IDENTIFIERS

  • Current Taxon Name (Soil Name): Ava
  • OSD
  • Series Extent
  • User Site ID: S1990IL081028
  • User Pedon ID: 90IL081028
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 91P1118
  • NCSS Pedon Lab Data NASIS Record ID - 64154
  • Print Date: 4/26/2025

    • LOCATION

  • Location Description: T1-S17
  • State: Illinois
  • County: IL081—Jefferson
  • MLRA: 114—Southern Illinois and Indiana Thin Loess and Till Plain

    • PEDON

  • Current Taxonomic Class: Fine, smectitic, mesic Fragic Oxyaquic Hapludalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 28
  • Correlated Information:
  • Soil Name - Ava
  • Classificaton Date - 6/15/2007
  • Moisture Class - udic
  • Moisture Subclass - oxyaquic
  • Sampled As Information:
  • Soil Name - Ava
  • Taxonomic Class - Fine-silty, mixed, mesic Aquic Fragiudalf
  • Taxon Kind - series
  • Classificaton Date - 10/1/1990
  • Moisture Class - udic
  • Moisture SUBClass - aquic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/1/1990 (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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    162

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    Ap—0 to 23 centimeters (0.0 to 9.1 inches); brown (10YR 4/3) silty clay; moderate fine granular structure; friable; 5.5 very fine and fine roots throughout; 1 percent fine spherical iron-manganese concretions; fragments; moderately acid, pH 6.0, hellige-truog; abrupt wavy boundary. Lab sample # 91P07460. core is crushed; few fine iron-manganese concretions concentrations; many very fine and fine roots throughout
    Bt1—23 to 33 centimeters (9.1 to 13.0 inches); yellowish brown (10YR 5/6) silty clay; weak fine subangular blocky structure; firm; 2.5 very fine and fine roots throughout; 15 percent prominent strong brown (7.5YR 5/6), moist, clay films on faces of peds and in pores; 1 percent fine irregular iron-manganese masses; fragments; very strongly acid, pH 5.0, hellige-truog; clear wavy boundary. Lab sample # 91P07461. few fine soft masses of iron-manganese concentrations; few clay films surface features on faces of peds and in pores; common very fine and fine roots throughout; discontinuous - phpvsfiid 227926; discontinuous - phpvsfiid 227926
    Bt2—33 to 43 centimeters (13.0 to 16.9 inches); yellowish brown (10YR 5/6) silty clay; moderate fine subangular blocky structure; firm; 2.5 very fine and fine roots throughout; 15 percent prominent strong brown (7.5YR 5/6), moist, clay films on faces of peds and in pores; 1 percent fine irregular iron-manganese masses; fragments; very strongly acid, pH 4.6, hellige-truog; abrupt wavy boundary. Lab sample # 91P07462. few fine soft masses of iron-manganese concentrations; few clay films surface features on faces of peds and in pores; common very fine and fine roots throughout; discontinuous - phpvsfiid 227927; discontinuous - phpvsfiid 227927
    B/E—43 to 53 centimeters (16.9 to 20.9 inches); brown (10YR 5/3) silty clay; 30 percent grayish brown (10YR 5/2) fine faint mottles; strong medium subangular blocky structure; firm; 0.5 very fine and fine roots between peds; 15 percent faint grayish brown (10YR 5/2), moist, clay films on faces of peds and in pores and 55 percent prominent light gray (10YR 7/1), moist, skeletans on faces of peds and in pores; 1 percent fine irregular iron-manganese masses; fragments; very strongly acid, pH 4.6, hellige-truog; abrupt wavy boundary. Lab sample # 91P07463. few fine soft masses of iron-manganese concentrations; few clay films surface features on faces of peds and in pores; many skeletans (sand or silt) surface features on faces of peds and in pores; few very fine and fine roots between peds; many fine faint 10YR52 mottles; continuous - phpvsfiid 227928; continuous - phpvsfiid 227929; continuous - phpvsfiid 227928; continuous - phpvsfiid 227929
    Bt1—53 to 84 centimeters (20.9 to 33.1 inches); brown (10YR 5/3) silty clay; 30 percent grayish brown (10YR 5/2) fine faint mottles; weak coarse prismatic structure; firm; 0.5 very fine roots between peds; 15 percent faint yellowish brown (10YR 5/4), moist, clay films on faces of peds and in pores; 1 percent fine irregular iron-manganese masses; fragments; very strongly acid, pH 4.8, hellige-truog; gradual wavy boundary. Lab sample # 91P07464. few fine soft masses of iron-manganese concentrations; few clay films surface features on faces of peds and in pores; few very fine roots between peds; many fine faint 10YR52 mottles; discontinuous - phpvsfiid 227930; discontinuous - phpvsfiid 227930
    Bt2—84 to 97 centimeters (33.1 to 38.2 inches); light brownish gray (10YR 6/2) silty clay; 11 percent dark yellowish brown (10YR 4/4) fine and medium distinct and 30 percent yellowish brown (10YR 5/4) fine and medium prominent and 30 percent yellowish brown (10YR 5/6) fine and medium prominent mottles; weak coarse prismatic structure; firm; 0.5 very fine roots between peds; 15 percent faint grayish brown (10YR 5/2), moist, clay films on faces of peds and in pores; 1 percent fine irregular iron-manganese masses; fragments; strongly acid, pH 5.4, hellige-truog; clear wavy boundary. Lab sample # 91P07465. few fine soft masses of iron-manganese concentrations; few clay films surface features on faces of peds and in pores; few very fine roots between peds; common fine and medium distinct 10YR44 mottles; many fine and medium prominent 10YR54 mottles; many fine and medium prominent 10YR56 mottles; discontinuous - phpvsfiid 227931; discontinuous - phpvsfiid 227931
    2Btg1—97 to 135 centimeters (38.2 to 53.1 inches); gray (10YR 5/1) silty clay; 11 percent yellowish brown (10YR 5/6) fine and medium prominent and 30 percent dark yellowish brown (10YR 4/4) fine and medium prominent mottles; weak coarse prismatic structure; firm; 0.5 very fine roots between peds; 15 percent prominent 2.5Y 2/0 (2.5Y 2/0), moist, manganese or iron-manganese stains on faces of peds; 11 percent fine and medium irregular iron-manganese masses; fragments; slightly acid, pH 6.2, hellige-truog; clear wavy boundary. Lab sample # 91P07466. common fine and medium soft masses of iron-manganese concentrations; few manganese or iron-manganese stains surface features on faces of peds; few very fine roots between peds; common fine and medium prominent 10YR56 mottles; many fine and medium prominent 10YR44 mottles; continuous - phpvsfiid 227932; continuous - phpvsfiid 227932
    2Btg2—135 to 170 centimeters (53.1 to 66.9 inches); gray (10YR 6/1) silty clay; 11 percent dark yellowish brown (10YR 4/4) fine and medium prominent and 11 percent yellowish brown (10YR 5/6) fine and medium prominent mottles; weak coarse prismatic structure; firm; 0.5 very fine roots between peds; 2 percent faint gray (10YR 5/1), moist, clay films on faces of peds and in pores; 11 percent fine and medium irregular iron-manganese masses; 1 percent fine irregular barite crystals; fragments; slightly acid, pH 6.2, hellige-truog; gradual wavy boundary. Lab sample # 91P07467. common fine and medium soft masses of iron-manganese concentrations; few fine barite crystals concentrations; very few clay films surface features on faces of peds and in pores; few very fine roots between peds; common fine and medium prominent 10YR44 mottles; common fine and medium prominent 10YR56 mottles; discontinuous - phpvsfiid 227933; discontinuous - phpvsfiid 227933
    2Btg3—170 to 224 centimeters (66.9 to 88.2 inches); gray (10YR 6/1) silty clay; 11 percent dark yellowish brown (10YR 4/4) fine and medium prominent and 11 percent yellowish brown (10YR 5/6) fine and medium prominent mottles; weak coarse prismatic, and weak medium subangular blocky structure; extremely firm*; 0.5 very fine roots between peds; 15 percent faint gray (10YR 5/1), moist, clay films on faces of peds and in pores; 11 percent medium irregular iron-manganese masses; 1 percent fine irregular barite crystals; fragments; neutral, pH 6.8, hellige-truog; clear wavy boundary. Lab sample # 91P07468. common medium soft masses of iron-manganese concentrations; few fine barite crystals concentrations; few clay films surface features on faces of peds and in pores; few very fine roots between peds; common fine and medium prominent 10YR44 mottles; common fine and medium prominent 10YR56 mottles; discontinuous - phpvsfiid 227934; discontinuous - phpvsfiid 227934
    2Btg4—224 to 244 centimeters (88.2 to 96.1 inches); gray (10YR 6/1) silty clay; 1 percent dark yellowish brown (10YR 4/4) fine prominent mottles; weak medium prismatic structure; extremely firm*; 2 percent faint grayish brown (2.5Y 5/2), moist, clay films on faces of peds and in pores; 1 percent fine irregular iron-manganese masses; fragments; slightly alkaline, pH 7.4, hellige-truog; clear wavy boundary. Lab sample # 91P07469. few fine soft masses of iron-manganese concentrations; very few clay films surface features on faces of peds and in pores; few fine prominent 10YR44 mottles; discontinuous - phpvsfiid 227935; discontinuous - phpvsfiid 227935
    3Btg1—244 to 290 centimeters (96.1 to 114.2 inches); grayish brown (2.5Y 5/2) silty clay; 30 percent yellowish brown (10YR 5/6) medium and coarse prominent and 30 percent yellowish brown (10YR 5/8) medium and coarse prominent mottles; moderate medium subangular blocky structure; extremely firm*; 5.5 very fine and fine roots throughout; 37 percent faint grayish brown (2.5Y 5/2), moist, clay films on faces of peds; 1 percent medium irregular iron-manganese masses; 1 percent fine irregular barite crystals; 1 percent by volume 2-39-75 millimeter igneous, unspecified fragments; slightly alkaline, pH 7.6, hellige-truog; gradual wavy boundary. Lab sample # 91P07470. few medium soft masses of iron-manganese concentrations; few fine barite crystals concentrations; common clay films surface features on faces of peds; many very fine and fine roots throughout; many medium and coarse prominent 10YR56 mottles; many medium and coarse prominent 10YR58 mottles; continuous - phpvsfiid 227936; continuous - phpvsfiid 227936
    3Btg2—290 to 356 centimeters (114.2 to 140.2 inches); grayish brown (2.5Y 5/2) silty clay; 30 percent yellowish brown (10YR 5/6) coarse prominent and 30 percent yellowish brown (10YR 5/8) coarse prominent mottles; weak coarse subangular blocky structure; extremely firm*; 0.5 fine roots between peds; 15 percent faint grayish brown (2.5Y 5/2), moist, clay films on faces of peds; 11 percent medium irregular iron-manganese masses; 1 percent by volume 2-39-75 millimeter igneous, unspecified fragments; slightly alkaline, pH 7.6, hellige-truog; clear wavy boundary. Lab sample # 91P07471. common medium soft masses of iron-manganese concentrations; few clay films surface features on faces of peds; few fine roots between peds; many coarse prominent 10YR56 mottles; many coarse prominent 10YR58 mottles; discontinuous - phpvsfiid 234557; discontinuous - phpvsfiid 234557
    4Oa—356 to 366 centimeters (140.2 to 144.1 inches); 2.5Y 2/0 (2.5Y 2/0) and light olive brown (2.5Y 5/6) and light brownish gray (2.5Y 6/2); moderate fine platy structure; firm; 0.5 fine roots between peds; fragments; slightly alkaline, pH 7.4, hellige-truog; clear wavy boundary. coal layer saphric, no sample in core; few fine roots between peds
    5Cr1—366 to 394 centimeters (144.1 to 155.1 inches); light brownish gray (2.5Y 6/2) silty clay; weak coarse prismatic structure; very firm; 0.5 fine roots between peds; 15 percent faint light brownish gray (2.5Y 6/2), moist, clay films on faces of peds; 11 percent fine irregular iron-manganese masses; fragments; slightly alkaline, pH 7.4, hellige-truog; abrupt wavy boundary. Lab sample # 91P07472. shale residuum; common fine soft masses of iron-manganese concentrations; few clay films surface features on faces of peds; few fine roots between peds; discontinuous - phpvsfiid 234558; discontinuous - phpvsfiid 234558
    5Cr2—394 to 409 centimeters (155.1 to 161.0 inches); yellowish brown (10YR 5/6) silty clay; strong fine and medium subangular blocky structure; very firm; 11 percent medium irregular iron-manganese masses; fragments; slightly alkaline, pH 7.4, hellige-truog; abrupt wavy boundary. Lab sample # 91P07473. shale residuum; common medium soft masses of iron-manganese concentrations