IDENTIFIERS

  • Current Taxon Name (Soil Name): Datom
  • OSD
  • Series Extent
  • User Site ID: S1984CA035009
  • User Pedon ID: 84CA035009
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 84P0738
  • NCSS Pedon Lab Data NASIS Record ID - 54981
  • Print Date: 4/21/2025

    • 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: 41.1158333
  • Std. Longitude: -121.0438919
  • Datum: WGS84
  • Township: 38N
  • Range: 8E
  • Section: 22
  • PLSS Details: 200 meters E and 244 meters N of the SW corner
  • State: California
  • County: CA035—Lassen
  • MLRA: 21—Klamath and Shasta Valleys and Basins

    • PEDON

  • Describers Name: Dean Burkett
  • Current Taxonomic Class: Clayey, isotic, mesic, shallow Typic Argixerolls
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 9
  • Correlated Information:
  • Soil Name - Datom
  • PSC - 8 to 41 cm.
  • Classificaton Date - 2/1/2010
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - Britton V
  • Classificaton Date - 7/1/1984
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: hills
  • Landform: hillside or mountainside
  • Hill Slope Profile: summit
  • Slope Position: upper third
  • Slope Shape Down: convex
  • Runoff: low
  • Drainage Class: very poorly
  • Bedrock: with 45 to <100
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/1/1984 (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: water erosion
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    cambic horizon

    0—30

    8—30

    —-

    —-
    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

    —

    —

    294

    —

    36

    —

    —

    9

    —

    —

    10

    —

    —

    —

    —

    —

    —

    —
    1A—0 to 8 centimeters (0.0 to 3.1 inches); grayish brown (10YR 5/2) interior, very dark grayish brown (10YR 3/2) interior, moist; silt loam; moderate fine platy structure; slightly hard, friable, nonsticky, slightly plastic; 2.5 very fine roots throughout; 2.5 very fine tubular pores; 5 percent by volume 2-39-75 millimeter sedimentary, unspecified fragments; slightly acid, pH 6.2, hellige-truog; abrupt smooth boundary. Lab sample # 84P04086. common very fine roots throughout
    1Bw1—8 to 20 centimeters (3.1 to 7.9 inches); grayish brown (10YR 5/2) interior, very dark grayish brown (10YR 3/2) interior, moist; silt loam; moderate fine subangular blocky structure; slightly hard, friable, nonsticky, slightly plastic; 2.5 very fine roots throughout and 0.5 medium roots throughout; 0.5 very fine tubular pores; 5 percent by volume 2-39-75 millimeter sedimentary, unspecified fragments; slightly acid, pH 6.2, hellige-truog; clear smooth boundary. Lab sample # 84P04087. common very fine roots throughout; few medium roots throughout
    1Bw2—20 to 30 centimeters (7.9 to 11.8 inches); grayish brown (10YR 5/2) interior, very dark grayish brown (10YR 3/2) interior, moist; silt loam; moderate fine subangular blocky structure; slightly hard, friable, nonsticky, slightly plastic; 0.5 medium roots throughout and 0.5 fine roots throughout; 2.5 very fine tubular pores; 5 percent by volume 2-39-75 millimeter sedimentary, unspecified fragments; slightly acid, pH 6.4, hellige-truog; abrupt smooth boundary. Lab sample # 84P04088. few fine roots throughout; few medium roots throughout
    1BCt1—30 to 35 centimeters (11.8 to 13.8 inches); light brownish gray (10YR 6/2) interior, very dark grayish brown (10YR 3/2) interior, moist; silt loam; moderate fine subangular blocky structure; slightly hard, friable, nonsticky, slightly plastic; 0.5 medium roots throughout and 0.5 fine roots throughout; 2.5 very fine tubular pores; 15 percent clay films in root channels and/or pores; 5 percent by volume 2-39-75 millimeter sedimentary, unspecified fragments; slightly acid, pH 6.4, hellige-truog; abrupt wavy boundary. Lab sample # 84P04089. For sampling combined with BCt2.; few clay films surface features in root channels and/or pores; few fine roots throughout; few medium roots throughout
    1BCt2—35 to 41 centimeters (13.8 to 16.1 inches); light brownish gray (10YR 6/2) interior, very dark grayish brown (10YR 3/2) interior, moist; silt loam; moderate fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 0.5 fine roots throughout; 2.5 very fine tubular pores; 15 percent clay films in root channels and/or pores; 5 percent by volume 2-39-75 millimeter sedimentary, unspecified fragments; neutral, pH 6.8, hellige-truog; abrupt wavy boundary. Lab sample # 84P04089. For sampling combined with BCt1.; few clay films surface features in root channels and/or pores; few fine roots throughout
    1Crt—41 to 86 centimeters (16.1 to 33.9 inches); weathered bedrock; 37 percent clay films on upper surfaces of peds or rocks; fragments. Lab sample # 84P04090. Soft diatomite with fractures 30 to 60 cm apart with soil filling 0.5 cm cracks.; common clay films surface features on upper surfaces of peds or stones