IDENTIFIERS

  • Current Taxon Name (Soil Name): UNNAMED
  • OSD
  • Series Extent
  • User Site ID: S1996CA005001
  • User Pedon ID: 96CA005001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 97P0065
  • Print Date: 4/28/2024

    • LOCATION

  • Township: 5N
  • Range: 10E
  • Section: 16
  • PLSS Details: about 170 feet north and 230 feet east of the SW corner of the SW 1/4, NW 1/4, SW 1/4
  • Location Description: About 1 1/4 miles SE of Buena Vista on Buena Vista Road or about 300 feet southeast on a dirt road from the intersection the N/S dirt road along the section line between sections 16 and 17. (SE 1/4 Grid D9).
  • State: California
  • County: CA005—Amador
  • Non-MLRA Soil Survey Area: CA628—Amador Area, California

    • PEDON

  • Describers Name: Terry D. Cook, William Westerling.
  • Current Taxonomic Class: Loamy, parasesquic, thermic, shallow Typic Haploxerults
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - UNNAMED
  • PSC - 2 to 45 cm.
  • Classificaton Date - 1/17/2024
  • 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 - 2 to 45 cm.
  • Classificaton Date - 5/2/1996
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: terrace
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: moderately well
  • Surface Fragments: 3.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

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

    plinthite

    petroferric

    bedrock, paralithic

    —

    —

    moderately coherent

    45 - 60

    45 -

    60 - 180

    - 15 -

    —

    - 120 -

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

    ochric epipedon

    argillic horizon

    plinthite

    petroferric contact

    paralithic materials

    paralithic contact

    0—2

    2—45

    45—60

    45—

    60—180

    60—

    —2—

    —43—

    —15—

    —-

    —120—

    —-
    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

    22

    —

    —

    117

    —

    0

    500

    —

    —

    16

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 2 centimeters (0.0 to 0.8 inches); light reddish brown (5YR 6/4) and reddish brown (5YR 5/4), reddish brown (2.5YR 4/4), moist; very cobbly fine sandy loam; 52 percent sand; 31 percent silt; 17 percent clay; moderate thick platy structure; hard, friable, slightly sticky, slightly plastic; 3.0 very fine and fine roots and 0.5 medium roots; 3.0 very fine and fine tubular pores; 25 percent by volume subrounded 2-39-75 millimeter sandstone, unspecified fragments and 25 percent by volume subrounded 2-39-75 millimeter quartzite fragments; extremely acid, pH 4.1, hellige-truog; abrupt wavy boundary. Lab sample # 97P00392. Petroplinthitic gravel also present.
    Bt—2 to 15 centimeters (0.8 to 5.9 inches); light reddish brown (2.5YR 6/4), dark red (2.5YR 3/6), moist; clay loam; 41 percent sand; 30 percent silt; 29 percent clay; moderate medium prismatic parts to moderate coarse subangular blocky structure; hard, 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 pores; 30 percent clay films on faces of peds and in pores; fragments; extremely acid, pH 4.1, hellige-truog; abrupt wavy boundary. Lab sample # 97P00393. continuous - phpvsfiid 183218; continuous - phpvsfiid 183218
    BCt—15 to 45 centimeters (5.9 to 17.7 inches); brownish yellow (10YR 6/8) sandy clay loam; 50 percent sand; 21 percent silt; 29 percent clay; weak very coarse prismatic structure; hard, very firm, slightly sticky, slightly plastic; 0.5 very fine and fine roots in cracks and 0.5 medium and coarse roots in cracks; 3.0 very fine tubular pores; strong brown (7.5YR 5/8), moist, coats on faces of peds and gray (10YR 6/1), moist, coats on faces of peds and light brownish gray (10YR 6/2), moist, coats on faces of peds and dark red (2.5YR 3/6), moist, coats on faces of peds and 10 percent clay films on faces of peds; fragments; extremely acid, pH 4.1, hellige-truog; abrupt smooth boundary. Lab sample # 97P00394. continuous - phpvsfiid 183219; continuous - phpvsfiid 183220; continuous - phpvsfiid 183221; continuous - phpvsfiid 183222; continuous - phpvsfiid 183223; continuous - phpvsfiid 183219; continuous - phpvsfiid 183220; continuous - phpvsfiid 183221; continuous - phpvsfiid 183222; continuous - phpvsfiid 183223; Discontinuous 1 to 5 cm thick broken band or strata of petroplinthite.
    2Cv—45 to 60 centimeters (17.7 to 23.6 inches); yellowish brown (10YR 5/4) crushed, dark yellowish brown (10YR 3/6) and very dark grayish brown (10YR 3/2), moist; loam; 47 percent sand; 36 percent silt; 17 percent clay; massive; very hard, very firm, slightly sticky, slightly plastic; 0.5 very fine and fine roots in cracks and 0.5 medium and coarse roots in cracks; fragments; extremely acid, pH 3.8, hellige-truog; abrupt smooth boundary. Lab sample # 97P00395. Crushes with various degrees of difficulty and appears to range from 20 to 25 percent petroplinthic fragments.
    2Crv—60 to 100 centimeters (23.6 to 39.4 inches); red (10R 4/8) crushed, red (10R 4/8), moist; bedrock; 24 percent sand; 43 percent silt; 32 percent clay; massive; very hard, very firm, moderately sticky, moderately plastic; fragments; extremely acid, pH 3.6, hellige-truog; abrupt wavy boundary. Lab sample # 97P00396. Weakly consolidated clayey sediments; rock structure.
    3Crl—100 to 150 centimeters (39.4 to 59.1 inches); pale yellow (2.5Y 8/2) crushed and pale olive (5Y 6/3) bedrock; 25 percent sand; 53 percent silt; 21 percent clay; massive; very hard, very firm, slightly sticky, moderately plastic; yellowish brown (10YR 5/6), moist, coats in root channels and/or pores; fragments; extremely acid, pH 3.7, hellige-truog; abrupt smooth boundary. Lab sample # 97P00397. Weakly consolidated clayey sediments; rock structure.; continuous - phpvsfiid 183224; continuous - phpvsfiid 183224
    4Cr2—150 to 180 centimeters (59.1 to 70.9 inches); white (N 8/0), gray (N 6/0), moist; bedrock; 47 percent sand; 39 percent silt; 14 percent clay; massive; very hard, very firm, slightly sticky, moderately plastic; fragments; extremely acid, pH 3.8, hellige-truog. Lab sample # 97P00398. Weakly consolidated clayey sediments, rock structure.