IDENTIFIERS

  • Current Taxon Name (Soil Name): Ajo
  • OSD
  • Series Extent
  • User Site ID: S1986AZ019007
  • User Pedon ID: 86AZ019007
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 86P0565
  • NCSS Pedon Lab Data NASIS Record ID - 58370
  • Print Date: 11/23/2024

    • 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: 32.5888901
  • Std. Longitude: -111.8877792
  • Datum: WGS84
  • Township: 10S
  • Range: 5E
  • Section: 6
  • PLSS Details: 2300 feet E and 1860 feet S of NW corner
  • State: Arizona
  • County: AZ021—Pinal
  • Non-MLRA Soil Survey Area: AZ703—Tohono O'Odham Nation, Arizona, Parts of Maricopa, Pima and Pinal Counties

    • PEDON

  • Current Taxonomic Class: Loamy-skeletal, mixed, superactive, hyperthermic Petrocalcic Paleargids
  • Current Taxon Kind: taxadjunct
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 7
  • Correlated Information:
  • Soil Name - Ajo
  • PSC - 20 to 70 cm.
  • Classificaton Date - 7/11/2007
  • Moisture Class - aridic (torric)
  • Sampled As Information:
  • Soil Name - Ajo
  • Taxonomic Class - Loamy-skeletal, mixed, hyperthermic Petrocalcic Pa
  • Taxon Kind - series
  • Classificaton Date - 4/1/1986
  • Moisture Class - aridic (torric)
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: alluvial fan
  • Slope Shape Down: convex
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/1/1986 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • 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

    —

    —

    496

    —

    0

    —

    —

    —

    —

    —

    —

    —

    —

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    1A—0 to 5 centimeters (0.0 to 2.0 inches); brown (7.5YR 4/4) interior, light brown (7.5YR 6/4) interior, dry; gravelly clay loam; weak medium subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; 2.5 fine roots; 5.5 fine vesicular pores; fragments; slightly alkaline, pH 7.6, hellige-truog; abrupt wavy boundary. Lab sample # 86P03273. 30% gravel.; common fine roots
    1Bt1—5 to 20 centimeters (2.0 to 7.9 inches); yellowish red (5YR 4/6) interior, yellowish red (5YR 5/6) interior, dry; extremely gravelly sandy clay loam; moderate fine subangular blocky structure; soft, very friable, moderately sticky, moderately plastic; 2.5 fine roots; 0.5 fine tubular pores; 15 percent faint clay films on faces of peds; fragments; slight effervescence, by hcl, 1n; slightly alkaline, pH 7.8, hellige-truog; clear wavy boundary. Lab sample # 86P03274. 70% gravel.; few clay films surface features on faces of peds; common fine roots
    1Bt2—20 to 43 centimeters (7.9 to 16.9 inches); dark red (2.5YR 3/6) interior, reddish brown (2.5YR 4/4) interior, dry; very gravelly clay loam; moderate very fine subangular blocky structure; soft, very friable, moderately sticky, moderately plastic; 0.5 fine roots; 0.5 fine tubular pores; 15 percent distinct clay films on faces of peds and in pores; 15 percent by volume 75-162-250 millimeter mixed fragments; slight effervescence, by hcl, 1n; moderately alkaline, pH 8.0, hellige-truog; clear wavy boundary. Lab sample # 86P03275. Common thick lime accumulations in root channels andd pores; common manganese accumulations.; few clay films surface features on faces of peds and in pores; few fine roots
    1Btk1—43 to 64 centimeters (16.9 to 25.2 inches); dark red (2.5YR 3/6) interior, red (2.5YR 4/6) interior, dry; cobbly clay loam; moderate very fine subangular blocky structure; soft, friable, moderately sticky, moderately plastic; 0.5 very fine roots; 0.5 fine tubular pores; 15 percent distinct clay films on faces of peds and in pores; 5 percent by volume 75-162-250 millimeter mixed fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0, hellige-truog; clear wavy boundary. Lab sample # 86P03276. Common thick lime accumulations in root channels and pores; 30% gravel, some gypsum crystals on gravel.; few clay films surface features on faces of peds and in pores; few very fine roots
    1Btk2—64 to 76 centimeters (25.2 to 29.9 inches); reddish brown (5YR 4/4) interior, reddish brown (5YR 5/4) interior, dry; extremely gravelly clay loam; moderate very fine subangular blocky structure; very hard, firm, very sticky, moderately plastic; 0.5 fine roots; 0.5 fine tubular pores; 15 percent distinct clay films on faces of peds and in pores; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0, hellige-truog; abrupt wavy boundary. Lab sample # 86P03277. 75% gravel; common thick lime accumulations in root channels and pores.; few clay films surface features on faces of peds and in pores; few fine roots
    1Bkm—76 to 89 centimeters (29.9 to 35.0 inches); fragments. Lab sample # 86P03278. Lime cemented hardpan.