IDENTIFIERS

  • Current Taxon Name (Soil Name): Pewamo
  • OSD
  • Series Extent
  • User Site ID: S2007IN135002
  • User Pedon ID: S2007IN135002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 08N0243
  • NCSS Pedon Lab Data NASIS Record ID - 19670
  • Print Date: 4/19/2025

    • 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: 40.2523956
  • Std. Longitude: -85.1538239
  • Datum: WGS84
  • Township: 21N
  • Range: 12E
  • Section: 23
  • PLSS Details: NE1/4, SW1/4, SE1/4
  • Location Description: Wooded site on the Purdue-Davis Agronomy Farm.
  • Map Unit: Pw—Pewamo silty clay loam, 0 to 1 percent slopes
  • Country: US—United States
  • State: Indiana
  • County: IN135—Randolph
  • MLRA: 111B—Indiana and Ohio Till Plain, Northeastern Part
  • Non-MLRA Soil Survey Area: IN135—Randolph County, Indiana
  • 7.5 Minute USGS Quad: 40085-C2—Redkey, Indiana

    • PEDON

  • Describers Name: Stephens, Norm
  • Current Taxonomic Class: Fine, illitic, active, mesic Typic Argiaquolls
  • Current Taxon Kind: series
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 2
  • Sampled As Information:
  • Soil Name - Pewamo
  • Taxonomic Class - Fine, illitic, active, mesic Typic Argiaquolls
  • PSC - 33 to 83 cm.
  • Classificaton Date - 9/27/2007
  • Soil Taxonomic Edition - tenth edition
  • Moisture SUBClass - udic
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: glaciofluvial modified diamicton
  • Landscape: ground moraine till plain
  • Landform: glaciofluvial diamicton depression
  • Geomorphic Component Flats: dip
  • Hill Slope Profile: toeslope
  • Slope Position: lower third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: concave
  • Drainage Pattern: dendritic
  • Runoff: negligible
  • Drainage Class: poorly
  • Flooding: none flooding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/27/2007 (actual site observation date)
  • Surface Water Kind: none observed
  • Microrelief Kind: microhigh
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree 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

    densic material

    strongly coherent

    162 - 203

    - 100 -

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

    mollic epipedon

    argillic horizon

    0—33

    33—101

    —-

    —-
    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

    0

    —

    —

    295

    —

    7

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 16 centimeters (0.0 to 6.3 inches); very dark gray (10YR 3/1) crushed silt loam; 20 percent clay; moderate very coarse granular parts to moderate coarse granular structure; slightly hard, friable; 1.0 medium roots throughout and 1.0 fine roots throughout; 3.0 very fine moderate-continuity tubular pores; fragments; noneffervescent, by hcl, 1n; abrupt smooth boundary. Lab sample # 08N01509; dry when described; observed in pit, small
    A2—16 to 33 centimeters (6.3 to 13.0 inches); very dark brown (10YR 2/2) broken face silt loam; 26 percent clay; 1 percent brown (10YR 5/3) medium distinct irregular mottles; moderate medium subangular blocky parts to moderate medium subangular blocky structure; slightly hard, firm; 1.0 fine roots throughout; 3.0 very fine moderate-continuity tubular pores; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # 08N01510; dry when described; observed in pit, small
    Btg1—33 to 56 centimeters (13.0 to 22.0 inches); dark grayish brown (2.5Y 4/2) broken face silty clay loam; 35 percent clay; 1 percent brown (10YR 5/3) medium faint irregular mottles; moderate medium subangular blocky parts to moderate medium subangular blocky structure; slightly hard, firm; 1.0 fine roots throughout and 1.0 coarse roots throughout; 3.0 very fine moderate-continuity tubular pores; 90 percent distinct very dark gray (2.5Y 3/1), moist, organoargillans on vertical faces of peds; 1 percent fine faint spherical extremely weakly coherent cemented black (2.5Y 2/1), moist, iron-manganese concretions with sharp boundaries in matrix and 5 percent fine prominent irregular noncoherent cemented dark yellowish brown (10YR 4/6), moist, iron-manganese masses with sharp boundaries in matrix; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # 08N01511; dry when described; observed in pit, small. continuous - phpvsfiid 405351; continuous - phpvsfiid 405351
    Btg2—56 to 69 centimeters (22.0 to 27.2 inches); dark gray (2.5Y 4/1) broken face silty clay loam; 38 percent clay; 1 percent brown (10YR 5/3) medium distinct irregular mottles; moderate medium subangular blocky parts to weak fine prismatic structure; moderately hard, firm; 1.0 very fine roots between peds; 1.0 very fine moderate-continuity tubular pores; 30 percent faint very dark gray (2.5Y 3/1), moist, organoargillans on vertical faces of peds; 1 percent fine faint spherical extremely weakly coherent cemented black (2.5Y 2/1), moist, iron-manganese concretions with sharp boundaries in matrix and 5 percent fine distinct irregular noncoherent cemented light olive brown (2.5Y 5/4), moist, iron-manganese masses with diffuse boundaries in matrix; 1 percent by volume nonflat rounded indurated 2-5-76 millimeter dolomite (dolostone) fragments; noneffervescent, by hcl, 1n; abrupt smooth boundary. Lab sample # 08N01512; dry when described; observed in pit, small. continuous - phpvsfiid 405352; continuous - phpvsfiid 405352
    Btg3—69 to 101 centimeters (27.2 to 39.8 inches); grayish brown (2.5Y 5/2) broken face silty clay loam; 34 percent clay; 1 percent brown (10YR 5/3) medium faint irregular mottles; moderate medium subangular blocky parts to moderate medium prismatic structure; moderately hard, firm; 1.0 very fine roots in cracks; 1.0 coarse moderate-continuity tubular pores; 30 percent faint very dark gray (2.5Y 3/1), moist, organoargillans on vertical faces of peds; 1 percent fine distinct spherical extremely weakly coherent cemented black (2.5Y 2/1), moist, iron-manganese concretions with sharp boundaries in matrix and 10 percent fine prominent irregular noncoherent cemented light olive brown (2.5Y 5/4), moist, iron-manganese masses with diffuse boundaries in matrix and 10 percent fine distinct irregular noncoherent cemented yellowish brown (10YR 5/6), moist, iron-manganese masses with clear boundaries in matrix; nonflat angular indurated 2-5-76 millimeter dolomite (dolostone) fragments and 1 percent by volume nonflat subangular indurated 2-5-76 millimeter dolomite (dolostone) fragments; noneffervescent, by hcl, 1n; clear wavy boundary. Lab sample # 08N01513; dry when described; observed in pit, small. continuous - phpvsfiid 405356; continuous - phpvsfiid 405356
    BCt—101 to 142 centimeters (39.8 to 55.9 inches); olive brown (2.5Y 4/3) broken face silty clay loam; 34 percent clay; 1 percent brown (10YR 5/3) medium faint irregular mottles; moderate medium prismatic parts to moderate medium angular blocky structure; moderately hard, very firm; 1.0 very fine roots in cracks; 1.0 coarse moderate-continuity tubular pores; 10 percent distinct very dark gray (2.5Y 3/1), moist, organoargillans on vertical faces of peds; 1 percent fine distinct spherical extremely weakly coherent cemented black (2.5Y 2/1), moist, iron-manganese concretions with sharp boundaries in matrix and 20 percent fine distinct irregular noncoherent cemented grayish brown (10YR 5/2), moist, iron depletions with diffuse boundaries in matrix and 25 percent fine distinct irregular noncoherent cemented yellowish brown (10YR 5/6), moist, iron-manganese masses with diffuse boundaries in matrix; 3 percent fine prominent irregular noncoherent cemented light gray (10YR 7/2), moist, carbonate, finely disseminated with clear boundaries infused into matrix along faces of peds and 2 percent medium prominent irregular noncoherent cemented light gray (10YR 7/2), moist, carbonate, finely disseminated with clear boundaries infused into matrix adjacent to pores; fragments; noneffervescent, by hcl, 1n; clear wavy boundary. Lab sample # 08N01514; dry when described; observed in pit, small. discontinuous - phpvsfiid 405353; discontinuous - phpvsfiid 405353
    2CB—142 to 165 centimeters (55.9 to 65.0 inches); 85 percent olive brown (2.5Y 4/4) broken face and 15 percent dark gray (2.5Y 4/1) broken face silty clay loam; 28 percent clay; 1 percent brown (10YR 5/3) medium distinct irregular mottles; weak coarse prismatic structure; hard, extremely firm; 0.5 coarse moderate-continuity tubular pores; 10 percent distinct gray (2.5Y 5/1), moist, organoargillans on vertical faces of peds; 5 percent fine distinct irregular noncoherent cemented gray (2.5Y 5/1), moist, iron depletions with diffuse boundaries in matrix and 15 percent fine faint irregular noncoherent cemented brown (7.5YR 4/4), moist, masses of oxidized iron with clear boundaries in cracks and 25 percent medium distinct irregular noncoherent cemented yellowish brown (10YR 5/6), moist, iron-manganese masses with clear boundaries in matrix; 5 percent fine distinct irregular noncoherent cemented light gray (10YR 7/2), moist, carbonate, finely disseminated with clear boundaries infused into matrix along faces of peds; 1 percent by volume nonflat subrounded indurated 2-20-76 millimeter granite fragments and 1 percent by volume flat subangular indurated 2-20-76 millimeter shale, calcareous fragments and 3 percent by volume nonflat subrounded indurated 2-10-76 millimeter dolomite (dolostone) fragments; violent effervescence, by hcl, 1n; clear smooth boundary. Lab sample # 08N01515; dry when described; observed in pit, small. discontinuous - phpvsfiid 405355; discontinuous - phpvsfiid 405355
    2Cd—165 to 203 centimeters (65.0 to 79.9 inches); 85 percent olive brown (2.5Y 4/4) broken face and 15 percent gray (2.5Y 5/1) broken face clay loam; 28 percent clay; 1 percent brown (10YR 5/3) medium faint irregular mottles; structureless massive; very hard, extremely firm; 10 percent faint gray (2.5Y 5/1), moist, organoargillans on vertical faces of peds; 25 percent medium distinct irregular noncoherent cemented yellowish brown (10YR 5/6), moist, iron-manganese masses with clear boundaries in matrix; 3 percent fine prominent irregular noncoherent cemented light gray (10YR 7/2), moist, carbonate, finely disseminated with clear boundaries in cracks; 1 percent by volume nonflat subrounded indurated 2-5-76 millimeter dolomite (dolostone) fragments and 1 percent by volume flat subangular indurated 2-5-76 millimeter shale, calcareous fragments and 1 percent by volume nonflat subrounded indurated 2-20-76 millimeter granite fragments; violent effervescence, by hcl, 1n. Lab sample # 08N01516; dry when described; observed in pit, small. discontinuous - phpvsfiid 405354; discontinuous - phpvsfiid 405354