IDENTIFIERS

  • Current Taxon Name (Soil Name): Avalon
  • OSD
  • Series Extent
  • User Site ID: S1991UT013001
  • User Pedon ID: 91UT013001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 92P0107
  • NCSS Pedon Lab Data NASIS Record ID - 64346
  • Print Date: 11/21/2024
  • 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: 40.1011124
  • Std. Longitude: -110.0383301
  • Datum: WGS84
  • Township: 8S
  • Range: 17E
  • Section: 20
  • PLSS Details: 1800 feet N and 100 feet E of SW corner
  • Location Description: SW Pleasant Valley; John Price farm.
  • State: Utah
  • County: UT013—Duchesne
  • MLRA: 34—Central Desertic Basins, Mountains, and Plateaus
  • Non-MLRA Soil Survey Area: UT013—Duchesne Area, Utah, Parts of Duchesne, Utah, and Wasatch Counties
  • PEDON

  • Pedon Type: TUD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Sampled As Information:
  • Soil Name - Avalon
  • Taxonomic Class - Fine-loamy, mixed Typic Calciorthids
  • PSC - 25 to 100 cm.
  • Classificaton Date - 9/5/1991
  • Moisture Class - aridic (torric)
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landscape: upland
  • Landform: alluvial fan
  • Slope Shape Across: concave
  • Slope Shape Down: convex
  • Runoff: very low
  • Drainage Class: well
  • Flooding: none flooding
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/5/1991 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - row crop
  • 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

    ochric epipedon

    calcic horizon

    0—33

    33—142

    —-

    —-

    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

    1622

    45

    Ap—0 to 33 centimeters (0.0 to 13.0 inches); pale brown (10YR 6/3), dark yellowish brown (10YR 4/4), moist; loam; 27 percent clay; moderate very fine and fine subangular blocky structure; slightly hard, firm, moderately sticky, moderately plastic; 3.0 very fine roots and 0.5 fine and medium roots; 3.0 fine to coarse tubular pores; fragments; slight effervescence; moderately alkaline, pH 8.2, hellige-truog; abrupt smooth boundary. Lab sample # 92P00753. 92P0754. Split for sampling.
    Bk1—33 to 53 centimeters (13.0 to 20.9 inches); very pale brown (10YR 7/3), yellowish brown (10YR 5/4), moist; clay loam; 29 percent clay; moderate fine and medium subangular blocky structure; hard, firm, moderately sticky, moderately plastic; 0.5 very fine and fine roots and 0.5 medium roots; 3.0 very fine and fine tubular and 0.5 medium tubular pores; 3 percent medium and coarse irregular carbonate masses; fragments; violent effervescence; moderately alkaline, pH 8.4, hellige-truog; clear wavy boundary. Lab sample # 92P00755
    Bk2—53 to 66 centimeters (20.9 to 26.0 inches); very pale brown (10YR 7/3), light yellowish brown (10YR 6/4), moist; clay loam; 29 percent clay; hard, firm, moderately sticky, moderately plastic; 0.5 very fine and fine roots and 0.5 medium roots; 21.0 very fine tubular and 0.5 medium tubular and 3.0 fine tubular pores; fragments; violent effervescence; moderately alkaline, pH 8.4, hellige-truog; abrupt wavy boundary. Lab sample # 92P00756
    Bk3—66 to 84 centimeters (26.0 to 33.1 inches); very pale brown (10YR 8/3), light yellowish brown (10YR 6/4), moist; clay loam; 28 percent clay; hard, firm, moderately sticky, moderately plastic; 0.5 very fine and fine roots; 21.0 very fine tubular and 3.0 fine tubular pores; 7 percent by volume 2-39-75 millimeter unspecified fragments; violent effervescence; moderately alkaline, pH 8.4, hellige-truog; abrupt irregular boundary. Lab sample # 92P00757
    2Bk4—84 to 114 centimeters (33.1 to 44.9 inches); very pale brown (10YR 7/3), yellowish brown (10YR 5/4), moist; channery sandy clay loam; 25 percent clay; slightly hard, friable, slightly sticky, slightly plastic; 0.5 very fine and fine roots; 3.0 very fine and fine tubular and 0.5 medium tubular pores; 15 percent by volume 2-39-75 millimeter unspecified fragments; strong effervescence; strongly alkaline, pH 8.5, hellige-truog; abrupt irregular boundary. Lab sample # 92P00758
    2Bk5—114 to 142 centimeters (44.9 to 55.9 inches); very pale brown (10YR 7/3), dark yellowish brown (10YR 4/4), moist; very channery sandy clay loam; 20 percent clay; 1 percent yellowish brown (10YR 5/8) fine distinct mottles; slightly hard, very friable, slightly sticky, slightly plastic; 0.5 very fine and fine roots; 3.0 very fine tubular and 0.5 fine tubular pores; 30 percent by volume 2-39-75 millimeter unspecified fragments; strong effervescence; strongly alkaline, pH 8.5, hellige-truog; clear wavy boundary. Lab sample # 92P00759
    2C—142 to 152 centimeters (55.9 to 59.8 inches); very pale brown (10YR 7/4), dark yellowish brown (10YR 4/4), moist; very channery sandy loam; 15 percent clay; 1 percent yellowish brown (10YR 5/8) fine distinct mottles; single grain; soft, very friable, slightly sticky, nonplastic; 0.5 very fine and fine roots; 3.0 very fine interstitial and 0.5 fine interstitial pores; 30 percent by volume 2-39-75 millimeter unspecified fragments; violent effervescence; moderately alkaline, pH 8.4, hellige-truog. Lab sample # 92P00760