IDENTIFIERS

  • Current Taxon Name (Soil Name): roark
  • OSD
  • Series Extent
  • User Site ID: ok055-RakA-roark-3
  • User Pedon ID: s2001ok-055-005 roark
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - KSSL
  • Lab Pedon # - 01N1047
  • NCSS Pedon Lab Data NASIS Record ID - 14379
  • Print Date: 12/11/2024

    • 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: 34.9152336
  • Std. Longitude: -99.3811646
  • Datum: WGS84
  • Township: 5N
  • Range: 21W
  • Section: 11
  • PLSS Details: 350 feet north and 900 feet west of southeast corner
  • Location Description: From the intersection of Highways 6 and 9 in Granite; Go 2 miles South.
  • Map Unit: RakA—Roark loam, 0 to 1 percent slopes
  • Country: US—United States
  • State: Oklahoma
  • County: OK055—Greer
  • MLRA: 78C—Central Rolling Red Plains, Eastern Part
  • Regional Office: SC—South Central
  • Non-MLRA Soil Survey Area: OK055—Greer County, Oklahoma
  • 7.5 Minute USGS Quad: 34099-H4—Granite, Oklahoma

    • PEDON

  • Describers Name: RJM, CDS, RFG, SDA, GFS, SCH, CRC, DDR, CLN
  • Current Taxonomic Class: Fine, mixed, superactive, thermic Pachic Argiustolls
  • Current Taxon Kind: series
  • Pedon Type: representative pedon for component
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - roark
  • Classificaton Date - 9/10/2004
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - ustic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - roark
  • Classificaton Date - 6/27/2001
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loamy alluvium
  • Landscape: upland
  • Landform: terrace
  • Geomorphic Component Terraces: tread
  • Runoff: low
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/27/2001 (actual site observation date)
  • Air Photo ID: I7
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - close-grown crop
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • 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

    —

    —

    472

    —

    180

    635

    —

    210

    16.1

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Apd—0 to 20 centimeters (0.0 to 7.9 inches); brown (7.5YR 4/3) crushed, dark brown (7.5YR 3/2) crushed, moist; loam; moderate medium subangular blocky parts to weak fine granular structure; very hard, firm; 3.0 fine roots throughout; 3.0 very fine pores; fragments; noneffervescent, by hcl, 1n; slightly acid, pH 6.3, hellige-truog; abrupt smooth boundary.; observed in pit, small
    BAd—20 to 40 centimeters (7.9 to 15.7 inches); brown (7.5YR 4/3) crushed, dark brown (7.5YR 3/2) crushed, moist; loam; moderate coarse platy parts to strong medium subangular blocky structure; very hard, firm; 3.0 fine roots throughout; 3.0 very fine and 0.5 fine pores; fragments; noneffervescent, by hcl, 1n; slightly alkaline, pH 7.5, hellige-truog; abrupt smooth boundary.; observed in pit, small
    Bt1—40 to 68 centimeters (15.7 to 26.8 inches); very dark gray (7.5YR 3/1) interior, black (7.5YR 2.5/1) interior, moist; clay loam; moderate medium prismatic parts to strong medium subangular blocky, and strong fine subangular blocky structure; very hard, very firm; 0.5 very fine roots throughout and 0.5 fine roots throughout; 3.0 very fine and 0.5 fine pores; 60 percent distinct clay films on all faces of peds; 1 percent fine carbonate concretions; fragments; noneffervescent, by hcl, 1n; slightly alkaline, pH 7.6, hellige-truog; clear wavy boundary.; observed in pit, small
    Bt2—68 to 100 centimeters (26.8 to 39.4 inches); dark brown (7.5YR 3/2) interior, black (7.5YR 2.5/1) interior, moist; clay; moderate medium prismatic parts to strong medium subangular blocky, and strong fine subangular blocky structure; very hard, very firm; 0.5 very fine roots throughout and 0.5 fine roots throughout; 3.0 very fine and 3.0 fine pores; 60 percent distinct clay films on all faces of peds; 1 percent fine carbonate concretions; fragments; noneffervescent, by hcl, 1n; moderately alkaline, pH 8.0, hellige-truog; gradual wavy boundary.; observed in pit, small
    Btk1—100 to 144 centimeters (39.4 to 56.7 inches); dark gray (10YR 4/1) interior, very dark gray (10YR 3/1) interior, moist; clay; weak medium prismatic parts to moderate fine subangular blocky structure; very hard, firm; 0.1 very fine roots throughout and 0.1 fine roots throughout; 3.0 very fine and 0.5 fine pores; 30 percent carbonate coats on all faces of peds and 40 percent distinct clay films on all faces of peds; 2 percent fine carbonate concretions; fragments; slight effervescence, by hcl, 1n; moderately alkaline, pH 8.0, hellige-truog; gradual smooth boundary.; observed in pit, small
    Btk2—144 to 188 centimeters (56.7 to 74.0 inches); dark grayish brown (10YR 4/2) interior, very dark grayish brown (10YR 3/2) interior, moist; clay loam; 1 percent light olive brown (2.5Y 5/6) prominent and 1 percent olive yellow (2.5Y 6/6) prominent and 1 percent yellow (2.5Y 7/6) prominent mottles; weak medium prismatic parts to moderate very fine subangular blocky, and moderate fine subangular blocky structure; very hard, firm; 1.0 very fine and 5.0 fine pores; 10 percent carbonate coats on all faces of peds and 40 percent distinct clay films on all faces of peds; 5 percent fine carbonate concretions; fragments; very slight effervescence, by hcl, 1n; moderately alkaline, pH 8.0, hellige-truog; clear smooth boundary.; observed in pit, small
    2Btkg—188 to 227 centimeters (74.0 to 89.4 inches); gray (2.5Y 6/1) interior, gray (2.5Y 5/1) interior, moist; clay loam; 1 percent light olive brown (2.5Y 5/6) medium prominent and 1 percent olive yellow (2.5Y 6/6) prominent and 2 percent yellow (2.5Y 7/6) prominent mottles; weak medium prismatic parts to moderate very fine subangular blocky, and moderate fine subangular blocky structure; very hard, firm; 1.0 very fine and 1.0 fine pores; 5 percent carbonate coats on all faces of peds and 30 percent faint clay films on all faces of peds; 5 percent fine carbonate concretions; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0, hellige-truog; gradual smooth boundary.; observed in pit, small
    2Btg—227 to 252 centimeters (89.4 to 99.2 inches); light gray (2.5Y 7/2) interior, light brownish gray (2.5Y 6/2) interior, moist; clay loam; 2 percent light olive brown (2.5Y 5/6) prominent and 2 percent olive yellow (2.5Y 6/6) prominent and 2 percent yellow (2.5Y 7/6) prominent mottles; moderate medium prismatic parts to strong very fine angular blocky structure; hard, firm; 1.0 very fine pores; 10 percent carbonate coats on all faces of peds and 30 percent faint clay films on all faces of peds; 1 percent fine carbonate concretions; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0, hellige-truog; clear smooth boundary.; observed in pit, small
    2Cg1—252 to 295 centimeters (99.2 to 116.1 inches); stratified stratified sandy loam to clay loam; fragments.; observed in auger, bucket
    2Cg2—295 to 345 centimeters (116.1 to 135.8 inches); sandy loam; fragments.; observed in auger, bucket
    3C—345 to 410 centimeters (135.8 to 161.4 inches); sand; fragments.; observed in auger, bucket