IDENTIFIERS

  • Current Taxon Name (Soil Name): La Palma
  • OSD
  • Series Extent
  • User Site ID: S1971AZ013010
  • User Pedon ID: S1971AZ013010
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 71C0022
  • NCSS Pedon Lab Data NASIS Record ID - 43881
  • Print Date: 12/17/2024

    • 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: 33.5480537
  • Std. Longitude: -112.3358307
  • Datum: WGS84
  • Township: 2N
  • Range: 1W
  • Section: 2
  • PLSS Details: 1600 feet east and 1100 feet south of the NW corner
  • State: Arizona
  • County: AZ013—Maricopa

    • PEDON

  • Describers Name: W. Nettleton, J. Jay, G. Hartman, R. Schurig, F. Cook.
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 10
  • Sampled As Information:
  • Soil Name - La Palma
  • Taxonomic Class - Coarse-silty, mixed Petrocalcic Paleargids
  • PSC - 12 to 46 cm.
  • Classificaton Date - 4/14/1971
  • Moisture Class - aridic (torric)
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: valley
  • Runoff: low
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/14/1971 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - other tree cover
  • 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

    1

    —

    —

    366

    —

    178

    —

    —

    21.1

    —

    —

    —

    —

    —

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    —

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    A11—0 to 4 centimeters (0.0 to 1.6 inches); light brown (7.5YR 6/4), brown (7.5YR 5/4), moist; very fine sandy loam; weak thin platy structure; slightly hard, very friable, nonsticky, slightly plastic; 3.0 very fine and fine roots; 3.0 fine tubular pores; fragments; strong effervescence; moderately alkaline, pH 8.2, thymol-blue; abrupt smooth boundary. Lab sample # 71C00135; dry when described;
    A12—4 to 12 centimeters (1.6 to 4.7 inches); light yellowish brown (10YR 6/4), brown (7.5YR 4/4), moist; very fine sandy loam; weak thin platy structure; slightly hard, very friable, slightly sticky, slightly plastic; 3.0 very fine and fine roots; 3.0 fine tubular pores; fragments; strong effervescence; moderately alkaline, pH 8.3, thymol-blue; clear smooth boundary. Lab sample # 71C00136; dry when described;
    B1T—12 to 19 centimeters (4.7 to 7.5 inches); light brown (7.5YR 6/4), brown (7.5YR 4/4), moist; very fine sandy loam; weak medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 3.0 very fine and fine roots; 3.0 very fine and fine tubular pores; 3 percent fine and medium irregular noncoherent cemented pinkish white (7.5YR 8/2) lime masses; fragments; strong effervescence; very strongly alkaline, pH 9.6, thymol-blue; abrupt smooth boundary. Lab sample # 71C00137; dry when described;
    B2TCA—19 to 29 centimeters (7.5 to 11.4 inches); yellowish red (5YR 5/6) and brown (7.5YR 5/4), brown (7.5YR 4/4), moist; clay loam; weak medium subangular blocky structure; hard when dry, friable, slightly sticky, moderately plastic; 3.0 very fine and fine roots; 3.0 fine tubular pores; 2 percent fine pinkish white (7.5YR 8/2) durinodes and 3 percent fine and medium irregular noncoherent cemented pinkish white (7.5YR 8/2) lime masses; fragments; strong effervescence; very strongly alkaline, pH 9.4, thymol-blue; clear smooth boundary. Lab sample # 71C00138; dry when described;
    B3TCA—29 to 46 centimeters (11.4 to 18.1 inches); light brown (7.5YR 6/4), brown (7.5YR 5/4) and pink (7.5YR 7/4), moist; loam; massive; slightly hard, friable, slightly sticky, slightly plastic; 0.5 fine roots; 3.0 fine tubular pores; 3 percent fine and medium irregular noncoherent cemented pinkish white (7.5YR 8/2) lime masses; fragments; strong effervescence; gradual smooth boundary. Lab sample # 71C00139; dry when described;
    C1CA—46 to 68 centimeters (18.1 to 26.8 inches); light brown (7.5YR 6/4), brown (7.5YR 5/4) and pink (7.5YR 7/4), moist; loam; 21 percent pinkish white (7.5YR 8/2) mottles; massive; slightly hard, friable, strongly coherent, slightly sticky, slightly plastic; 0.5 fine roots; 3.0 fine tubular pores; fragments; violent effervescence; very strongly alkaline, pH 9.6, thymol-blue; abrupt wavy boundary. Lab sample # 71C00140; dry when described;
    C2CAM—68 to 73 centimeters (26.8 to 28.7 inches); pinkish white (7.5YR 8/2), pinkish gray (7.5YR 7/2), moist; extremely hard, indurated by silica; fragments; violent effervescence; very strongly alkaline, pH 9.6, thymol-blue. Lab sample # 71C00141; dry when described;