IDENTIFIERS

  • Current Taxon Name (Soil Name): Martillo
  • OSD
  • Series Extent
  • User Site ID: S93TX377004
  • User Pedon ID: S93TX377004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - TAMU
  • Lab Pedon # - S93TX377004
  • 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: 29.8013535
  • Std. Longitude: -103.8176575
  • Datum: WGS84
  • Map Unit: MOA—Martillo and Butcherknife soils, 0 to 3 percent slopes
  • Country: US—United States
  • State: Texas
  • County: TX377—Presidio
  • MLRA: 42—Southern Desertic Basins, Plains, and Mountains
  • Non-MLRA Soil Survey Area: TX377—Presidio County, Texas
  • 7.5 Minute USGS Quad: 29103-G7—McKinney Mountain, Texas

    • PEDON

  • Describers Name: Rex Cochran, Tom Hallmark
  • Current Taxonomic Class: Fine, mixed, superactive, thermic Sodic Ustic Haplocambids
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Correlated Information:
  • Soil Name - Martillo
  • PSC - 25 to 100 cm.
  • Classificaton Date - 5/21/2012
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - aridic (torric)
  • Moisture Subclass - ustic
  • Sampled As Information:
  • Soil Name - Martillo-data
  • Classificaton Date - 3/9/1993
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/9/1993 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    cambic horizon

    0—10

    10—203

    —-

    —-
    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

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 10 centimeters (0.0 to 3.9 inches); light brown (7.5YR 6/3), 7.5YR (7.5YR/),, moist; clay loam; hard, friable, moderately sticky, moderately plastic; high excavation difficulty; 5.0 medium roots and 5.0 fine roots; 2 percent by volume subrounded strongly coherent cemented 2-?-20 millimeter tuff, unspecified fragments; slight effervescence, by hcl, 1n; abrupt smooth boundary. Lab sample # TAMU4757; observed in trench
    Bn1—10 to 30 centimeters (3.9 to 11.8 inches); brown (7.5YR 5/3), 7.5YR (7.5YR/),, moist; clay; very hard, firm, very sticky, very plastic; high excavation difficulty; 5.0 medium roots and 5.0 fine roots; 2 reversible trans-horizon cracks per meter with a width of 5 cm; 2 percent by volume subrounded strongly coherent cemented 2-?-20 millimeter tuff, unspecified fragments; strong effervescence, by hcl, 1n; abrupt wavy boundary. Lab sample # TAMU4758; observed in trench
    Bn2—30 to 43 centimeters (11.8 to 16.9 inches); brown (7.5YR 5/4), 7.5YR (7.5YR/),, moist; clay; very hard, firm, very sticky, very plastic; high excavation difficulty; 2.0 medium roots and 2.0 fine roots; 5 percent by volume subrounded strongly coherent cemented 2-?-20 millimeter tuff, unspecified fragments; 2 to 3 percent krotovinas (volume percent); strong effervescence, by hcl, 1n; clear wavy boundary. Lab sample # TAMU4759; observed in trench
    2Bn3—43 to 58 centimeters (16.9 to 22.8 inches); light brown (7.5YR 6/4), brown (7.5YR 5/4), moist; clay; very hard, firm, very sticky, very plastic; high excavation difficulty; 2.0 fine tubular pores; 10 percent by volume subrounded strongly coherent cemented 2-?-20 millimeter tuff, unspecified fragments; 2 to 5 percent krotovinas (volume percent); strong effervescence, by hcl, 1n; clear wavy boundary. Lab sample # TAMU4760; observed in trench
    2Bnz—58 to 86 centimeters (22.8 to 33.9 inches); brown (7.5YR 5/4), 7.5YR (7.5YR/),, moist; loam; very hard, firm, moderately sticky, moderately plastic; high excavation difficulty; 2.0 very fine tubular pores; 5 percent carbonate masses; 10 percent by volume subrounded strongly coherent cemented 2-?-20 millimeter tuff, unspecified fragments; strong effervescence, by hcl, 1n; gradual wavy boundary. Lab sample # TAMU4761; observed in trench
    3Bknz1—86 to 112 centimeters (33.9 to 44.1 inches); brown (7.5YR 5/4), 7.5YR (7.5YR/),, moist; loam; very hard, firm, moderately sticky, moderately plastic; high excavation difficulty; 2.0 very fine tubular pores; 5 percent carbonate masses; 12 percent by volume nonflat subrounded strongly coherent cemented 2-?-75 millimeter tuff, unspecified fragments; violent effervescence, by hcl, 1n; gradual wavy boundary. Lab sample # TAMU4762; observed in trench
    3Bknz2—112 to 140 centimeters (44.1 to 55.1 inches); brown (7.5YR 5/4), 7.5YR (7.5YR/),, moist; loam; very hard, firm, moderately sticky, moderately plastic; high excavation difficulty; 2.0 very fine tubular pores; 5 percent carbonate masses; 10 percent by volume nonflat subrounded strongly coherent cemented 2-?-75 millimeter tuff, unspecified fragments; strong effervescence, by hcl, 1n; gradual wavy boundary. Lab sample # TAMU4763; observed in trench
    4B'n1—140 to 163 centimeters (55.1 to 64.2 inches); brown (7.5YR 5/4), 7.5YR (7.5YR/),, moist; loam; very hard, firm, moderately sticky, moderately plastic; high excavation difficulty; 2.0 very fine tubular pores; 2 percent carbonate masses; 1 percent by volume nonflat subrounded strongly coherent cemented 75-?-250 millimeter tuff, unspecified fragments and 5 percent by volume nonflat subrounded strongly coherent cemented 2-?-75 millimeter tuff, unspecified fragments; strong effervescence, by hcl, 1n; gradual wavy boundary. Lab sample # TAMU4764; observed in trench
    5B'n2—163 to 183 centimeters (64.2 to 72.0 inches); reddish brown (2.5YR 5/4), 2.5YR (2.5YR/),, moist; clay loam; very hard, firm, moderately sticky, moderately plastic; high excavation difficulty; 5 percent carbonate masses; fragments; strong effervescence, by hcl, 1n; clear wavy boundary. Lab sample # TAMU4765; observed in trench. Discontinuous pebble band composed of coarse subrounded igneous gravel occurs at base of horizon
    6CBkn—183 to 203 centimeters (72.0 to 79.9 inches); light reddish brown (5YR 6/4), reddish brown (5YR 5/4), moist; silty clay loam; very hard, firm, moderately sticky, moderately plastic; high excavation difficulty; 5.0 medium roots and 5.0 fine roots; 8 percent carbonate masses; fragments; strong effervescence, by hcl, 1n. Lab sample # TAMU4766; observed in trench