IDENTIFIERS

  • Current Taxon Name (Soil Name): Scarface
  • OSD
  • Series Extent
  • User Site ID: S1984CA049002
  • User Pedon ID: 84CA049002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 84P0737
  • NCSS Pedon Lab Data NASIS Record ID - 54980
  • Print Date: 12/4/2024
  • 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: 41.3430557
  • Std. Longitude: -121.4002762
  • Datum: WGS84
  • Township: 40N
  • Range: 5E
  • Section: 1
  • PLSS Details: 335 meters E and 244 meters N of the SW corner
  • State: California
  • County: CA049—Modoc
  • MLRA: 22—Sierra Nevada Range
  • PEDON

  • Describers Name: Dean Burkett and Chuck Ferrari
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 2
  • Sampled As Information:
  • Soil Name - Scarface
  • Taxonomic Class - Fine-loamy, mixed Ultic Haploxeralfs
  • PSC - 74 to 99 cm.
  • Classificaton Date - 8/1/1984
  • Moisture Class - xeric
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landscape: plateaus or tablelands
  • Landform: mesa or butte
  • Slope Position: middle third
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: very poorly
  • Surface Fragments: 0.05 percent
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/1984 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - hardwoods
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—36

    19—76

    —-

    —-

    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

    2

    1338

    45

    76

    7

    9

    O—0 to 5 centimeters (0.0 to 2.0 inches); partially decomposed organic matter; fragments; abrupt smooth boundary. Not sampled. Fresh and decomposed pine and fir needles.
    A1—5 to 15 centimeters (2.0 to 5.9 inches); brown (7.5YR 4/4) interior, reddish brown (5YR 4/3) interior, moist; sandy loam; weak very fine subangular blocky structure; soft, very friable, nonsticky, nonplastic; 5.5 very fine roots throughout and 2.5 fine roots throughout; 0.5 very fine tubular pores; 5 percent by volume 2-39-75 millimeter pyroclastic, unspecified fragments; slightly acid, pH 6.5, hellige-truog; abrupt smooth boundary. Lab sample # 84P04078. many very fine roots throughout; common fine roots throughout
    A2—15 to 28 centimeters (5.9 to 11.0 inches); brown (7.5YR 4/4) interior, dark reddish brown (5YR 3/3) interior, moist; sandy loam; weak fine subangular blocky structure; soft, very friable, nonsticky, nonplastic; 5.5 very fine roots throughout and 2.5 medium roots throughout; 0.5 very fine tubular pores; 10 percent by volume 2-39-75 millimeter pyroclastic, unspecified fragments; slightly acid, pH 6.5, hellige-truog; abrupt smooth boundary. Lab sample # 84P04079. many very fine roots throughout; common medium roots throughout
    A3—28 to 41 centimeters (11.0 to 16.1 inches); brown (7.5YR 4/4) interior, dark reddish brown (5YR 3/4) interior, moist; sandy loam; weak fine subangular blocky structure; soft, very friable, nonsticky, nonplastic; 2.5 medium roots throughout and 2.5 coarse roots throughout; 0.5 very fine tubular pores; 10 percent by volume 2-39-75 millimeter pyroclastic, unspecified fragments; slightly acid, pH 6.5, hellige-truog; clear smooth boundary. Lab sample # 84P04080. common medium roots throughout; common coarse roots throughout
    BA1—41 to 53 centimeters (16.1 to 20.9 inches); reddish brown (5YR 4/4) interior, dark reddish brown (5YR 3/4) interior, moist; sandy loam; weak fine subangular blocky structure; soft, friable, nonsticky, nonplastic; 2.5 medium roots throughout and 2.5 coarse roots throughout; 0.5 very fine tubular pores; 10 percent by volume 2-39-75 millimeter pyroclastic, unspecified fragments; slightly acid, pH 6.5, hellige-truog; clear smooth boundary. Lab sample # 84P04081. common medium roots throughout; common coarse roots throughout
    Bt1—53 to 79 centimeters (20.9 to 31.1 inches); yellowish red (5YR 4/6) interior, dark reddish brown (5YR 3/4) interior, moist; sandy clay loam; moderate medium subangular blocky structure; soft, friable, slightly sticky, slightly plastic; 2.5 medium roots throughout and 2.5 fine roots throughout; 2.5 very fine tubular pores; 15 percent clay films in root channels and/or pores; 10 percent by volume 2-39-75 millimeter pyroclastic, unspecified fragments; slightly acid, pH 6.5, hellige-truog; gradual smooth boundary. Lab sample # 84P04082. few clay films surface features in root channels and/or pores; common fine roots throughout; common medium roots throughout
    Bt2—79 to 114 centimeters (31.1 to 44.9 inches); yellowish red (5YR 4/6) interior, dark reddish brown (5YR 3/4) interior, moist; loam; moderate medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 0.5 medium roots throughout; 2.5 fine tubular pores; 37 percent clay films in root channels and/or pores; 10 percent by volume 2-39-75 millimeter pyroclastic, unspecified fragments; slightly acid, pH 6.5, hellige-truog; clear smooth boundary. Lab sample # 84P04083. common clay films surface features in root channels and/or pores; few medium roots throughout
    Bt3—114 to 135 centimeters (44.9 to 53.1 inches); strong brown (7.5YR 4/6) interior, dark brown (7.5YR 3/4) interior, moist; gravelly loam; moderate fine subangular blocky structure; hard, firm, slightly sticky, slightly plastic; 0.5 medium roots throughout; 2.5 fine tubular pores; 15 percent clay films in root channels and/or pores and 37 percent clay films on faces of peds; 20 percent by volume 2-39-75 millimeter pyroclastic, unspecified fragments; slightly acid, pH 6.5, hellige-truog. Lab sample # 84P04084. few clay films surface features in root channels and/or pores; common clay films surface features on faces of peds; few medium roots throughout
    BCt—135 to 155 centimeters (53.1 to 61.0 inches); strong brown (7.5YR 4/6) interior, dark brown (7.5YR 3/4) interior, moist; very gravelly loam; moderate fine subangular blocky structure; hard, firm, slightly sticky, slightly plastic; 0.5 fine roots throughout; 2.5 fine tubular pores; 15 percent clay films in root channels and/or pores and 37 percent clay films on faces of peds; 10 percent by volume 75-162-250 millimeter pyroclastic, unspecified fragments and 30 percent by volume 2-39-75 millimeter pyroclastic, unspecified fragments; slightly acid, pH 6.5, hellige-truog. Lab sample # 84P04085. few clay films surface features in root channels and/or pores; common clay films surface features on faces of peds; few fine roots throughout