IDENTIFIERS

  • Current Taxon Name (Soil Name): Supan
  • OSD
  • Series Extent
  • User Site ID: S1967-CA-05-037x
  • User Pedon ID: 67-CA-05-037x
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - UCDAVIS
  • Lab Pedon # - UCD6705037
  • NCSS Pedon Lab Data NASIS Record ID - 42148
  • Print Date: 2/17/2025

    • 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: 38.3251320
  • Std. Longitude: -120.4647761
  • Datum: WGS84
  • Township: 6N
  • Range: 14E
  • Section: 32
  • PLSS Details: SW/4, SW/4
  • Map Unit: 5057—Supan loam, 5 to 30 percent slopes
  • State: California
  • County: CA009—Calaveras
  • MLRA: 22A—Sierra Nevada and Tehachapi Mountains
  • Non-MLRA Soil Survey Area: CA630—Central Sierra Foothills Area, California, Parts of Calaveras and Tuolumne Counties
  • 7.5 Minute USGS Quad: 38120-C4—Fort Mountain, California

    • PEDON

  • Describers Name: JAD
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, mesic Pachic Ultic Haploxerolls
  • Current Taxon Kind: taxadjunct
  • Pedon Type: representative pedon for component
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Supan
  • PSC - 28 to 103 cm.
  • Classificaton Date - 2/2/2016
  • Classifier - Theresa Kunch
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - SUPAN
  • Taxonomic Class - Fine-loamy, mixed, mesic Pachic Haploxerolls
  • Classificaton Date - 1/21/2009
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: RES
  • Slope Complexity: simple
  • Drainage Class: well
  • Geology: Tuff And Tuff Breccia. Geologi formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/21/2009 (entry creation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, savanna
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    cambic horizon

    lithic contact

    3—89

    89—119

    119—200

    —-

    —-

    —-
    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

    30

    —

    —

    975

    —

    180

    1016

    —

    —

    14.4

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments. Lab sample # UCD01083
    A1—3 to 5 centimeters (1.2 to 2.0 inches); brown (7.5YR 4/2), very dark brown (10YR 2/2), moist; loam; 37 percent sand; 37 percent silt; 26 percent clay; strong very fine granular parts to strong fine granular structure; soft, friable, nonsticky, nonplastic; fragments; moderately acid, pH 5.8; abrupt smooth boundary. Lab sample # UCD01084
    A2—5 to 25 centimeters (2.0 to 9.8 inches); brown (7.5YR 4/3), dark brown (7.5YR 3/2), moist; loam; 37 percent sand; 37 percent silt; 26 percent clay; weak fine subangular blocky structure; hard, friable, nonsticky, slightly plastic; 21.0 medium roots throughout and 21.0 fine roots throughout and 21.0 coarse roots throughout; fragments; moderately acid, pH 5.8; clear wavy boundary. Lab sample # UCD01085
    BA—25 to 61 centimeters (9.8 to 24.0 inches); reddish brown (5YR 4/3), dark reddish brown (5YR 3/3), moist; clay loam; 36 percent sand; 35 percent silt; 29 percent clay; weak medium subangular blocky parts to weak fine subangular blocky structure; hard, friable, moderately sticky, slightly plastic; 21.0 medium roots throughout and 21.0 fine roots in cracks and 21.0 coarse roots throughout; fragments; moderately acid, pH 5.7; gradual wavy boundary. Lab sample # UCD01086
    Bt1—61 to 89 centimeters (24.0 to 35.0 inches); reddish brown (5YR 4/3), dark reddish brown (5YR 3/3), moist; gravelly clay loam; 38 percent sand; 32 percent silt; 30 percent clay; moderate medium subangular blocky structure; hard, friable, moderately sticky, moderately plastic; 21.0 medium roots throughout and 21.0 fine roots throughout and 21.0 coarse roots throughout; 10 percent clay films on all faces of peds and 30 percent clay films on surfaces along pores; 15 percent by volume indurated 2-35-75 millimeter unspecified fragments; moderately acid, pH 5.7; gradual irregular boundary. Lab sample # UCD01087
    Bt2—89 to 119 centimeters (35.0 to 46.9 inches); reddish brown (5YR 4/3), dark reddish brown (5YR 3/4), moist; cobbly clay loam; 39 percent sand; 33 percent silt; 28 percent clay; moderate fine subangular blocky structure; hard, friable, moderately sticky, moderately plastic; 3.0 medium roots throughout and 3.0 fine roots throughout and 3.0 coarse roots throughout; 10 percent clay films on all faces of peds and 30 percent clay films on surfaces along pores; 15 percent by volume indurated 2-35-75 millimeter unspecified fragments; moderately acid, pH 5.7. Lab sample # UCD01088
    R—119 to 200 centimeters (46.9 to 78.7 inches); fragments. Lab sample # UCD01089