IDENTIFIERS

  • Current Taxon Name (Soil Name): Pharoah
  • OSD
  • Series Extent
  • User Site ID: S2012OK147001
  • User Pedon ID: S2012OK147001
  • User Site Association ID: MLRA 112 - Natric Project
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 13N0448
  • NCSS Pedon Lab Data NASIS Record ID - 70309
  • Print Date: 11/24/2024

    • 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: 36.9923722
  • Std. Longitude: -95.8247556
  • Datum: WGS84
  • Location Description: S 18, T 29N, R 14E
  • Map Unit: DwA—Pharoah-Parsons complex, 0 to 1 percent slopes
  • State: Oklahoma
  • County: OK147—Washington
  • MLRA: 112—Cherokee Prairies
  • Non-MLRA Soil Survey Area: OK147—Washington County, Oklahoma
  • 7.5 Minute USGS Quad: 36095-H7—Wann, Oklahoma

    • PEDON

  • Describers Name: G. Campbell, JR Perkins
  • Current Taxonomic Class: Fine, mixed, active, thermic Mollic Albaqualfs
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, brief description
  • 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 - 21 to 71 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: paleoterrace
  • Hill Slope Profile: summit
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: somewhat poorly
  • Geology: Kansas City Group formation of the Pennsylvanian group.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/9/2012 (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

    slickensides

    0—43

    21—173

    43—219

    43—219

    43—219

    43—113

    —-

    —-

    —-

    —-

    —-

    —-
    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

    0.5

    —

    —

    249.9

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 21 centimeters (0.0 to 8.3 inches); very dark gray (10YR 3/1) silt loam; moderate medium granular structure; friable; common (3.0) fine roots throughout; many (10.0) fine interstitial pores; fragments; clear smooth boundary. Lab sample # 13N01887
    Bt—21 to 43 centimeters (8.3 to 16.9 inches); very dark gray (10YR 3/1) silty clay; moderate medium prismatic parts to strong 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; clear smooth boundary.
    Btg1—43 to 68 centimeters (16.9 to 26.8 inches); dark gray (10YR 4/1) silty clay; moderate medium prismatic parts to strong medium subangular blocky structure; very firm; few (0.5) very fine roots throughout; common (3.0) fine tubular pores; 5 percent slickensides (pedogenic) on top faces of peds and 30 percent distinct very dark grayish brown (10YR 3/2) clay films on vertical faces of peds; 1 percent fine prominent dark yellowish brown (10YR 4/4) masses of oxidized iron; 5 percent fine gypsum crystals, unspecified; fragments; clear smooth boundary.
    2Btg2—68 to 93 centimeters (26.8 to 36.6 inches); 60 percent dark gray (10YR 4/1) silty clay; moderate coarse prismatic parts to moderate medium subangular blocky structure; very firm; few (0.5) very fine roots throughout; common (3.0) fine tubular pores; 5 percent slickensides (pedogenic) on top faces of peds and 30 percent distinct gray (10YR 5/1) clay films on vertical faces of peds; 1 percent fine black (10YR 2/1) iron-manganese masses and 10 percent medium prominent yellowish brown (10YR 5/4) masses of oxidized iron; 5 percent fine gypsum crystals, unspecified throughout; fragments; gradual smooth boundary.
    2Btg3—93 to 113 centimeters (36.6 to 44.5 inches); 60 percent dark gray (2.5Y 4/1) silty clay; weak coarse prismatic parts to moderate medium subangular blocky structure; very firm; few (0.5) very fine roots throughout; common (3.0) fine tubular pores; 5 percent slickensides (pedogenic) on top faces of peds and 30 percent distinct dark gray (10YR 4/1) clay films on vertical faces of peds; 5 percent medium black (10YR 2/1) iron-manganese concretions and 25 percent medium prominent yellowish brown (10YR 5/6) masses of oxidized iron; 10 percent fine gypsum crystal clusters throughout; fragments; gradual smooth boundary.
    2Btg4—113 to 148 centimeters (44.5 to 58.3 inches); 60 percent gray (2.5Y 5/1) and 40 percent gray (2.5Y 6/1) silty clay; weak coarse prismatic parts to weak medium subangular blocky structure; very firm; few (0.5) fine tubular pores; 15 percent distinct dark gray (10YR 4/1) clay films on vertical faces of peds; 20 percent medium black (10YR 2/1) iron-manganese concretions and 25 percent coarse prominent yellowish brown (10YR 5/6) masses of oxidized iron; 10 percent fine light gray (10YR 7/1) gypsum masses throughout; fragments; gradual smooth boundary.
    2Btg5—148 to 173 centimeters (58.3 to 68.1 inches); gray (2.5Y 6/1) silty clay; weak coarse prismatic parts to weak medium subangular blocky structure; very firm; few (0.5) fine tubular pores; 15 percent distinct dark gray (10YR 4/1) clay films on vertical faces of peds; 20 percent medium black (10YR 2/1) iron-manganese concretions and 25 percent medium prominent yellowish brown (10YR 5/6) masses of oxidized iron; 5 percent fine light gray (10YR 7/1) gypsum masses throughout; fragments; gradual smooth boundary.
    2BCg—173 to 219 centimeters (68.1 to 86.2 inches); 70 percent gray (2.5Y 6/1) and 30 percent grayish brown (2.5Y 5/2) silty clay; massive; very firm; few (0.5) fine tubular pores; 20 percent medium black (10YR 2/1) iron-manganese concretions and 25 percent coarse prominent yellowish brown (10YR 5/6) masses of oxidized iron; 10 percent fine light gray (10YR 7/1) gypsum masses throughout; fragments.