IDENTIFIERS

  • Current Taxon Name (Soil Name): Pentz
  • OSD
  • Series Extent
  • User Site ID: S1973-CA-55-016x
  • User Pedon ID: 73-CA-55-016x
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - UCDAVIS
  • Lab Pedon # - UCD7355016
  • NCSS Pedon Lab Data NASIS Record ID - 42295
  • Print Date: 3/2/2025

    • 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: 37.9110577
  • Std. Longitude: -120.4670538
  • Datum: WGS84
  • Township: 1N
  • Range: 14E
  • Section: 29
  • PLSS Details: NW/4, SW/4
  • Map Unit: 4201—Angelscreek-Pentz complex, 15 to 30 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-H4—Sonora, California

    • PEDON

  • Describers Name: LKS, RMD, BFS
  • Current Taxonomic Class: Loamy, mixed, superactive, thermic, shallow Ultic Haploxerolls
  • Current Taxon Kind: series
  • Pedon Type: representative pedon for component
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - Pentz
  • Taxonomic Class - Loamy, mixed, superactive, thermic, shallow Ultic Haploxerolls
  • Taxon Kind - series
  • PSC - 0 to 23 cm.
  • Classificaton Date - 2/27/2009
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - xeric
  • Moisture SUBClass - xeric
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: RES
  • Slope Complexity: complex
  • Slope Shape Down: convex
  • Drainage Class: well
  • Bedrock: tuff, unspecified
  • Geology: Volcanic Tuff. Geologic Format 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, grassland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, paralithic

    moderately coherent

    23 - 50

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

    mollic epipedon

    paralithic contact

    0—23

    23—50

    —-

    —-
    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

    16

    —

    —

    430

    —

    180

    635

    —

    —

    16.7

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A11—0 to 18 centimeters (0.0 to 7.1 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; fine sandy loam; 65 percent sand; 27 percent silt; 8 percent clay; massive; slightly hard, very friable, nonsticky, nonplastic; 21.0 very fine roots throughout and 21.0 roots throughout; 3.0 fine irregular and 3.0 fine tubular and 3.0 tubular and 3.0 irregular pores; 8 percent by volume nonflat subrounded indurated 2-20-76 millimeter tuff, unspecified fragments; moderately acid, pH 5.9; abrupt wavy boundary. Lab sample # UCD02775
    A12—18 to 23 centimeters (7.1 to 9.1 inches); brown (10YR 5/3), very dark grayish brown (10YR 3/2), moist; fine sandy loam; 65 percent sand; 27 percent silt; 8 percent clay; massive; slightly hard, very friable, slightly sticky, nonplastic; 21.0 very fine roots throughout and 21.0 roots throughout; 0.5 medium tubular and 0.5 tubular pores; fragments; slightly acid, pH 6.5; abrupt wavy boundary. Lab sample # UCD02776
    Cr—23 to 50 centimeters (9.1 to 19.7 inches); moderately coherent; fragments. Lab sample # UCD02777