IDENTIFIERS

  • Current Taxon Name (Soil Name): Loafercreek
  • OSD
  • Series Extent
  • User Site ID: S1973-CA-55-009x
  • User Pedon ID: 73-CA-55-009x
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - UCDAVIS
  • Lab Pedon # - UCD7355009
  • NCSS Pedon Lab Data NASIS Record ID - 42289
  • 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: 37.8027300
  • Std. Longitude: -120.5934263
  • Datum: WGS84
  • Township: 1S
  • Range: 12E
  • Section: 36
  • PLSS Details: NE/4, SE/4
  • Map Unit: 7085—Bonanza-Loafercreek complex, 3 to 15 percent slopes
  • State: California
  • County: CA109—Tuolumne
  • 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-G5—Keystone, California

    • PEDON

  • Describers Name: COS, BFS, RMD, LKS
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, thermic Ultic Haploxeralfs
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Loafercreek
  • PSC - 48 to 89 cm.
  • Classificaton Date - 12/17/2015
  • Classifier - Theresa Kunch
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - SOBRANTE
  • Taxonomic Class - Fine-loamy, mixed, thermic Mollic Haploxeralfs
  • Classificaton Date - 2/27/2009
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: RES
  • Slope Complexity: simple
  • Drainage Class: moderately well
  • Bedrock: metavolcanics
  • Geology: Greenstone. Geologic Formation formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 2/27/2009 (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

    ochric epipedon

    cambic horizon

    argillic horizon

    paralithic contact

    0—8

    8—48

    48—89

    89—114

    —-

    —-

    —-

    —-
    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

    10

    —

    —

    232

    —

    180

    483

    —

    —

    16.1

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 8 centimeters (0.0 to 3.1 inches); dark brown (7.5YR 3/2), brown (7.5YR 4/2), moist; silt loam; weak medium subangular blocky parts to weak fine subangular blocky structure; hard, friable, nonsticky, nonplastic; 21.0 very fine roots throughout and 21.0 roots throughout; 3.0 very fine irregular and 3.0 very fine tubular and 3.0 fine irregular and 3.0 fine tubular pores; fragments; moderately acid, pH 5.9; clear smooth boundary. Lab sample # UCD01351
    BA—8 to 25 centimeters (3.1 to 9.8 inches); brown (7.5YR 5/4), reddish brown (5YR 4/4), moist; loam; moderate medium subangular blocky structure; hard, friable, slightly sticky, slightly plastic; 3.0 very fine roots throughout and 3.0 fine roots throughout; 3.0 very fine irregular and 3.0 very fine tubular and 3.0 fine irregular and 3.0 fine tubular pores; fragments; moderately acid, pH 6.0; gradual smooth boundary. Lab sample # UCD01352
    Bw—25 to 48 centimeters (9.8 to 18.9 inches); reddish brown (5YR 5/4), yellowish red (5YR 4/6), moist; loam; moderate medium subangular blocky structure; hard, friable, slightly sticky, slightly plastic; 0.5 very fine roots throughout and 0.5 fine roots throughout; 0.5 very fine tubular pores; 30 percent clay films on surfaces along pores; fragments; slightly acid, pH 6.1; clear wavy boundary. Lab sample # UCD01353
    Bt—48 to 89 centimeters (18.9 to 35.0 inches); pale brown (10YR 6/3), brown (10YR 5/3), moist; clay loam; massive; very hard, very firm, moderately sticky, moderately plastic; 0.1 very fine roots throughout and 0.1 medium roots throughout; 0.1 very fine tubular pores; 30 percent clay films on surfaces along pores; fragments; moderately acid, pH 6.0; clear wavy boundary. Lab sample # UCD01354
    Cr—89 to 114 centimeters (35.0 to 44.9 inches); hard; fragments. Lab sample # UCD01355