IDENTIFIERS

  • Current Taxon Name (Soil Name): Jorge
  • OSD
  • Series Extent
  • User Site ID: 99CA693-006
  • User Pedon ID: S99CA061004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - NSSL
  • Lab Pedon # - 00P0046
  • NCSS Pedon Lab Data NASIS Record ID - 11554
  • Print Date: 2/17/2025

    • 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: 39.2270194
  • Std. Longitude: -120.1251639
  • Datum: WGS84
  • Map Unit: 7156—Jorge-Tahoma complex, 15 to 30 percent slopes
  • Non-MLRA Soil Survey Area: CA693—Tahoe Basin Area, California and Nevada

    • PEDON

  • Describers Name: LA, FFF
  • Current Taxonomic Class: Loamy-skeletal, isotic, frigid Andic Haploxeralfs
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 6
  • Correlated Information:
  • Soil Name - Jorge
  • Classificaton Date - 10/7/2005
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Jorge
  • Classificaton Date - 9/15/1999
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: colluvium over residuum weathered from andesite
  • Landform: mountain
  • Geomorphic Component Mountains: mountainbase
  • Hill Slope Profile: footslope
  • Bedrock: andesite
  • Surface Fragments: 20.00 percent nonflat 2- to 75-millimeter andesite, 7.00 percent nonflat 250- to 600-millimeter andesite, 3.00 percent nonflat 75- to 250-millimeter andesite,
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/15/1999 (actual site observation date)
  • Air Photo ID: 3
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - conifers
  • 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

    20

    —

    —

    2277

    —

    15

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 2 centimeters (0.0 to 0.8 inches); fragments.
    A—2 to 8 centimeters (0.8 to 3.1 inches); brown (10YR 4/3), dark brown (7.5YR 3/4), moist; very gravelly sandy loam; 60 percent sand; 31 percent silt; 9 percent clay; moderate very fine granular, and moderate fine granular structure; soft, friable, slightly sticky, slightly plastic; 4.0 very fine roots; 10 percent by volume nonflat 75-?-250 millimeter andesite fragments and 38 percent by volume nonflat 2-?-75 millimeter andesite fragments; slightly acid, pH 6.2, hellige-truog; clear smooth boundary.; moderately dry when described;
    Bw—8 to 25 centimeters (3.1 to 9.8 inches); brown (7.5YR 5/4), dark brown (7.5YR 3/4), moist; very gravelly sandy loam; 55 percent sand; 34 percent silt; 11 percent clay; weak medium subangular blocky, and weak fine subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; 1.0 very fine roots and 2.0 medium roots and 1.0 fine roots and 4.0 coarse roots; 7 percent by volume nonflat 75-?-250 millimeter andesite fragments and 46 percent by volume nonflat 2-?-75 millimeter andesite fragments; slightly acid, pH 6.3, hellige-truog; clear smooth boundary.; moderately dry when described;
    Bt1—25 to 43 centimeters (9.8 to 16.9 inches); brown (7.5YR 5/4), brown (7.5YR 4/4), moist; extremely gravelly sandy loam; 55 percent sand; 31 percent silt; 14 percent clay; weak coarse subangular blocky, and weak medium subangular blocky, and weak fine subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; 0.5 very fine roots and 1.0 medium roots and 0.3 fine roots and 1.0 coarse roots; 7 percent by volume nonflat 75-?-250 millimeter andesite fragments and 60 percent by volume nonflat 2-?-75 millimeter andesite fragments; slightly acid, pH 6.2, hellige-truog; clear smooth boundary.; moderately dry when described;
    Bt2—43 to 64 centimeters (16.9 to 25.2 inches); brown (7.5YR 5/4), brown (7.5YR 4/4), moist; very gravelly sandy loam; 55 percent sand; 33 percent silt; 12 percent clay; weak medium angular blocky, and weak fine angular blocky, and weak coarse blocky, and weak medium blocky, and weak fine blocky, and weak coarse angular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; 1.0 very fine roots and 1.0 medium roots and 0.1 fine roots and 1.0 coarse roots; 1 percent by volume nonflat 75-?-250 millimeter andesite fragments and 50 percent by volume nonflat 2-?-75 millimeter andesite fragments; slightly acid, pH 6.3, hellige-truog; clear smooth boundary.; slightly dry when described;
    Bt3—64 to 94 centimeters (25.2 to 37.0 inches); brown (7.5YR 5/4), brown (7.5YR 4/4), moist; extremely gravelly sandy loam; 55 percent sand; 33 percent silt; 12 percent clay; weak coarse subangular blocky, and weak medium subangular blocky, and weak coarse angular blocky, and weak medium angular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 1.0 very fine roots and 1.0 very coarse roots and 1.0 medium roots and 0.3 fine roots and 1.0 coarse roots; 2 percent by volume nonflat 75-?-250 millimeter andesite fragments and 61 percent by volume nonflat 2-?-75 millimeter andesite fragments; slightly acid, pH 6.4, hellige-truog; clear smooth boundary.; slightly dry when described;
    C1—94 to 112 centimeters (37.0 to 44.1 inches); brown (7.5YR 5/4), brown (7.5YR 4/4), moist; gravelly sandy loam; 55 percent sand; 34 percent silt; 11 percent clay; weak coarse angular blocky, and weak medium angular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 0.3 very fine roots and 1.0 fine roots; nonflat 75-?-250 millimeter andesite fragments and nonflat 2-?-75 millimeter andesite fragments; slightly acid, pH 6.4, hellige-truog; diffuse smooth boundary.; slightly dry when described;
    C2—112 to 155 centimeters (44.1 to 61.0 inches); brown (7.5YR 5/4), brown (7.5YR 4/4), moist; very stony sandy loam; massive; slightly hard, friable, slightly sticky, slightly plastic; 0.1 very fine roots and 0.1 fine roots; 10 percent by volume nonflat 75-?-250 millimeter andesite fragments and 15 percent by volume nonflat 2-?-75 millimeter andesite fragments and 30 percent by volume nonflat 250-?-600 millimeter andesite fragments; slightly acid, pH 6.4, hellige-truog; diffuse smooth boundary.; slightly dry when described;