IDENTIFIERS

  • Current Taxon Name (Soil Name): Mariposa
  • OSD
  • Series Extent
  • User Site ID: S1960CA005026
  • User Pedon ID: S1960CA005026
  • Vegetation Plot ID: S1960CA005026
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 40A2901
  • NCSS Pedon Lab Data NASIS Record ID - 37480
  • Print Date: 11/21/2024
  • 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: 38.4977760
  • Std. Longitude: -120.6061096
  • Datum: WGS84
  • Township: 8N
  • Range: 12E
  • Section: 36
  • PLSS Details: 0.2 mile NW of the S1/4 corner
  • Location Description: 300 feet W of Markley Mine Road Junction with the Fiddletown-Silver Lake Road, 150 feet S of the Fiddletown-Silver Lake Road.
  • State: California
  • County: CA005—Amador
  • MLRA: 22A—Sierra Nevada and Tehachapi Mountains
  • Non-MLRA Soil Survey Area: CA628—Amador Area, California
  • PEDON

  • Describers Name: Grant Kennedy
  • Current Taxonomic Class: Fine-loamy, mixed, active, mesic Ultic Haploxeralfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 26
  • Correlated Information:
  • Soil Name - Mariposa
  • PSC - 41 to 56 cm.
  • Classificaton Date - 11/29/2018
  • Classifier - Andrew Brown
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Mariposa
  • Classificaton Date - 6/1/1960
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landscape: upland
  • Landform: ridge
  • Runoff: medium
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/1/1960 (actual site observation date)
  • Surface Cover Properties:
  • 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

    ARCTO3

    QUVE

    Arctostaphylos

    Quercus velutina

    manzanita

    black oak

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

    ochric epipedon

    cambic horizon

    argillic horizon

    lithic contact

    0—16

    16—44

    44—59

    59—94

    —16—

    —28—

    —15—

    —35—

    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

    902

    180

    965

    12.8

    21.1

    4.4

    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments. Lab sample # 40A22879. Mainly loose leaf litter, the lower part being partly decomposed.
    A1—3 to 6 centimeters (1.2 to 2.4 inches); yellowish brown (10YR 5/4), dark brown (7.5YR 3/4), moist; gravelly silt loam; 37 percent sand; 54 percent silt; 9 percent clay; massive; soft, friable, slightly sticky, slightly plastic; 21.0 very fine roots; 21.0 very fine interstitial and tubular pores; fragments; strongly acid, pH 5.5, unspecified; abrupt smooth boundary. Lab sample # 40A22880
    A2—6 to 16 centimeters (2.4 to 6.3 inches); yellowish brown (10YR 5/4), dark brown (7.5YR 3/4), moist; gravelly silt loam; 33 percent sand; 55 percent silt; 12 percent clay; weak fine subangular blocky structure; soft, friable, slightly sticky, slightly plastic; 21.0 very fine roots and 1.0 fine and medium roots; 21.0 very fine interstitial and tubular and 1.0 fine and medium pores; fragments; strongly acid, pH 5.5, unspecified; clear smooth boundary. Lab sample # 40A22881
    BAt—16 to 28 centimeters (6.3 to 11.0 inches); light yellowish brown (10YR 6/4), dark brown (7.5YR 3/4), moist; gravelly silt loam; 31 percent sand; 55 percent silt; 15 percent clay; weak fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 21.0 very fine roots and 1.0 fine and medium roots; 21.0 very fine interstitial and tubular and 1.0 fine and medium pores; 10 percent clay films in root channels and/or pores; fragments; strongly acid, pH 5.2, unspecified; clear smooth boundary. Lab sample # 40A22882. discontinuous - phpvsfiid 1680410; discontinuous - phpvsfiid 1680410
    Bt1—28 to 44 centimeters (11.0 to 17.3 inches); light yellowish brown (10YR 6/4), dark brown (7.5YR 3/4), moist; gravelly silt loam; 28 percent sand; 55 percent silt; 17 percent clay; weak fine subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; 21.0 very fine roots and 1.0 fine and medium roots; 21.0 very fine interstitial and tubular and 1.0 fine and medium pores; clay films in root channels and/or pores; fragments; very strongly acid, pH 5.0, unspecified; abrupt irregular boundary. Lab sample # 40A22883. continuous - phpvsfiid 1680411; continuous - phpvsfiid 1680411
    Bt2—44 to 59 centimeters (17.3 to 23.2 inches); light yellowish brown (10YR 6/4), brown (7.5YR 4/4), moist; silt loam; 13 percent sand; 66 percent silt; 21 percent clay; massive; slightly hard, firm, moderately sticky, moderately plastic; 21.0 roots; 3.0 very fine tubular pores; clay films in root channels and/or pores; fragments; very strongly acid, pH 4.8, unspecified; abrupt irregular boundary. Lab sample # 40A22884. continuous - phpvsfiid 1680412; continuous - phpvsfiid 1680412
    R—59 to 94 centimeters (23.2 to 37.0 inches); dark gray (N 4/0) and yellowish red (5YR 5/6), very dark gray (N 3/0) and reddish brown (5YR 4/4), moist; bedrock; extremely hard; fragments; very strongly acid, pH 5.0, unspecified. Lab sample # 40A22885