IDENTIFIERS

  • Current Taxon Name (Soil Name): Ava
  • OSD
  • Series Extent
  • User Site ID: 90IL055006
  • User Pedon ID: 90IL055006
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Pedon # - 90P0854
  • NCSS Pedon Lab Data NASIS Record ID - 62787
  • Print Date: 4/26/2025

    • 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: 37.9393889
  • Std. Longitude: -88.8215278
  • Datum: WGS84
  • Township: 7S
  • Range: 3E
  • Section: 1
  • PLSS Details: 1420 feet west and 1260 feet north of SE corner
  • Map Unit: 14B—Ava silt loam, 2 to 5 percent slopes
  • State: Illinois
  • County: IL055—Franklin
  • MLRA: 113—Central Claypan Areas
  • Non-MLRA Soil Survey Area: IL607—Franklin and Jefferson Counties, Illinois
  • 7.5 Minute USGS Quad: 37088-H7—Thompsonville, Illinois

    • PEDON

  • Describers Name: Jeff Deniger
  • Current Taxonomic Class: Fine-silty, mixed, active, mesic Typic Fragiudalfs
  • Current Taxon Kind: series
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - Ava
  • Taxonomic Class - Fine-silty, mixed, active, mesic Typic Fragiudalfs
  • Classificaton Date - 7/25/1990
  • Soil Taxonomic Edition - first edition
  • Moisture SUBClass - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/25/1990 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

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    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

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    Site Soil Temperature
    Site Obs. Date Depth Sensor Kind Temperature
    cm C

    7/25/1990

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    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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    142.8

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    Ap—0 to 18 centimeters (0.0 to 7.1 inches); silt loam; 6 percent sand; 77 percent silt; 17 percent clay; mottles; weak fine subangular blocky, and weak very fine granular structure; friable; 5.0 very fine and fine roots throughout; ; ; 4 percent fine spherical iron-manganese masses; fragments; very strongly acid, pH 4.8, lamotte-morgan; abrupt smooth boundary.
    E—18 to 31 centimeters (7.1 to 12.2 inches); silt loam; 4 percent sand; 74 percent silt; 22 percent clay; mottles; moderate thick platy, and moderate very fine subangular blocky structure; friable; 4.0 very fine and fine roots throughout; 2 percent distinct iron stains on faces of peds; 1 percent ; ; fragments; very strongly acid, pH 5.0, lamotte-morgan; abrupt smooth boundary. patchy - phpvsfiid 582624; patchy - phpvsfiid 582624
    Bt1—31 to 42 centimeters (12.2 to 16.5 inches); silty clay loam; 2 percent sand; 61 percent silt; 37 percent clay; mottles; strong very fine and fine angular blocky structure; firm; 4.0 very fine and fine roots between peds; 2 percent distinct yellowish brown (10YR 5/8) iron stains on faces of peds and 45 percent faint dark yellowish brown (10YR 4/4) and light gray (10YR 7/2) and dark yellowish brown (10YR 4/4) and yellowish brown (10YR 5/8) clay films on faces of peds and 60 percent faint light gray (10YR 7/2) skeletans on faces of peds; ; ; fragments; very strongly acid, pH 4.8, lamotte-morgan; clear smooth boundary. The use of "faint" in describing the 60 percent light gray skeletans on faces of peds is questionable, given that 10YR 7/2 is distinctly different from the 10YR 5/4 background color for this horizon.; continuous - phpvsfiid 582625; continuous - phpvsfiid 582638; patchy - phpvsfiid 582639; continuous - phpvsfiid 582625; continuous - phpvsfiid 582638; patchy - phpvsfiid 582639
    Bt2—42 to 61 centimeters (16.5 to 24.0 inches); silty clay loam; 2 percent sand; 63 percent silt; 35 percent clay; moderate medium prismatic parts to strong fine and medium angular blocky structure; firm; 3.0 very fine and fine roots between peds; 2 percent prominent 2.5YR 2/0 (2.5YR 2/0) manganese or iron-manganese stains on faces of peds and 15 percent prominent light gray (10YR 7/2) skeletans on faces of peds and 60 percent prominent brown (10YR 4/3) clay films on faces of peds; 2 percent fine distinct yellowish brown (10YR 5/6); ; fragments; very strongly acid, pH 4.6, lamotte-morgan; clear smooth boundary. patchy - phpvsfiid 582626; patchy - phpvsfiid 582641; continuous - phpvsfiid 582640; patchy - phpvsfiid 582626; patchy - phpvsfiid 582641; continuous - phpvsfiid 582640
    Bt3—61 to 89 centimeters (24.0 to 35.0 inches); silty clay loam; 2 percent sand; 71 percent silt; 27 percent clay; moderate medium prismatic parts to moderate medium subangular blocky structure; firm; 2.0 fine roots between peds; and 5 percent prominent black (N 2.5/0) manganese or iron-manganese stains on faces of peds and 15 percent faint and and and dark grayish brown (10YR 4/2) clay films on faces of peds and 15 percent faint and dark yellowish brown (10YR 4/4) clay films on faces of peds and 15 percent prominent light gray (10YR 7/2) skeletans on faces of peds; 15 percent fine and medium distinct light brownish gray (10YR 6/2); 4 percent fine spherical iron-manganese masses; fragments; very strongly acid, pH 4.7, lamotte-morgan; clear wavy boundary. The describer listed the color for the Manganese stains as 2.5Y 2/0, which does not exist; it has been changed to N 2.5/0 on the Gleying Chart 1, which corresponds to black.; continuous - phpvsfiid 582627; continuous - phpvsfiid 582642; patchy - phpvsfiid 582643; patchy - phpvsfiid 582644; continuous - phpvsfiid 582627; continuous - phpvsfiid 582642; patchy - phpvsfiid 582643; patchy - phpvsfiid 582644
    Bt4—89 to 117 centimeters (35.0 to 46.1 inches); silt loam; 8 percent sand; 73 percent silt; 20 percent clay; weak coarse prismatic parts to weak medium subangular blocky structure; firm; 1.0 fine roots between peds; 5 percent prominent black (N 2.5/0) manganese or iron-manganese stains on faces of peds and 7 percent prominent light gray (10YR 7/2) skeletans on faces of peds and 20 percent distinct brown (10YR 4/3) clay films on faces of peds; 15 percent fine prominent light brownish gray (10YR 6/2); 4 percent fine spherical iron-manganese masses; fragments; strongly acid, pH 5.1, lamotte-morgan; clear smooth boundary. Again, changed 2.5Y 2/0 to N 2.5/0 for the manganese stains.; discontinuous - phpvsfiid 582628; patchy - phpvsfiid 582646; patchy - phpvsfiid 582647; discontinuous - phpvsfiid 582628; patchy - phpvsfiid 582646; patchy - phpvsfiid 582647
    Btx1—117 to 141 centimeters (46.1 to 55.5 inches); silt loam; 14 percent sand; 69 percent silt; 18 percent clay; moderate thick platy, and weak fine subangular blocky structure; firm; brittle; 3 percent prominent light gray (10YR 7/2) skeletans on faces of peds and 20 percent prominent brown (10YR 4/3) clay films on faces of peds; 2 percent fine prominent light brownish gray (10YR 6/2) and 10 percent fine prominent yellowish brown (10YR 5/6); 7 percent fine irregular iron-manganese masses; fragments; moderately acid, pH 5.6, lamotte-morgan; clear wavy boundary. discontinuous - phpvsfiid 582648; patchy - phpvsfiid 582629; discontinuous - phpvsfiid 582648; patchy - phpvsfiid 582629
    Btx2—141 to 175 centimeters (55.5 to 68.9 inches); silt loam; 22 percent sand; 61 percent silt; 17 percent clay; weak coarse prismatic structure; firm; brittle; 10 percent prominent brown (10YR 4/3) clay films on faces of peds; 10 percent fine distinct strong brown (7.5YR 5/6); 21 percent fine and medium irregular iron-manganese masses; 1 percent by volume subrounded sedimentary, unspecified fragments; moderately acid, pH 5.6, lamotte-morgan; clear wavy boundary. discontinuous - phpvsfiid 582630; discontinuous - phpvsfiid 582630
    Btx3—175 to 224 centimeters (68.9 to 88.2 inches); silt loam; 25 percent sand; 56 percent silt; 19 percent clay; weak coarse prismatic structure; firm; brittle; 5 percent faint brown (10YR 4/3) clay films on faces of peds; 10 percent fine distinct strong brown (7.5YR 5/6); 25 percent fine and medium irregular iron-manganese masses; 1 percent by volume subrounded sedimentary, unspecified fragments; strongly acid, pH 5.2, lamotte-morgan; clear wavy boundary. discontinuous - phpvsfiid 582631; discontinuous - phpvsfiid 582631
    C1—224 to 242 centimeters (88.2 to 95.3 inches); sandy clay loam; 53 percent sand; 26 percent silt; 22 percent clay; 2 percent light brownish gray (10YR 6/2) medium prominent mottles; weak thin platy structure; very firm; 3 percent faint brown (10YR 5/3) clay films on faces of peds; ; 25 percent fine and medium irregular iron-manganese masses; 25 percent by volume angular sedimentary, unspecified fragments; moderately acid, pH 5.8, lamotte-morgan; clear smooth boundary. discontinuous - phpvsfiid 582632; discontinuous - phpvsfiid 582632
    C2—242 to 272 centimeters (95.3 to 107.1 inches); very fine sandy loam; 60 percent sand; 23 percent silt; 17 percent clay; 2 percent light brownish gray (10YR 6/2) medium prominent mottles; weak thick platy structure; very firm; 3 percent faint brown (7.5YR 4/4) clay films on faces of peds; ; 5 percent fine and medium irregular iron-manganese masses; 25 percent by volume angular sedimentary, unspecified fragments; very strongly acid, pH 5.0, lamotte-morgan. discontinuous - phpvsfiid 582633; discontinuous - phpvsfiid 582633