IDENTIFIERS

  • Current Taxon Name (Soil Name): Lostpoint
  • OSD
  • Series Extent
  • User Site ID: S1981CA037002
  • User Pedon ID: 81CA037002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 82P0128
  • NCSS Pedon Lab Data NASIS Record ID - 50368
  • Print Date: 11/24/2024

    • LOCATION

  • Location Description: 11 meters NE of dirt road .24 km N of road by photo shop.
  • State: California
  • County: CA037—Los Angeles

    • PEDON

  • Describers Name: TDC BR JR
  • Current Taxonomic Class: Fine, smectitic, thermic Halic Haploxererts
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Lostpoint
  • Classificaton Date - 7/11/2007
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - Altamont
  • Taxonomic Class - Fine, montmorillonitic Typic Chromoxerert
  • Taxon Kind - series
  • Classificaton Date - 8/1/1981
  • Moisture Class - xeric
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: coastal plain
  • Landform: terrace—stream or lake
  • Slope Shape Down: convex
  • Runoff: low
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/1981 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • 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

    —

    —

    700

    —

    0

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    1A11—0 to 5 centimeters (0.0 to 2.0 inches); gray (10YR 5/1) interior, very dark gray (10YR 3/1) interior, moist; clay loam; strong medium and coarse subangular blocky structure; hard, friable, moderately sticky, moderately plastic; 0.5 fine roots and 0.1 coarse roots; 0.1 medium tubular and 2.5 fine tubular pores; fragments; moderately alkaline, pH 8.0, hellige-truog; clear wavy boundary. Lab sample # 82P00644. very few coarse roots; few fine roots
    1A12—5 to 15 centimeters (2.0 to 5.9 inches); grayish brown (10YR 5/2) interior, very dark grayish brown (10YR 3/2) interior, moist; clay, silty clay; strong medium prismatic, and strong medium angular blocky structure; extremely hard, firm, moderately sticky, very plastic; 0.1 medium roots and 0.5 fine roots; 0.1 coarse tubular pores; fragments; moderately alkaline, pH 8.0, hellige-truog; clear wavy boundary. Lab sample # 82P00645. few fine roots; very few medium roots
    1A13—15 to 56 centimeters (5.9 to 22.0 inches); dark grayish brown (10YR 4/2) interior, very dark grayish brown (10YR 3/2) interior and very dark gray (10YR 3/1) interior, moist; clay, silty clay; weak medium prismatic, and strong very coarse prismatic structure; extremely hard, firm, moderately sticky, moderately plastic; 0.1 medium roots and 0.5 fine roots; 0.1 medium tubular pores; fragments; moderately alkaline, pH 8.0, hellige-truog; gradual wavy boundary. Lab sample # 82P00646. very few medium roots; few fine roots
    1A14—56 to 91 centimeters (22.0 to 35.8 inches); dark grayish brown (10YR 4/2) interior, very dark grayish brown (10YR 3/2) interior, moist; clay, silty clay; strong very coarse prismatic structure; extremely hard, firm, moderately sticky, moderately plastic; 0.1 medium roots and 0.1 coarse roots; 0.1 medium tubular pores; fragments; neutral, pH 6.8, hellige-truog; gradual wavy boundary. Lab sample # 82P00647. very few medium roots; very few coarse roots
    1AC—91 to 102 centimeters (35.8 to 40.2 inches); brown (10YR 4/3) interior, very dark grayish brown (10YR 3/2) interior and dark brown (10YR 3/3) interior, moist; silty clay; massive; extremely hard, firm, very sticky, very plastic; 0.1 medium roots and 0.1 coarse roots; 0.1 fine tubular pores; organic stains on nodules; fragments; moderately acid, pH 5.8, hellige-truog; abrupt smooth boundary. Lab sample # 82P00648. very few medium roots; very few coarse roots; patchy - phpvsfiid 215244; patchy - phpvsfiid 215244
    2C—102 to 112 centimeters (40.2 to 44.1 inches); yellowish brown (10YR 5/4) interior, dark brown (10YR 3/3) interior and very dark brown (10YR 2/2) interior and yellowish red (5YR 4/6) interior, moist; clay loam; massive; very hard, very friable, very sticky, moderately plastic; 0.1 coarse roots around fragments; 0.1 fine tubular pores; organic stains on nodules; fragments; strongly acid, pH 5.5, hellige-truog; abrupt smooth boundary. Lab sample # 82P00649. very few coarse roots matted around stones; patchy - phpvsfiid 215245; patchy - phpvsfiid 215245
    2R—112 to 147 centimeters (44.1 to 57.9 inches); unweathered bedrock; fragments. Not sampled.