IDENTIFIERS

  • Current Taxon Name (Soil Name): UNNAMED
  • OSD
  • Series Extent
  • User Site ID: S1996CA005009
  • User Pedon ID: 96CA005009
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 97P0073
  • Print Date: 4/28/2024

    • LOCATION

  • Township: 5N
  • Range: 10E
  • Section: 17
  • PLSS Details: About 1 1/4 miles SE of Buena Vista on Buena Vista Road; 15 feet south of the northern E/W dirt road, 860 feet easterly from the intersection with N/S road along the western boundary; near the center of the SW 1/4, NW 1/4, NE 1/4, NW 1/4, SE 1/4
  • Location Description: (NW 1/4 Grid B2).
  • State: California
  • County: CA005—Amador
  • Non-MLRA Soil Survey Area: CA628—Amador Area, California

    • PEDON

  • Describers Name: Terry D. Cook and William Westerling.
  • Current Taxonomic Class: Clayey, kaolinitic, thermic, shallow Typic Haploxerults
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 9
  • Correlated Information:
  • Soil Name - UNNAMED
  • PSC - 7 to 40 cm.
  • Classificaton Date - 1/25/2024
  • Classifier - Cathy Scott
  • Soil Taxonomic Edition - thirteenth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - UNNAMED
  • Taxonomic Class - Clayey, kaolinitic, shallow Typic Haploxerults
  • PSC - 7 to 40 cm.
  • Classificaton Date - 5/4/1996
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: hills
  • Landform: terrace
  • Slope Position: on a slope
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: well
  • Surface Fragments: 9.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/4/1996 (actual site observation date)
  • Air Photo ID: 10-2-6
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - other
  • 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

    —

    40 - 195

    - 155 -

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

    ochric epipedon

    argillic horizon

    kandic horizon

    paralithic contact

    paralithic materials

    0—7

    7—40

    20—40

    40—

    40—195

    —7—

    —33—

    —20—

    —-

    —155—
    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

    5

    —

    —

    110

    —

    135

    500

    —

    —

    16

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 7 centimeters (0.0 to 2.8 inches); pinkish gray (5YR 6/2), dark reddish gray (5YR 4/2), moist; gravelly fine sandy loam; 68 percent sand; 14 percent silt; 19 percent clay; moderate very thick platy parts to weak medium and coarse subangular blocky structure; slightly hard, very friable, nonsticky, nonplastic; 0.5 very fine and fine roots and 3.0 medium and coarse roots; 3.0 very fine and fine tubular and 3.0 very fine interstitial pores; 20 percent by volume 2-39-75 millimeter quartzite fragments; very strongly acid, pH 4.8, hellige-truog; abrupt wavy boundary. Lab sample # 97P00441. Few subrounded and rounded petroplinthitic fragments.
    Bt1—7 to 20 centimeters (2.8 to 7.9 inches); pink (5YR 7/3), reddish brown (5YR 4/4) and brown (7.5YR 4/4), moist; gravelly loam; 40 percent sand; 15 percent silt; 45 percent clay; moderate medium and coarse subangular blocky structure; slightly hard, very friable, slightly sticky, slightly plastic; 0.5 fine and medium roots and 0.5 coarse roots; 3.0 very fine and fine tubular and 0.5 medium tubular pores; 10 percent clay films on sand and gravel; 25 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.8, hellige-truog; clear irregular boundary. Lab sample # 97P00442. 25 percent mostly quartzitic gravel with a mixture of sandstone, petroplinthite, and shale fragments of the Ione Fm.
    Bt2—20 to 40 centimeters (7.9 to 15.7 inches); light reddish brown (5YR 6/4), yellowish red (5YR 5/6) and strong brown (7.5YR 5/6), moist; gravelly clay; 31 percent sand; 7 percent silt; 62 percent clay; weak fine and medium subangular blocky structure; slightly hard, friable, slightly sticky, moderately plastic; 0.5 fine and medium roots and 0.5 coarse roots; 3.0 very fine and fine tubular and 3.0 medium tubular pores; 10 percent clay films on faces of peds and 30 percent clay films in root channels and/or pores; 30 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.8, hellige-truog; clear irregular boundary. Lab sample # 97P00443. 30 percent mostly quartzitic gravel mixture of sandstone, petroplinthite, and shale fragments of the Ione Fm.
    2Crv/2Bv1—40 to 87 centimeters (15.7 to 34.3 inches); 75 percent brownish yellow (10YR 6/6) and brownish yellow (10YR 6/8) and yellowish brown (10YR 5/6) and 12 percent red (2.5YR 4/6) and dark red (2.5YR 3/6) and red (10R 4/6), 12 percent light brownish gray (10YR 6/2) and gray (10YR 6/1), moist; bedrock; 38 percent sand; 4 percent silt; 59 percent clay; massive; firm, nonsticky, very plastic; 0.1 fine roots in cracks; 10 percent clay films; fragments; very strongly acid, pH 4.9, hellige-truog; clear wavy boundary. Lab sample # 97P00444. Variegated and reticulate lenticular masses. Clay films line fracture planes.
    2Crv/2Bv2—87 to 133 centimeters (34.3 to 52.4 inches); 75 percent red (2.5YR 4/6) and dark red (2.5YR 3/6) and red (10R 4/6) and 12 percent brownish yellow (10YR 6/6) and brownish yellow (10YR 6/8) and yellowish brown (10YR 5/6), 12 percent light brownish gray (10YR 6/2) and gray (10YR 6/1) and light gray (N 7/0), moist; bedrock; 38 percent sand; 7 percent silt; 55 percent clay; massive; firm, nonsticky, very plastic; 0.1 fine roots in cracks; 10 percent clay films; fragments; very strongly acid, pH 4.9, hellige-truog; clear wavy boundary. Lab sample # 97P00445. Variegated and reticulate lenticular masses; films line fracture planes.
    3Cr—133 to 195 centimeters (52.4 to 76.8 inches); pinkish gray (5YR 6/2) and yellowish red (5YR 4/6) and dark reddish brown (5YR 3/4) bedrock; 63 percent sand; 15 percent silt; 22 percent clay; massive; extremely hard, extremely firm*; fragments; very strongly acid, pH 4.8, hellige-truog. Lab sample # 97P00446. Mixed weakly to strongly consolidated sediments with equal proportions of all matrix colors.