IDENTIFIERS

  • Current Taxon Name (Soil Name): Ironmound
  • OSD
  • Series Extent
  • User Site ID: 75-OK015-75-5
  • User Pedon ID: 75-OK015-75-5
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - OKSU
  • Lab Pedon # - 75-OK-75-5
  • NCSS Pedon Lab Data NASIS Record ID - 80025
  • Print Date: 11/26/2024

    • 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: 35.4493528
  • Std. Longitude: -98.5497583
  • Datum: WGS84
  • Township: 11N
  • Range: 13W
  • Section: 11
  • PLSS Details: about 950 feet east and 200 feet south of the northwest corner
  • Country: US—United States
  • State: Oklahoma
  • County: OK015—Caddo
  • MLRA: 80A—Central Rolling Red Prairies
  • Non-MLRA Soil Survey Area: OK015—Caddo County, Oklahoma
  • 7.5 Minute USGS Quad: 35098-D5—Eakly NE, Oklahoma

    • PEDON

  • Describers Name: Moffat, Frie, Kichler, Hayes, Peschel, Douthit
  • Current Taxonomic Class: Loamy, mixed, active, thermic Lithic Haplustepts
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Ironmound
  • PSC - 25 to 38 cm.
  • Classificaton Date - 5/9/2018
  • Classifier - Richard Gelnar
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - ustic
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Cordell
  • Taxonomic Class - Loamy, mixed, thermic Lithic Ustochrepts
  • Taxon Kind - series
  • PSC - 25 to 38 cm.
  • Classificaton Date - 8/22/1975
  • Moisture Class - ustic
  • Moisture SUBClass - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QA Status: level 1


    • SITE

  • Parent Material: loamy residuum weathered from calcareous siltstone
  • Landscape: dissected plains
  • Landform: hillslope
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: shoulder
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: well
  • Bedrock: strongly coherent siltstone, calcareous at 38cm
  • Geology: Rush Springs formation of the Whitehorse group.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/22/1975 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - pastureland, tame
  • 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

    bedrock, lithic

    strongly coherent

    38 - 64

    - 26 -

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

    ochric epipedon

    cambic horizon

    lithic contact

    0—18

    18—38

    38—64

    —18—

    —20—

    —26—
    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

    4

    —

    —

    519.7

    —

    170

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 18 centimeters (0.0 to 7.1 inches);, dark reddish brown (2.5YR 3/4), moist; silt loam; moderate fine granular, and moderate medium granular structure; slightly hard, friable; fragments; moderately alkaline, pH 8.3. Lab sample # 75OK7551
    Bw1—18 to 28 centimeters (7.1 to 11.0 inches);, dark reddish brown (2.5YR 3/4), moist; silty clay loam; moderate fine subangular blocky, and moderate medium subangular blocky structure; slightly hard, friable; fragments; moderately alkaline, pH 8.3. Lab sample # 75OK7552
    Bw2—28 to 38 centimeters (11.0 to 15.0 inches);, dark reddish brown (2.5YR 3/4), moist; silty clay loam; weak medium granular structure; hard, friable; fragments; moderately alkaline, pH 8.4. Lab sample # 75OK7553
    R—38 to 64 centimeters (15.0 to 25.2 inches);, dark red (2.5YR 3/6), moist; bedrock; massive; fragments; moderately alkaline, pH 8.4. Lab sample # 75OK7554