IDENTIFIERS

  • Current Taxon Name (Soil Name): Loafercreek
  • OSD
  • Series Extent
  • User Site ID: S1967-CA-05-021x
  • User Pedon ID: 67-CA-05-021x
  • Vegetation Plot ID: S1967-CA-05-021x
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - UCDAVIS
  • Lab Pedon # - UCD6705021
  • NCSS Pedon Lab Data NASIS Record ID - 42132
  • Print Date: 2/16/2025

    • 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: 37.9399399
  • Std. Longitude: -120.7338323
  • Datum: WGS84
  • Township: 1N
  • Range: 11E
  • Section: 14
  • PLSS Details: SE/4, NW/4
  • Map Unit: 7076—Bonanza-Loafercreek-Gopheridge complex, 15 to 30 percent slopes
  • State: California
  • County: CA009—Calaveras
  • MLRA: 18—Sierra Nevada Foothills
  • Non-MLRA Soil Survey Area: CA630—Central Sierra Foothills Area, California, Parts of Calaveras and Tuolumne Counties
  • 7.5 Minute USGS Quad: 37120-H6—Copperopolis, California

    • PEDON

  • Describers Name: JAD, COS, LHF
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, thermic Humic Haploxerepts
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Loafercreek
  • PSC - 25 to 56 cm.
  • Classificaton Date - 1/22/2016
  • Classifier - Andrew Paolucci
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - AUBURN
  • Taxonomic Class - Fine-loamy, mixed, thermic Ruptic-Lithic Xerochrepts
  • PSC - 25 to 56 cm.
  • Classificaton Date - 1/21/2009
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: RES
  • Slope Complexity: complex
  • Drainage Class: well
  • Bedrock: metavolcanics
  • Geology: Greenstone. Gealogic Formation 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, grassland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    QUDO

    Quercus douglasii

    blue oak

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    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    cambic horizon

    paralithic contact

    0—33

    33—56

    56—81

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    —-

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    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

    29

    —

    —

    244

    —

    270

    508

    —

    —

    7.2

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    —

    —

    —

    —

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    A—0 to 10 centimeters (0.0 to 3.9 inches); reddish brown (5YR 4/4), dark reddish brown (5YR 3/3), moist; loam; 40 percent sand; 36 percent silt; 24 percent clay; weak medium platy structure; hard, friable, slightly sticky, moderately plastic; 3.0 very fine roots throughout and 3.0 fine roots throughout; 3.0 very fine tubular and 3.0 fine irregular pores; 7 percent by volume strongly coherent cemented 2-20-76 millimeter metavolcanics fragments; slightly acid, pH 6.4; clear smooth boundary. Lab sample # UCD04336
    BA—10 to 33 centimeters (3.9 to 13.0 inches); yellowish red (5YR 4/6), dark reddish brown (5YR 3/4), moist; loam; 44 percent sand; 31 percent silt; 25 percent clay; massive; hard, friable, slightly sticky, moderately plastic; 3.0 medium roots throughout and 3.0 fine roots throughout and 3.0 coarse roots throughout; 3.0 medium tubular and 3.0 fine tubular pores; 4 percent by volume strongly coherent cemented 2-20-76 millimeter metavolcanics fragments; slightly acid, pH 6.4; gradual wavy boundary. Lab sample # UCD04337
    Bt—33 to 56 centimeters (13.0 to 22.0 inches); yellowish red (5YR 4/6), 5YR 3/6 (5YR 3/6), moist; loam; 45 percent sand; 30 percent silt; 25 percent clay; weak medium subangular blocky structure; hard, friable, moderately sticky, moderately plastic; 0.5 medium roots throughout and 0.5 fine roots throughout and 0.5 coarse roots throughout; 3.0 medium irregular and 3.0 fine tubular pores; 30 percent clay films on all faces of peds and 30 percent clay films on surfaces along pores; 7 percent by volume strongly coherent cemented 2-20-76 millimeter metavolcanics fragments; slightly acid, pH 6.4; clear irregular boundary. Lab sample # UCD04338
    Crt—56 to 81 centimeters (22.0 to 31.9 inches); clay; 75 percent clay films; fragments. Lab sample # UCD04339