IDENTIFIERS

  • Current Taxon Name (Soil Name): Bigheart
  • OSD
  • Series Extent
  • User Site ID: S2002OK113009
  • User Pedon ID: S2002OK113009
  • Vegetation Plot ID: S02-OK113-1
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - KSSL
  • Lab Pedon # - 03N0231
  • NCSS Pedon Lab Data NASIS Record ID - 14987
  • Print Date: 11/11/2024

    • 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: 36.8499489
  • Std. Longitude: -96.4170914
  • Datum: WGS84
  • Township: 27 N
  • Range: 8 E
  • Section: 2
  • Location Description: 2,050 feet east and 1,300 feet south of the NW corner
  • Map Unit: BNRD—Bigheart-Niotaze-Rock outcrop complex, 1 to 8 percent slopes
  • Country: US—United States
  • State: Oklahoma
  • County: OK113—Osage
  • MLRA: 84A—North Cross Timbers
  • Regional Office: SC—South Central
  • MLRA Soil Survey Area: SC-STW—Stillwater, Oklahoma
  • 7.5 Minute USGS Quad: 36096-G4—Pearsonia, Oklahoma

    • PEDON

  • Describers Name: G Scott, J 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 Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Bigheart
  • PSC - 0 to 36 cm.
  • Classificaton Date - 2/10/2016
  • Classifier - Jerry Weinheimer
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - udic
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Darnell
  • Taxonomic Class - Thermic Lithic Quartzipsamments
  • PSC - 0 to 36 cm.
  • Classificaton Date - 11/12/2002
  • Soil Taxonomic Edition - eighth edition
  • Moisture SUBClass - udic
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: residuum weathered from sandstone
  • Landscape: hills
  • Landform: hillslope
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: shoulder
  • Slope Position: middle third
  • Slope Complexity: complex
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: very low
  • Drainage Class: somewhat excessively
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: strongly coherent moderate weathered sandstone, unspecified at 48cm with 10 to <45
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/12/2002 (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
  • Current Weather - partly cloudy
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ANGE

    PAVI2

    QUMA3

    QUST

    SCSC

    SONU2

    Andropogon gerardii

    Panicum virgatum

    Quercus marilandica

    Quercus stellata

    Schizachyrium scoparium

    Sorghastrum nutans

    big bluestem

    switchgrass

    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

    weakly coherent

    strongly coherent

    36 - 48

    48 - 61

    - 12 -

    - 25 -

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

    ochric epipedon

    paralithic materials

    lithic contact

    0—10

    36—48

    48—73

    —10—

    —12—

    —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

    3

    —

    —

    —

    —

    260

    970

    —

    —

    15.2

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    —

    —

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    A—0 to 10 centimeters (0.0 to 3.9 inches); very dark grayish brown (10YR 3/2) crushed, dark grayish brown (10YR 4/2) crushed, dry; fine sandy loam; 75 percent sand; 18 percent silt; 8 percent clay; moderate medium granular structure; slightly hard, very friable; 6.0 very fine roots throughout and 3.0 medium roots throughout and 6.0 fine roots throughout and 3.0 coarse roots throughout; 7.0 very fine and 2.0 medium pores; 5 percent worm casts throughout; , 6 percent by weight nonflat subrounded strongly coherent cemented 2-10-75 millimeter sandstone, unspecified fragments observed by weighed method; moderately acid, pH 6.0, hellige-truog; clear wavy boundary. Lab sample # 03N01183; observed in trench
    Bw1—10 to 25 centimeters (3.9 to 9.8 inches); brown (7.5YR 4/3) interior, brown (7.5YR 5/3) interior, dry; loamy fine sand; 77 percent sand; 16 percent silt; 7 percent clay; moderate medium subangular blocky structure; slightly hard, very friable; 6.0 very fine roots throughout and 3.0 medium roots throughout and 6.0 fine roots throughout and 3.0 coarse roots throughout; 3.0 very fine and 3.0 fine pores; 5 percent worm casts throughout; , 2 percent by weight nonflat subrounded strongly coherent cemented 2-10-75 millimeter sandstone, unspecified fragments observed by weighed method; moderately acid, pH 6.0, hellige-truog; clear wavy boundary. Lab sample # 03N01184; observed in trench
    Bw2—25 to 36 centimeters (9.8 to 14.2 inches); brown (7.5YR 4/4) interior, brown (7.5YR 5/4) interior, dry; gravelly loamy fine sand; 82 percent sand; 11 percent silt; 7 percent clay; moderate medium subangular blocky structure; slightly hard, very friable; 4.0 very fine roots throughout and 3.0 medium roots throughout and 4.0 fine roots throughout and 0.5 coarse roots throughout; 1.0 fine pores; , 30 percent by weight nonflat subrounded strongly coherent cemented 2-10-75 millimeter sandstone, unspecified fragments observed by weighed method; moderately acid, pH 6.0, hellige-truog; abrupt wavy boundary. Lab sample # 03N01185; observed in trench
    Cr—36 to 48 centimeters (14.2 to 18.9 inches); strong brown (7.5YR 5/8) interior and red (2.5YR 4/8) exterior, reddish yellow (7.5YR 6/8) interior and red (2.5YR 5/8) exterior, dry; weathered bedrock; rigid, rigid, strongly coherent; 0.5 very fine roots around fragments and 0.5 medium roots around fragments and 4.0 fine roots around fragments; ; fragments; abrupt smooth boundary.; observed in trench
    R—48 to 73 centimeters (18.9 to 28.7 inches); brownish yellow (10YR 6/6) interior and red (2.5YR 4/8) exterior, yellow (10YR 7/6) interior and red (2.5YR 5/8) exterior, dry; bedrock; very rigid, very rigid, very strongly coherent; 0.5 very fine roots around fragments and 0.5 fine roots around fragments; fragments.; observed in trench