IDENTIFIERS

  • Current Taxon Name (Soil Name): Surfaz
  • OSD
  • Series Extent
  • User Site ID: S1991UT047005
  • User Pedon ID: 91UT047005
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 92P0112
  • NCSS Pedon Lab Data NASIS Record ID - 64351
  • Print Date: 10/31/2024
  • 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: 40.5333328
  • Std. Longitude: -109.9383316
  • Datum: WGS84
  • Township: 2N
  • Range: 1W
  • Section: 36
  • PLSS Details: 300 feet S and 800 feet W of NE corner
  • Location Description: Uintah area. BIA, 3 miles SE of Elkhorn Guard Station.
  • State: Utah
  • County: UT047—Uintah
  • MLRA: 34—Central Desertic Basins, Mountains, and Plateaus
  • Non-MLRA Soil Survey Area: UT047—Uintah Area, Utah - Parts of Daggett, Grand and Uintah Counties
  • PEDON

  • Describers Name: GWL and RHF
  • Current Taxonomic Class: Loamy-skeletal, siliceous, superactive, mesic Ustic Haplargids
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 5
  • Correlated Information:
  • Soil Name - Surfaz
  • PSC - 20 to 51 cm.
  • Classificaton Date - 2/1/2010
  • Moisture Class - aridic (torric)
  • Moisture Subclass - ustic
  • Sampled As Information:
  • Soil Name - Tacan
  • Taxonomic Class - Loamy-skeletal, siliceous, mesic Ustollic Haplargi
  • Taxon Kind - series
  • Classificaton Date - 6/19/1990
  • Moisture Class - aridic (torric)
  • Moisture SUBClass - ustic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landform: fan terrace
  • Drainage Class: somewhat excessively
  • Surface Fragments: 17.00 percent 2 23.00 percent 250
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/19/1990 (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
  • Site Erosion Accelerated: wind erosion
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    cambic horizon

    argillic horizon

    0—5

    5—20

    20—51

    —-

    —-

    —-

    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

    2036

    180

    A—0 to 5 centimeters (0.0 to 2.0 inches); dark reddish brown (5YR 3/3), brown (7.5YR 4/3), dry; extremely stony sandy loam; 6 percent clay; weak fine platy parts to weak very fine granular structure; soft, very friable, nonsticky, nonplastic; 3.0 very fine roots and 0.5 fine to coarse roots; 3.0 very fine tubular and 0.5 fine tubular pores; 5 percent by volume 2-39-75 millimeter unspecified fragments and 10 percent by volume 250-425-600 millimeter unspecified fragments and 20 percent by volume 75-162-250 millimeter unspecified fragments; slightly alkaline, pH 7.6, hellige-truog; abrupt smooth boundary. Lab sample # 92P00789
    Bw—5 to 20 centimeters (2.0 to 7.9 inches); dark reddish brown (5YR 3/4), brown (7.5YR 4/4), dry; very cobbly sandy loam; 15 percent clay; moderate very fine and fine subangular blocky structure; soft, very friable, slightly sticky, nonplastic; 21.0 very fine roots and 0.5 medium and coarse roots and 3.0 fine roots; 21.0 very fine tubular and 0.5 medium tubular and 3.0 fine tubular pores; 10 percent by volume 2-39-75 millimeter unspecified fragments and 10 percent by volume 250-425-600 millimeter unspecified fragments and 25 percent by volume 75-162-250 millimeter unspecified fragments; very slight effervescence; slightly alkaline, pH 7.8, hellige-truog; clear smooth boundary. Lab sample # 92P00790. Color is marginal to (5YR 3/3). CaCO3 disseminated.
    Bt—20 to 51 centimeters (7.9 to 20.1 inches); reddish brown (5YR 4/4), brown (7.5YR 4/4), dry; extremely cobbly sandy clay loam; 23 percent clay; moderate fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 21.0 very fine roots and 0.5 medium roots and 3.0 fine roots; 3.0 very fine and fine tubular and 0.5 medium tubular pores; 10 percent distinct clay bridges between sand grains and 10 percent faint clay films on rock fragments; 10 percent by volume 250-425-600 millimeter unspecified fragments and 25 percent by volume 75-162-250 millimeter unspecified fragments and 30 percent by volume 2-39-75 millimeter unspecified fragments; very slight effervescence; slightly alkaline, pH 7.8, hellige-truog; clear wavy boundary. Lab sample # 92P00791. CaCO3 disseminated.; discontinuous - phpvsfiid 177462; discontinuous - phpvsfiid 177463; discontinuous - phpvsfiid 177462; discontinuous - phpvsfiid 177463
    2Bk1—51 to 114 centimeters (20.1 to 44.9 inches); reddish brown (5YR 4/4), strong brown (7.5YR 4/6), dry; extremely cobbly loamy sand; 3 percent clay; massive; loose, loose, nonsticky, nonplastic; 3.0 very fine and fine roots and 0.5 medium roots; 3.0 very fine interstitial and 0.5 fine and medium interstitial pores; 15 percent by volume 250-425-600 millimeter unspecified fragments and 25 percent by volume 75-162-250 millimeter unspecified fragments and 40 percent by volume 2-39-75 millimeter unspecified fragments; very slight effervescence; slightly alkaline, pH 7.7, hellige-truog; gradual wavy boundary. Lab sample # 92P00792. CaCO3 disseminated thin coatings on underside of rocks.
    2Bk2—114 to 152 centimeters (44.9 to 59.8 inches); yellowish red (5YR 4/6), reddish brown (5YR 5/4), dry; extremely cobbly sand; single grain; loose, loose, nonsticky, nonplastic; 0.5 very fine and fine roots; 0.5 very fine and fine interstitial pores; 15 percent by volume 250-425-600 millimeter unspecified fragments and 25 percent by volume 75-162-250 millimeter unspecified fragments and 40 percent by volume 2-39-75 millimeter unspecified fragments; very slight effervescence; slightly alkaline, pH 7.8, hellige-truog. Lab sample # 92P00793. CaCO3 disseminated thin coatings on underside of rocks.