IDENTIFIERS

  • Current Taxon Name (Soil Name): Karnak
  • OSD
  • Series Extent
  • User Site ID: S1991IL055026
  • User Pedon ID: 91IL055026
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 91P1020
  • NCSS Pedon Lab Data NASIS Record ID - 64057
  • Print Date: 12/17/2024

    • LOCATION

  • State: Illinois
  • County: IL055—Franklin

    • PEDON

  • Current Taxonomic Class: Fine, smectitic, acid, mesic Vertic Endoaqualfs
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 26
  • Correlated Information:
  • Soil Name - Karnak
  • Classificaton Date - 6/15/2007
  • Moisture Class - aquic
  • Sampled As Information:
  • Soil Name - Jacob
  • Taxonomic Class - Very-fine, montmorillonitic, acid, mesic Vertic Ha
  • Taxon Kind - series
  • Classificaton Date - 9/1/1991
  • Moisture Class - aquic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1991 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • 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

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    Ap1—0 to 10 centimeters (0.0 to 3.9 inches); grayish brown (10YR 5/2) silty clay; moderate fine and medium granular structure; friable; 5.5 very fine and fine roots throughout; 30 percent spherical iron-manganese concretions; fragments; very strongly acid, pH 4.6, hellige-truog; abrupt smooth boundary. Lab sample # 91P06568. many iron-manganese concretions concentrations; many very fine and fine roots throughout
    Ap2—10 to 25 centimeters (3.9 to 9.8 inches); dark grayish brown (2.5Y 4/2) clay; moderate medium angular blocky structure; very firm; 2.5 very fine and fine roots between peds; 1 percent spherical iron-manganese masses; fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # 91P06569. few soft masses of iron-manganese concentrations; common very fine and fine roots between peds
    Btg1—25 to 86 centimeters (9.8 to 33.9 inches); grayish brown (2.5Y 5/2) silty clay; 11 percent dark yellowish brown (10YR 4/4) mottles; weak coarse prismatic, and weak medium angular blocky structure; firm; 2.5 medium and coarse roots throughout; 15 percent prominent greenish gray (5GY 5/1), moist, clay films in root channels and/or pores and 15 percent faint brown (10YR 4/3), moist, clay films on faces of peds and in pores; 30 percent spherical iron-manganese masses; fragments; strongly acid, pH 5.2, hellige-truog; clear smooth boundary. Lab sample # 91P06570. 1% crystals, prism-shaped; many soft masses of iron-manganese concentrations; few clay films surface features in root channels and/or pores; few clay films surface features on faces of peds and in pores; common medium and coarse roots throughout; common 10YR44 mottles; patchy - phpvsfiid 227474; continuous - phpvsfiid 227475; patchy - phpvsfiid 227474; continuous - phpvsfiid 227475
    Btg2—86 to 119 centimeters (33.9 to 46.9 inches); light brownish gray (2.5Y 6/2) clay; 30 percent dark yellowish brown (10YR 4/4) mottles; weak coarse prismatic structure; very firm; 0.5 fine roots between peds; 15 percent prominent greenish gray (5GY 5/1), moist, clay films in root channels and/or pores; 30 percent spherical iron-manganese masses; fragments; neutral, pH 6.8, hellige-truog; abrupt smooth boundary. Lab sample # 91P06571. 10% crystals, prisms; many soft masses of iron-manganese concentrations; few clay films surface features in root channels and/or pores; few fine roots between peds; many 10YR44 mottles; patchy - phpvsfiid 227476; patchy - phpvsfiid 227476
    Btg3—119 to 145 centimeters (46.9 to 57.1 inches); grayish brown (2.5Y 5/2) clay; weak coarse prismatic, and strong fine prismatic structure; very firm; 0.5 fine roots between peds; 55 percent prominent light brownish gray (10YR 6/2), moist, clay films on faces of peds and in pores and 55 percent prominent black (N 2/0), moist, manganese or iron-manganese stains throughout; 11 percent spherical iron-manganese masses; fragments; neutral, pH 7.2, hellige-truog; abrupt smooth boundary. Lab sample # 91P06572. 10% crystals, prisms; common soft masses of iron-manganese concentrations; many clay films surface features on faces of peds and in pores; many manganese or iron-manganese stains surface features throughout; few fine roots between peds; continuous - phpvsfiid 227477; continuous - phpvsfiid 227478; continuous - phpvsfiid 227477; continuous - phpvsfiid 227478
    Btg4—145 to 175 centimeters (57.1 to 68.9 inches); dark grayish brown (2.5Y 4/2) clay; weak coarse prismatic, and moderate medium angular blocky structure; very firm; 0.5 medium roots between peds; 15 percent prominent black (N 2/0), moist, manganese or iron-manganese stains throughout and 55 percent distinct grayish brown (10YR 5/2), moist, clay films on faces of peds and in pores; 11 percent spherical iron-manganese masses; fragments; slightly alkaline, pH 7.4, hellige-truog; clear smooth boundary. Lab sample # 91P06573. 1% crystals, prisms; common soft masses of iron-manganese concentrations; many clay films surface features on faces of peds and in pores; few manganese or iron-manganese stains surface features throughout; few medium roots between peds; discontinuous - phpvsfiid 227480; continuous - phpvsfiid 227479; discontinuous - phpvsfiid 227480; continuous - phpvsfiid 227479
    Btg5—175 to 249 centimeters (68.9 to 98.0 inches); dark grayish brown (2.5Y 4/2) clay; strong coarse prismatic, and strong medium and coarse angular blocky structure; very firm; 0.5 very fine and fine roots between peds; 15 percent prominent gray (5Y 5/1), moist, slickensides (pedogenic) on vertical faces of peds and 15 percent distinct yellowish brown (10YR 5/6), moist, clay films on faces of peds and in pores and 55 percent prominent gray (5Y 5/1), moist, clay films on faces of peds and in pores; 11 percent irregular masses of oxidized iron and 30 percent spherical iron-manganese masses; fragments; slightly alkaline, pH 7.6, hellige-truog; gradual smooth boundary. Lab sample # 91P06574. 1% crystals, prisms; many soft masses of iron-manganese concentrations; common soft masses of iron concentrations; many clay films surface features on faces of peds and in pores; few intersecting slickensides surface features on vertical faces of peds; few clay films surface features on faces of peds and in pores; few very fine and fine roots between peds; discontinuous - phpvsfiid 227482; continuous - phpvsfiid 227481; discontinuous - phpvsfiid 227483; discontinuous - phpvsfiid 227482; continuous - phpvsfiid 227481; discontinuous - phpvsfiid 227483
    Btg6—249 to 269 centimeters (98.0 to 105.9 inches); gray (5Y 5/1) clay; moderate coarse prismatic, and strong coarse angular blocky structure; very firm; 15 percent prominent gray (5Y 5/1), moist, slickensides (pedogenic) on vertical faces of peds and 55 percent prominent dark gray (5Y 4/1), moist, clay films on faces of peds and in pores; 11 percent spherical iron-manganese masses and 30 percent irregular masses of oxidized iron; fragments; slightly alkaline, pH 7.6, hellige-truog; gradual smooth boundary. Lab sample # 91P06575. 20% crystals, prisms; many soft masses of iron concentrations; common soft masses of iron-manganese concentrations; many clay films surface features on faces of peds and in pores; few intersecting slickensides surface features on vertical faces of peds; continuous - phpvsfiid 227484; discontinuous - phpvsfiid 227485; continuous - phpvsfiid 227484; discontinuous - phpvsfiid 227485
    Btg7—269 to 290 centimeters (105.9 to 114.2 inches); gray (5Y 5/1) silty clay; moderate medium prismatic structure; firm; 37 percent prominent dark gray (5Y 4/1), moist, clay films on faces of peds and in pores; 11 percent spherical iron-manganese masses and 30 percent irregular masses of oxidized iron; fragments; slightly alkaline, pH 7.8, hellige-truog; abrupt smooth boundary. Lab sample # 91P06576. 15% crystals, prisms; many soft masses of iron concentrations; common soft masses of iron-manganese concentrations; common clay films surface features on faces of peds and in pores; continuous - phpvsfiid 227486; continuous - phpvsfiid 227486
    Btg8—290 to 315 centimeters (114.2 to 124.0 inches); gray (5Y 5/1) silty clay; weak medium prismatic structure; firm; 15 percent prominent dark gray (5Y 4/1), moist, clay films on faces of peds and in pores; 11 percent irregular masses of oxidized iron and 11 percent spherical iron-manganese masses; fragments; slight effervescence; slightly alkaline, pH 7.4, hellige-truog; clear smooth boundary. Lab sample # 91P06577. 15% crystals, prisms; common soft masses of iron concentrations; common soft masses of iron-manganese concentrations; few clay films surface features on faces of peds and in pores; continuous - phpvsfiid 227487; continuous - phpvsfiid 227487
    Cg1—315 to 351 centimeters (124.0 to 138.2 inches); grayish brown (2.5Y 5/2) silty clay; 30 percent olive brown (2.5Y 4/4) distinct mottles; massive; firm; 1 percent irregular iron-manganese masses; 1 percent irregular carbonate concretions; fragments; strong effervescence; moderately alkaline, pH 8.4, hellige-truog; gradual smooth boundary. Lab sample # 91P06578. 30% crystals, prisms; few lime concretions concentrations; few soft masses of iron-manganese concentrations; many distinct 2.5Y44 mottles
    Cg2—351 to 386 centimeters (138.2 to 152.0 inches); 30 percent light olive brown (2.5Y 5/4) and 70 percent light brownish gray (2.5Y 6/2) silty clay; massive; firm; 1 percent irregular iron-manganese masses; 1 percent irregular carbonate concretions; fragments; strong effervescence; moderately alkaline, pH 8.4, hellige-truog; diffuse smooth boundary. Lab sample # 91P06579. few lime concretions concentrations; few soft masses of iron-manganese concentrations
    Cg3—386 to 417 centimeters (152.0 to 164.2 inches); 20 percent grayish brown (2.5Y 5/2) and 80 percent light olive brown (2.5Y 5/4) silty clay; massive; firm; 11 percent irregular iron-manganese masses; 1 percent irregular carbonate concretions; fragments; strong effervescence; moderately alkaline, pH 8.4, hellige-truog. Lab sample # 91P06580. common soft masses of iron-manganese concentrations; few lime concretions concentrations