IDENTIFIERS

  • Current Taxon Name (Soil Name): MARPA
  • OSD
  • Series Extent
  • User Site ID: S1972-CA-45-173x
  • User Pedon ID: 72-CA-45-173x
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - UCDAVIS
  • Lab Pedon # - UCD7245173
  • NCSS Pedon Lab Data NASIS Record ID - 42255
  • Print Date: 9/23/2024

    • 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: 40.7866516
  • Std. Longitude: -122.5303116
  • Datum: WGS84
  • Township: 34N
  • Range: 6W
  • Section: 22
  • PLSS Details: NW/4, SE/4
  • State: California
  • County: CA089—Shasta
  • MLRA: 15—Central California Coast Range
  • Non-MLRA Soil Survey Area: CA607—Shasta County Area, California
  • 7.5 Minute USGS Quad: 40122-G5—Schell Mountain, California

    • PEDON

  • Describers Name: JIM, WAP
  • Current Taxonomic Class: Loamy-skeletal, mixed, mesic Typic Xerumbrepts
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - MARPA
  • Taxonomic Class - Loamy-skeletal, mixed, mesic Typic Xerumbrepts
  • Classificaton Date - 2/25/2009
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: RES
  • Slope Complexity: simple
  • Drainage Class: well
  • Bedrock: shale, unspecified
  • Geology: Shale. Geologic Formation: Bra formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 2/25/2009 (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
    • 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

    55

    —

    —

    945

    —

    0

    1829

    —

    —

    10

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    O1—0 to 3 centimeters (0.0 to 1.2 inches); fragments. Lab sample # UCD01784
    A11—3 to 8 centimeters (1.2 to 3.1 inches); very dark brown (10YR 2/2), dark grayish brown (10YR 4/2), dry; gravelly sandy clay loam; strong very fine granular structure; soft, very friable, nonsticky, nonplastic; 21.0 roots throughout; 21.0 very fine irregular and 21.0 fine irregular pores; 15 percent by volume indurated 2-35-75 millimeter unspecified fragments; slightly acid, pH 6.3; abrupt smooth boundary. Lab sample # UCD01785
    A12—8 to 33 centimeters (3.1 to 13.0 inches); dark brown (10YR 3/3), yellowish brown (10YR 5/4), dry; gravelly sandy clay loam; strong very fine granular structure; soft, very friable, nonsticky, nonplastic; 0.5 medium roots throughout and 0.5 fine roots throughout and 21.0 roots throughout; 0.5 very fine irregular and 21.0 irregular pores; 15 percent by volume indurated 2-35-75 millimeter unspecified fragments; moderately acid, pH 5.8; clear smooth boundary. Lab sample # UCD01786
    A3—33 to 59 centimeters (13.0 to 23.2 inches); dark yellowish brown (10YR 3/4), light yellowish brown (10YR 6/4), dry; gravelly sandy clay loam; moderate fine granular structure; soft, very friable, nonsticky, nonplastic; 3.0 very fine roots throughout and 3.0 medium roots throughout and 3.0 fine roots throughout and 3.0 coarse roots throughout; 0.5 very fine irregular and 3.0 irregular pores; 15 percent by volume indurated 2-35-75 millimeter unspecified fragments; moderately acid, pH 5.6; clear smooth boundary. Lab sample # UCD01787
    B1—59 to 72 centimeters (23.2 to 28.3 inches); brown (7.5YR 4/4), light brown (7.5YR 6/4), dry; gravelly coarse sandy loam; massive; slightly hard, friable, slightly sticky, slightly plastic; 0.1 medium roots throughout and 0.1 fine roots throughout and 0.1 coarse roots throughout; 3.0 very fine tubular pores; 15 percent by volume indurated 2-35-75 millimeter unspecified fragments; moderately acid, pH 5.6; gradual wavy boundary. Lab sample # UCD01788
    B2t—72 to 84 centimeters (28.3 to 33.1 inches); brown (7.5YR 4/4), light brown (7.5YR 6/4), dry; gravelly sandy clay loam; massive; slightly hard, friable, slightly sticky, slightly plastic; 0.1 medium roots throughout and 0.1 fine roots throughout and 0.1 coarse roots throughout; 0.5 very fine tubular and 0.5 fine tubular pores; 1 percent clay films between sand grains and 1 percent clay films on surfaces along pores; 15 percent by volume indurated 2-35-75 millimeter unspecified fragments; strongly acid, pH 5.4; abrupt irregular boundary. Lab sample # UCD01789
    R/B2t—84 to 130 centimeters (33.1 to 51.2 inches); very gravelly coarse sandy loam; 0.1 medium roots throughout and 0.1 coarse roots throughout; 35 percent by volume indurated 2-35-75 millimeter unspecified fragments; strongly acid, pH 5.3. Lab sample # UCD01790