IDENTIFIERS

  • Current Taxon Name (Soil Name): Tuscan
  • OSD
  • Series Extent
  • User Site ID: S1945CA073015
  • User Pedon ID: S1945CA073015
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A2844
  • NCSS Pedon Lab Data NASIS Record ID - 37423
  • Print Date: 9/24/2024
  • LOCATION

  • Location Description: 1/3 mile south and 1/10 mile west of bench mark 417 located about 2-1/2 miles south of Camp Kearney.
  • State: California
  • County: CA073—San Diego
  • Non-MLRA Soil Survey Area: CA638—San Diego County Area, California
  • PEDON

  • Describers Name: R. C. Roberts and R. A. Gardner
  • Current Taxonomic Class: Fine, smectitic, thermic Abruptic Durixeralfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 15
  • Correlated Information:
  • Soil Name - Tuscan
  • PSC - 19 to 60 cm.
  • Classificaton Date - 7/23/2007
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - TUSCAN
  • Classificaton Date - 4/15/1945
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landscape: upland
  • Landform: terrace
  • Runoff: low
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/15/1945 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • 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

    126

    279

    16.7

    21.1

    12.2

    A11—0 to 2 centimeters (0.0 to 0.8 inches); dark reddish brown (5YR 3/3), dark reddish brown (5YR 2/2), moist; sandy loam; strong fine granular structure; soft, friable, slightly plastic; 21.0 roots; fragments; slightly acid, pH 6.1, unspecified. Lab sample # 40A22448; dry when described;. containing considerable fine fragments of what appears to be burned organic matter that affects color of layer; abundant roots and root remains.
    A12—2 to 11 centimeters (0.8 to 4.3 inches); dark red (2.5YR 3/6), dark reddish brown (2.5YR 3/4), moist; gravelly sandy loam; very fine granular, and fine subangular blocky structure; slightly hard, friable, slightly plastic; fragments; slightly acid, pH 6.4, unspecified. Lab sample # 40A22449; dry when described;
    A13—11 to 19 centimeters (4.3 to 7.5 inches); dark red (2.5YR 3/6), dark red (2.5YR 3/6), moist; gravelly sandy loam; very fine granular, and fine subangular blocky structure; slightly hard, friable, slightly plastic; fragments; slightly acid, pH 6.4, unspecified. Lab sample # 40A22450; dry when described;
    B1T—19 to 22 centimeters (7.5 to 8.7 inches); dark red (2.5YR 3/6), dark red (2.5YR 3/6), moist; gravelly sandy clay loam; very fine granular, and fine subangular blocky structure; slightly hard, friable, moderately plastic; fragments; slightly acid, pH 6.3, unspecified. Lab sample # 40A22451; dry when described;
    B21T—22 to 35 centimeters (8.7 to 13.8 inches); red (10R 4/6), dark red (10R 3/6), moist; gravelly sandy clay loam; subangular blocky structure; hard when dry, firm, moderately plastic; fragments; neutral, pH 6.8, unspecified. Lab sample # 40A22452; dry when described;
    B22T—35 to 48 centimeters (13.8 to 18.9 inches); red (10R 4/6), red (10R 4/6), moist; gravelly clay; subangular blocky structure; very hard, very firm, very plastic; fragments; strongly acid, pH 5.4, unspecified. Lab sample # 40A22453; dry when described;
    B23T—48 to 53 centimeters (18.9 to 20.9 inches); yellowish red (5YR 4/6), red (2.5YR 4/6), moist; gravelly clay; coarse subangular blocky, and columnar structure; extremely hard, extremely firm, very plastic; fragments; very strongly acid, pH 4.8, unspecified. Lab sample # 40A22454; dry when described;
    B24T—53 to 60 centimeters (20.9 to 23.6 inches); yellowish red (5YR 4/6), yellowish red (5YR 4/6), moist; gravelly clay; coarse subangular blocky, and columnar structure; extremely hard, extremely firm; fragments; very strongly acid, pH 4.5, unspecified. Lab sample # 40A22455; dry when described;
    C7—60 to 76 centimeters (23.6 to 29.9 inches); red (2.5YR 5/6), red (2.5YR 4/6), moist; gravel; extremely hard, moderately coherent; fragments; strongly acid, pH 5.3, unspecified. Lab sample # 40A22456; dry when described;