IDENTIFIERS

  • Current Taxon Name (Soil Name): UNNAMED
  • OSD
  • Series Extent
  • User Site ID: S1996CA005008
  • User Pedon ID: 96CA005008
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 97P0072
  • Print Date: 4/28/2024

    • LOCATION

  • Location Description: About 1 1/4 miles SE of Buena Vista on Buena Vista Road; on the north edge of a narrow dirt road 120 feet northeast of the main northern E/W dirt road, 1020 feet west from the Y intersection near the center of the NE 1/4, SE 1/4, or 970 feet east of the N/S road along the western boundary; the ""Y"" is also about in the center of the ACEC; near the center of the NE 1/4, NE 1/4, NE 1/4, NW 1/4, SE 1/4 of Sec. 17, MDBM. (NE 1/4 Grid A4).
  • State: California
  • County: CA005—Amador
  • Non-MLRA Soil Survey Area: CA628—Amador Area, California

    • PEDON

  • Describers Name: Terry D. Cook and William Westering.
  • Current Taxonomic Class: Loamy, mixed, semiactive, thermic, shallow Typic Haploxerults
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 8
  • Correlated Information:
  • Soil Name - UNNAMED
  • PSC - 16 to 33 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 - Fine-loamy, mixed, shallow Typic Haploxerults
  • PSC - 16 to 33 cm.
  • Classificaton Date - 5/4/1996
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: hills
  • Landform: terrace
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: medium
  • Drainage Class: well
  • Surface Fragments: 1.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/4/1996 (actual site observation date)
  • Air Photo ID: 10-2-5
  • 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

    petroferric

    bedrock, paralithic

    —

    —

    33 - 53

    33 - 185

    - 20 -

    - 152 -

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

    ochric epipedon

    argillic horizon

    petroferric contact

    paralithic contact

    paralithic materials

    0—16

    16—33

    33—

    33—

    33—185

    —16—

    —17—

    —-

    —-

    —152—
    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

    2

    —

    —

    107

    —

    0

    500

    —

    —

    16

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 4 centimeters (0.0 to 1.6 inches); reddish brown (5YR 5/3), dark reddish brown (5YR 3/3), moist; fine sandy loam; 72 percent sand; 22 percent silt; 5 percent clay; weak thick platy parts to weak medium and coarse subangular blocky structure; slightly hard, very friable, nonsticky, nonplastic; 0.1 very fine and fine roots and 0.1 medium and coarse roots; 3.0 very fine and fine tubular and 21.0 very fine interstitial pores; 10 percent by volume subrounded 2-39-75 millimeter unspecified fragments; strongly acid, pH 5.2, hellige-truog; clear wavy boundary. Lab sample # 97P00434. 10 percent subrounded and rounded quartzitic and petrplinthitic gravel 2 mm to 3 inches in size.
    AB—4 to 16 centimeters (1.6 to 6.3 inches); light reddish brown (5YR 6/4), reddish brown (5YR 4/4), moist; fine sandy loam; 73 percent sand; 21 percent silt; 6 percent clay; weak medium and coarse subangular blocky structure; slightly hard, very friable, nonsticky, nonplastic; 0.1 very fine and fine roots and 0.1 medium and coarse roots; 0.5 very fine and fine tubular and 3.0 very fine interstitial pores; 10 percent by volume subrounded 2-39-75 millimeter quartzite fragments; strongly acid, pH 5.1, hellige-truog; clear wavy boundary. Lab sample # 97P00435. 10 percent petroplinthitic gravel 2 cm to 3 inches in size.
    Bt1—16 to 27 centimeters (6.3 to 10.6 inches); light reddish brown (5YR 6/4), yellowish red (5YR 4/6), moist; gravelly fine sandy loam; 67 percent sand; 23 percent silt; 10 percent clay; moderate medium and coarse subangular blocky structure; friable, slightly sticky, slightly plastic; 0.5 very fine and fine roots and 0.5 medium and coarse roots; 3.0 very fine and fine tubular and 0.5 medium tubular pores; 30 percent clay films on sand and gravel and 30 percent clay bridges on sand and gravel; 5 percent by volume 75-162-250 millimeter unspecified fragments and 10 percent by volume subrounded 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.8, hellige-truog; clear wavy boundary. Lab sample # 97P00436. 10 percent subrounded and rounded petroplinthitic and few quartzitic gravel 2 mm to 3 inches in size, 5 percent fragments up to 10 inches in size.
    Bt2—27 to 33 centimeters (10.6 to 13.0 inches); reddish yellow (5YR 6/6), yellowish red (5YR 5/6), moist; gravelly fine sandy loam; 60 percent sand; 23 percent silt; 17 percent clay; weak fine and medium subangular blocky structure; friable, slightly sticky, moderately plastic; 0.1 very fine and fine roots and 0.1 medium and coarse roots; 0.5 very fine and fine tubular pores; 10 percent clay films on faces of peds and 30 percent clay films in root channels and/or pores; 5 percent by volume 75-162-250 millimeter unspecified fragments and 10 percent by volume subrounded 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.5, hellige-truog; abrupt irregular boundary. Lab sample # 97P00437. 10 percent subrounded and rounded petroplinthitic and few quartzitic gravel 2 mm to 3 inches in size.
    2Bvm/2Cr—33 to 53 centimeters (13.0 to 20.9 inches);, weak red (10R 4/3), moist; bedrock; 57 percent sand; 29 percent silt; 14 percent clay; massive; extremely hard; 0.5 roots; fragments; abrupt wavy boundary. Lab sample # 97P00438. Indurated or cemented (?), extremely hard strata or layers that may be petroplinthite or sandstone; roots follow fracture planes.
    3Bv1/3Cr—53 to 150 centimeters (20.9 to 59.1 inches); pinkish gray (5YR 6/2) and light gray (5YR 7/1) and strong brown (7.5YR 5/8) and brownish yellow (10YR 6/8) and yellowish brown (10YR 5/6) and yellowish brown (10YR 5/8) and red (2.5YR 4/6) and dark red (2.5YR 3/6) and red (10R 4/8) and dusky red (10R 3/4) bedrock; 48 percent sand; 33 percent silt; 19 percent clay; extremely hard; brittle; fragments; extremely acid, pH 3.9, hellige-truog; abrupt irregular boundary. Lab sample # 97P00439. Variegated mixed horizontal strata or reticulate lenticular lenses interlayered with extremely hard, brittle, plinthitic, sandstone, slate or cemented clays.
    3Bv2/4Cr—150 to 185 centimeters (59.1 to 72.8 inches); reddish gray (5YR 5/2) and light gray (10YR 7/1) and strong brown (7.5YR 5/8) and brownish yellow (10YR 6/8) and yellowish brown (10YR 5/6) and yellowish brown (10YR 5/8) and red (2.5YR 4/6) and dark red (2.5YR 3/6) and red (10R 4/8) and dusky red (10R 3/4) bedrock; 42 percent sand; 38 percent silt; 20 percent clay; hard; brittle; fragments; extremely acid, pH 3.9, hellige-truog. Lab sample # 97P00440. Variegated multiple mixed horizontal strata or reticulate lenticular lenses interlayered with soft to hard, brittle, plinthitic, sandstone, slate or cemented clays.