IDENTIFIERS

  • Current Taxon Name (Soil Name): Pharoah
  • OSD
  • Series Extent
  • User Site ID: S2012OK035001
  • User Pedon ID: S2012OK035001
  • User Site Association ID: MLRA 112 - Natric Project
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 13N0439
  • NCSS Pedon Lab Data NASIS Record ID - 73187
  • Print Date: 5/20/2024
  • 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: 36.8586528
  • Std. Longitude: -95.1248333
  • Datum: WGS84
  • Location Description: S 1, T 27N, R 20E
  • Map Unit: Ca—Pharoah silt loam, 0 to 1 percent slopes
  • State: Oklahoma
  • County: OK035—Craig
  • MLRA: 112—Cherokee Prairies
  • Non-MLRA Soil Survey Area: OK035—Craig County, Oklahoma
  • 7.5 Minute USGS Quad: 36095-G1—Welch South, Oklahoma
  • PEDON

  • Describers Name: G. Campbell, JR Perkins
  • Current Taxonomic Class: Fine, mixed, active, thermic Mollic Albaqualfs
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - Pharoah
  • Taxonomic Class - Fine, mixed, superactive, thermic Vertic Argiaquolls
  • Taxon Kind - series
  • PSC - 18 to 68 cm.
  • Classificaton Date - 8/30/2012
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - udic
  • Moisture SUBClass - aquic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: clayey residuum weathered from shale
  • Landscape: plains
  • Landform: hillslope
  • Hill Slope Profile: footslope
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: somewhat poorly
  • Geology: Cherokee Group formation of the Pennsylvanian group.
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/10/2012 (actual site observation date)
  • Data Collector: G. Campbell, JR Perkins
  • 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 Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    argillic horizon

    redox concentrations

    reduced matrix

    gypsum accumulations

    0—64

    18—138

    48—175

    64—175

    64—175

    —-

    —-

    —-

    —-

    —-

    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

    2

    243.8

    220

    Ap—0 to 18 centimeters (0.0 to 7.1 inches); very dark grayish brown (10YR 3/2) silt loam; moderate medium platy, and weak fine subangular blocky structure; friable; common (3.0) fine roots throughout; many (10.0) fine interstitial pores; fragments; clear smooth boundary. Lab sample # 13N01823
    Bt1—18 to 48 centimeters (7.1 to 18.9 inches); very dark gray (10YR 3/1) silty clay; moderate medium prismatic parts to moderate medium subangular blocky structure; very firm; common (3.0) fine roots throughout; common (3.0) fine tubular pores; 30 percent distinct clay films on vertical faces of peds; fragments; gradual wavy boundary. Lab sample # 13N01824
    Bt2—48 to 64 centimeters (18.9 to 25.2 inches); very dark grayish brown (10YR 3/2) silty clay; moderate coarse prismatic parts to moderate medium subangular blocky structure; very firm; common (3.0) very fine roots throughout; common (3.0) fine tubular pores; 30 percent distinct very dark grayish brown (10YR 3/2) clay films on vertical faces of peds; 10 percent fine prominent yellowish brown (10YR 5/4) masses of oxidized iron; fragments; clear smooth boundary. Lab sample # 13N01825
    Btg1—64 to 82 centimeters (25.2 to 32.3 inches); dark grayish brown (2.5Y 4/2) silty clay; moderate coarse prismatic parts to moderate medium subangular blocky structure; very firm; common (2.0) very fine roots throughout; common (3.0) fine tubular pores; 30 percent distinct gray (10YR 5/1) clay films on vertical faces of peds; 25 percent fine prominent yellowish brown (10YR 5/6) masses of oxidized iron; 10 percent fine gypsum crystals, unspecified throughout; fragments; gradual smooth boundary.
    Btg2—82 to 111 centimeters (32.3 to 43.7 inches); 60 percent dark grayish brown (2.5Y 4/2) silty clay; moderate medium prismatic parts to moderate medium subangular blocky structure; very firm; few (0.5) very fine roots throughout; few (0.5) fine tubular pores; 30 percent distinct dark gray (10YR 4/1) clay films on vertical faces of peds; 25 percent medium prominent strong brown (7.5YR 5/6) masses of oxidized iron; 5 percent fine gypsum crystals, unspecified throughout; fragments; gradual smooth boundary.
    Btg3—111 to 138 centimeters (43.7 to 54.3 inches); silty clay; weak medium prismatic parts to weak medium subangular blocky structure; very firm; few (0.5) very fine roots throughout; few (0.5) fine tubular pores; 30 percent distinct dark gray (10YR 4/1) clay films on vertical faces of peds; 5 percent fine black (10YR 2/1) iron-manganese masses and 25 percent coarse prominent yellowish brown (10YR 5/6) masses of oxidized iron; 2 percent fine gypsum crystals, unspecified throughout; fragments; gradual smooth boundary.
    BCg—138 to 175 centimeters (54.3 to 68.9 inches); 60 percent gray (10YR 6/1) and 40 percent gray (10YR 5/1) silty clay loam; weak medium subangular blocky parts to weak medium subangular blocky structure; very firm; few (0.5) fine tubular pores; 1 percent fine black (10YR 2/1) iron-manganese concretions and 15 percent coarse prominent yellowish brown (10YR 5/6) masses of oxidized iron; fragments. Lab sample # 13N01829