent fine spherical iron-manganese masses; fragments; strongly acid, pH 5.4, hellige-truog; gradual smooth boundary. A sharp drop in pH from the Peoria Loess to the lacustrine sediments.
    2Bt4—102 to 132 centimeters (40.2 to 52.0 inches); yellowish brown (10YR 5/4); 35 percent clay; 25 percent light brownish gray (10YR 6/2) fine and medium distinct mottles; weak fine prismatic parts to moderate fine subangular blocky structure; firm; 0.5 very fine roots; 5 percent prominent light gray (10YR 7/2), dry, silt coats on faces of peds and 15 percent distinct brown (10YR 5/3) clay films on faces of peds and 22 percent distinct brown (7.5YR 4/4) clay films on faces of peds; 3 percent fine and medium irregular iron-manganese masses; fragments; moderately acid, pH 5.6, hellige-truog; gradual smooth boundary.
    2Bt5—132 to 178 centimeters (52.0 to 70.1 inches); dark yellowish brown (10YR 4/4); 36 percent clay; 10 percent light brownish gray (10YR 6/2) fine distinct mottles; weak fine prismatic parts to weak medium subangular blocky structure; firm; 2 percent prominent very dark gray (10YR 3/1) clay films in root channels and/or pores and 5 percent faint brown (7.5YR 4/4) clay films on faces of peds and 15 percent distinct brown (10YR 5/3) clay films on faces of peds; 5 percent fine and medium irregular iron-manganese masses; fragments; moderately acid, pH 6.0, hellige-truog; gradual smooth boundary.
    2C1—178 to 251 centimeters (70.1 to 98.8 inches); dark yellowish brown (10YR 4/4); 34 percent clay; 3 percent brown (7.5YR 4/4) fine distinct and 15 percent light brownish gray (10YR 6/2) fine and medium distinct mottles; massive; firm; 2 percent prominent very dark gray (10YR 3/1) clay films in root channels and/or pores; 4 percent fine and medium irregular iron-manganese masses; fragments; moderately acid, pH 6.0, hellige-truog; clear smooth boundary.
    3C2—251 to 323 centimeters (98.8 to 127.2 inches); yellowish brown (10YR 5/4); 25 percent clay; 20 percent light brownish gray (10YR 6/2) fine and medium distinct mottles; massive; friable; 1 percent prominent very dark grayish brown (10YR 3/2) clay films in root channels and/or pores; 2 percent fine spherical iron-manganese masses; fragments; slightly acid, pH 6.2, hellige-truog; gradual smooth boundary.
    3C3—323 to 399 centimeters (127.2 to 157.1 inches); brown (7.5YR 5/4); 23 percent clay; 15 percent light brown (7.5YR 6/3) fine and medium distinct mottles; massive; friable; 1 percent prominent dark brown (10YR 3/3) clay films in root channels and/or pores; 3 percent fine irregular iron-manganese masses; fragments; neutral, pH 6.6, hellige-truog.