IDENTIFIERS

  • Current Taxon Name (Soil Name): Harqua
  • OSD
  • Series Extent
  • User Site ID: S1971AZ019004
  • User Pedon ID: S1971AZ019004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 71C0004
  • NCSS Pedon Lab Data NASIS Record ID - 13224
  • Print Date: 12/11/2024

    • LOCATION

  • Location Description: North of salt well. Go west on Puerto Blanco Road past International boundary and stake #22, 3/4 mile north and 1/10 mile west of boundary marker #170., Organ Pipe Cactus National Monument.
  • State: Arizona
  • County: AZ019—Pima
  • Non-MLRA Soil Survey Area: AZ648—Cabeza Prieta Area, Arizona, Parts of Pima and Yuma Counties

    • PEDON

  • Describers Name: Y. H. Havens, E. Chamberlin
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 4
  • Sampled As Information:
  • Soil Name - Harqua
  • Taxonomic Class - Clayey-skeletal, illitic Typic Natrargids
  • PSC - 8 to 43 cm.
  • Classificaton Date - 4/6/1971
  • Moisture Class - aridic (torric)
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Drainage Class: well
  • Surface Fragments: 80.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/6/1971 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • 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

    —

    —

    381

    —

    229

    —

    —

    20.6

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A2—0 to 4 centimeters (0.0 to 1.6 inches); light brown (7.5YR 6/4), brown (7.5YR 4/4), moist; very gravelly loam; weak thick platy structure; slightly hard, very friable, nonsticky, slightly plastic; 21.0 very fine and fine vesicular pores; 50 percent by volume 2-39-75 millimeter unspecified fragments; slight effervescence; strongly alkaline, pH 8.6, thymol-blue; abrupt wavy boundary. Lab sample # 71C00018; dry when described;
    A3—4 to 8 centimeters (1.6 to 3.1 inches); reddish brown (5YR 5/4), yellowish red (5YR 4/6), moist; gravelly loam; soft, very friable, slightly sticky, slightly plastic; 3.0 very fine interstitial pores; 40 percent by volume 2-39-75 millimeter unspecified fragments; strong effervescence; strongly alkaline, pH 8.5, thymol-blue; clear wavy boundary. Lab sample # 71C00019; dry when described;
    B21T—8 to 15 centimeters (3.1 to 5.9 inches); yellowish red (5YR 5/6), yellowish red (5YR 4/6), moist; gravelly clay loam; weak medium prismatic parts to weak fine subangular blocky structure; hard when dry, friable, slightly sticky, moderately plastic; 0.5 fine roots; 0.5 fine interstitial and tubular pores; 10 percent clay films on faces of peds and in pores; 35 percent by volume 2-39-75 millimeter unspecified fragments; strong effervescence; strongly alkaline, pH 8.6, thymol-blue; clear wavy boundary. Lab sample # 71C00020; dry when described;
    B22T—15 to 28 centimeters (5.9 to 11.0 inches); yellowish red (5YR 5/6), yellowish red (5YR 4/6), moist; gravelly clay loam; weak medium prismatic parts to weak fine subangular blocky structure; hard when dry, friable, moderately sticky, moderately plastic; 0.5 fine roots; 0.5 fine interstitial and tubular pores; 30 percent clay films on faces of peds and in pores; 35 percent by volume 2-39-75 millimeter unspecified fragments; strong effervescence; moderately alkaline, pH 8.3, thymol-blue; gradual wavy boundary. Lab sample # 71C00021; dry when described;
    B3TCA—28 to 43 centimeters (11.0 to 16.9 inches); pinkish white (5YR 8/2) and yellowish red (5YR 5/6), pink (5YR 7/3) and reddish brown (5YR 5/4), moist; gravelly loam; weak medium subangular blocky structure; hard when dry, friable, moderately sticky, moderately plastic; 0.5 fine tubular and 3.0 fine interstitial pores; 10 percent clay films on faces of peds; 50 percent by volume 2-39-75 millimeter unspecified fragments; violent effervescence; moderately alkaline, pH 8.3, thymol-blue; clear wavy boundary. Lab sample # 71C00022; dry when described;
    C1CA—43 to 55 centimeters (16.9 to 21.7 inches); pinkish white (7.5YR 8/2) and light brown (7.5YR 6/4), light brown (7.5YR 6/4) and brown (7.5YR 5/4), moist; very gravelly sandy loam; massive; hard when dry, friable, slightly sticky, slightly plastic; 21.0 very fine and fine interstitial pores; 60 percent by volume 2-39-75 millimeter unspecified fragments; violent effervescence; moderately alkaline, pH 8.3, thymol-blue; clear wavy boundary. Lab sample # 71C00023; dry when described;
    C2CA—55 to 74 centimeters (21.7 to 29.1 inches); pinkish white (7.5YR 8/2) and light brown (7.5YR 6/4), light brown (7.5YR 6/4) and brown (7.5YR 5/4), moist; very gravelly loam; massive; hard when dry, friable, slightly sticky, moderately plastic; 3.0 very fine and fine interstitial pores; 70 percent by volume 2-39-75 millimeter unspecified fragments; violent effervescence; moderately alkaline, pH 8.3, thymol-blue; clear wavy boundary. Lab sample # 71C00024; dry when described;
    C3CA—74 to 107 centimeters (29.1 to 42.1 inches); light brown (7.5YR 6/4), brown (7.5YR 4/4), moist; very gravelly sandy loam; massive; hard when dry, very friable, slightly sticky, slightly plastic; 21.0 fine interstitial pores; 65 percent by volume 2-39-75 millimeter unspecified fragments; violent effervescence; moderately alkaline, pH 8.3, thymol-blue. Lab sample # 71C00025; dry when described;