IDENTIFIERS

  • Current Taxon Name (Soil Name): Bigheart
  • OSD
  • Series Extent
  • User Site ID: S2008-OK037-04
  • User Pedon ID: S2008-OK037-04
  • Vegetation Plot ID: S2008-OK037-04
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - KSSL
  • Lab Pedon # - 08N0536
  • NCSS Pedon Lab Data NASIS Record ID - 20084
  • Print Date: 6/2/2024
  • 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: 35.8469696
  • Std. Longitude: -96.5954895
  • Datum: WGS84
  • Map Unit: NBRE—Niotaze-Bigheart-Rock outcrop complex, 3 to 15 percent slopes, very stony
  • Country: US—United States
  • State: Oklahoma
  • County: OK037—Creek
  • MLRA: 84A—North Cross Timbers
  • Regional Office: SC—South Central
  • MLRA Soil Survey Area: SC-STW—Stillwater, Oklahoma
  • 7.5 Minute USGS Quad: 35096-G5—Depew, Oklahoma
  • PEDON

  • Describers Name: Jeremy Dennis
  • Current Taxonomic Class: Sandy, siliceous, active, thermic Lithic Eutrudepts
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon #: 4
  • Correlated Information:
  • Soil Name - Bigheart
  • PSC - 0 to 38 cm.
  • Classificaton Date - 5/31/2016
  • Classifier - Jerry Weinheimer
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Bigheart
  • Classificaton Date - 4/17/2008
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: not certified
  • QC Status: level 1
  • QA Status: level 1


  • SITE

  • Parent Material: residuum weathered from sandstone
  • Landscape: hills
  • Landform: hillslope
  • Hill Slope Profile: shoulder
  • Slope Position: middle third
  • Slope Complexity: simple
  • Slope Shape Across: concave
  • Slope Shape Down: concave
  • Runoff: high
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: very strongly coherent sandstone, unspecified at 51cm
  • Geology: Ada Formaion formation.
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/17/2008 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, savanna
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    COCA5

    PLANT

    QUMA3

    QUST

    SCSC

    Conyza canadensis

    Plantago

    Quercus marilandica

    Quercus stellata

    Schizachyrium scoparium

    Canadian horseweed

    plantain

    blackjack oak

    post oak

    little bluestem

    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, paralithic

    bedrock, lithic

    moderately coherent

    very strongly coherent

    38 - 51

    51 - 76

    - 13 -

    - 25 -

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

    ochric epipedon

    paralithic contact

    lithic contact

    0—18

    38—51

    51—76

    —18—

    —13—

    —25—

    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

    8

    288

    A—0 to 18 centimeters (0.0 to 7.1 inches); dark brown (7.5YR 3/3) loamy fine sand; 84 percent sand; 13 percent silt; 4 percent clay; weak very fine subangular blocky structure; soft, very friable; 1.0 medium roots throughout and 6.0 fine roots throughout and 0.4 coarse roots throughout; fragments; strongly acid, pH 5.5, hellige-truog; clear wavy boundary.; moist when described;
    Bw—18 to 38 centimeters (7.1 to 15.0 inches); brown (7.5YR 5/4) sand; 91 percent sand; 7 percent silt; 3 percent clay; weak fine subangular blocky structure; soft, very friable; 1.0 very fine roots throughout and 2.0 fine roots throughout; fragments; moderately acid, pH 6.0, hellige-truog; abrupt irregular boundary.; moist when described;
    Cr—38 to 51 centimeters (15.0 to 20.1 inches); brownish yellow (10YR 6/6) bedrock; fragments; moderately acid, pH 6.0, hellige-truog; abrupt wavy boundary.; moist when described;
    R—51 to 76 centimeters (20.1 to 29.9 inches); brownish yellow (10YR 6/6) bedrock; fragments.