IDENTIFIERS

  • Current Taxon Name (Soil Name): Bigheart
  • OSD
  • Series Extent
  • User Site ID: S2008OK037001
  • User Pedon ID: BSPSA-2008-OK037-01
  • Vegetation Plot ID: BSPSA-2008-OK037-01
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - KSSL
  • Lab Pedon # - 08N0532
  • NCSS Pedon Lab Data NASIS Record ID - 20080
  • Print Date: 4/27/2025

    • 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: 36.0317307
  • Std. Longitude: -96.4289246
  • Datum: WGS84
  • Township: 18N
  • Range: 8E
  • Section: 23
  • PLSS Details: about 1895 feet W and 185 feet S of the NE corner
  • Location Description: Creek County, Oklahoma Location verified in 2015 using Web Soil Survey this pedon is in Published mapunit NBRE.
  • 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: 36096-A4—Olive, Oklahoma

    • PEDON

  • Describers Name: Jeremy Dennis
  • Current Taxonomic Class: Loamy, siliceous, active, thermic Lithic Eutrudepts
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: research site
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Bigheart
  • PSC - 0 to 30 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 - 1/30/2008
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: 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: upper third
  • Slope Complexity: complex
  • Slope Shape Across: concave
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: strongly coherent slight weathered sandstone, unspecified at 30cm with <10
  • Geology: Vamoosa Formation formation.
  • Surface Fragments: 3.00 percent 250- to 600-millimeter sandstone, unspecified,
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/30/2008 (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

    AMBRO

    ANVI2

    QUMA3

    QUST

    SCSC

    SONU2

    Ambrosia

    Andropogon virginicus

    Quercus marilandica

    Quercus stellata

    Schizachyrium scoparium

    Sorghastrum nutans

    ragweed

    broomsedge bluestem

    blackjack oak

    post oak

    little bluestem

    Indiangrass

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

    bedrock, paralithic

    bedrock, lithic

    moderately coherent

    very strongly coherent

    30 - 35

    35 - 60

    - 5 -

    - 25 -

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

    ochric epipedon

    cambic horizon

    paralithic contact

    lithic contact

    0—10

    10—30

    30—35

    35—60

    —10—

    —30—

    —5—

    —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

    4

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    A—0 to 10 centimeters (0.0 to 3.9 inches); dark brown (10YR 3/3) very fine sandy loam; 59 percent sand; 32 percent silt; 9 percent clay; weak fine granular structure; , 2 percent by weight nonflat subrounded very strongly coherent cemented 2-10-75 millimeter sandstone, unspecified fragments observed by weighed method; slightly acid, pH 6.5, hellige-truog; gradual wavy boundary.; moist when described; observed in shovel slice
    Bw—10 to 30 centimeters (3.9 to 11.8 inches); yellowish brown (10YR 5/6) very fine sandy loam; 62 percent sand; 28 percent silt; 10 percent clay; weak fine subangular blocky structure; , 8 percent by weight nonflat subrounded very strongly coherent cemented 2-10-75 millimeter sandstone, unspecified fragments observed by weighed method; strongly acid, pH 5.5, hellige-truog; abrupt smooth boundary.; moist when described; observed in shovel slice. In the Stillwater Soil Survey lab, using the Hach Soil and water Analysis kit. BS%=59
    Cr—30 to 35 centimeters (11.8 to 13.8 inches); bedrock; fragments.
    R—35 to 60 centimeters (13.8 to 23.6 inches); bedrock; fragments.