IDENTIFIERS

  • Current Taxon Name (Soil Name): Brennan
  • OSD
  • Series Extent
  • User Site ID: S2001-TX505-001
  • User Pedon ID: S2001TX505001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 02N0636
  • NCSS Pedon Lab Data NASIS Record ID - 14253
  • Print Date: 12/11/2024

    • 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: 26.8357506
  • Std. Longitude: -99.1754456
  • Datum: WGS84
  • Location Description: From the intersection of US highway 83 and Texas Highway 16 in Zapata, 8.3 miles South on US highway 83,.25 miles Northeast on private ranch road, and 100 feet south in rangeland.
  • Country: US—United States
  • State: Texas
  • County: TX505—Zapata
  • MLRA: 83B—Western Rio Grande Plain
  • Non-MLRA Soil Survey Area: TX505—Zapata County, Texas
  • 7.5 Minute USGS Quad: 26099-G2—Arroyo Clareno, Texas

    • PEDON

  • Describers Name: Alan Stahnke, Ramiro Molina, Paul Holland, Dennis Brezina, Maurice Jurena, Shanna Dunn, Conrad Neitsch
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, hyperthermic Aridic Haplustalfs
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 1
  • Sampled As Information:
  • Soil Name - Brennan
  • Taxonomic Class - Fine-loamy, mixed, superactive, hyperthermic Aridic Haplustalfs
  • PSC - 53 to 103 cm.
  • Classificaton Date - 10/22/2001
  • Soil Taxonomic Edition - eighth edition
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Hill Slope Profile: backslope
  • Slope Position: middle third
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Runoff: very low
  • Geology: Eolian formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/22/2001 (actual site observation date)
  • Air Photo ID: F8
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - shrub cover
  • Site Obs. Cover Kind 2 - rangeland, shrubby
  • 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

    2

    —

    —

    —

    —

    180

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A1—0 to 7 centimeters (0.0 to 2.8 inches); brown (10YR 5/3), dark brown (10YR 3/3), moist; fine sandy loam; weak medium platy parts to fine granular parts to medium granular structure; soft, very friable, nonsticky, nonplastic; 1.0 medium roots throughout and 2.0 fine roots throughout; 1.0 very fine dendritic tubular and 1.0 medium dendritic tubular and 1.0 fine dendritic tubular pores; fragments; noneffervescent; clear smooth boundary. Lab sample # 02N03200
    A2—7 to 26 centimeters (2.8 to 10.2 inches); brown (10YR 4/3), dark grayish brown (10YR 4/2), moist; fine sandy loam; moderate medium subangular blocky parts to moderate coarse subangular blocky structure; soft, very friable, nonsticky, nonplastic; 3.0 very fine roots throughout and 2.0 medium roots throughout and 3.0 fine roots throughout; 2.0 medium dendritic tubular and 2.0 fine dendritic tubular and 2.0 coarse dendritic tubular pores; fragments; noneffervescent; clear smooth boundary. Lab sample # 02N03201
    Btk1—26 to 53 centimeters (10.2 to 20.9 inches); brown (10YR 4/3), dark grayish brown (10YR 4/2), moist; sandy clay loam; moderate coarse prismatic parts to moderate coarse subangular blocky structure; hard, firm, slightly sticky, slightly plastic; 3.0 very fine roots throughout and 1.0 medium roots throughout and 1.0 fine roots throughout; 1.0 medium tubular and 1.0 fine tubular pores; 10 percent faint clay films on all faces of peds; 1 percent shell fragments and 1 percent irregular carbonate masses and 1 percent irregular insect casts and 3 percent threadlike carbonate, finely disseminated; fragments; slight effervescence; gradual wavy boundary. Lab sample # 02N03202
    Btk2—53 to 90 centimeters (20.9 to 35.4 inches); yellowish brown (10YR 5/4), dark yellowish brown (10YR 4/4), moist; sandy clay loam; weak coarse prismatic parts to weak medium subangular blocky parts to weak coarse subangular blocky structure; hard, firm, slightly sticky, slightly plastic; 2.0 very fine roots throughout and 1.0 fine roots throughout; 1.0 medium tubular and 1.0 fine tubular pores; 4 percent faint clay bridges between sand grains; 1 percent shell fragments and 1 percent irregular carbonate masses and 1 percent irregular insect casts and 5 percent threadlike carbonate, finely disseminated; fragments; strong effervescence; gradual wavy boundary. Lab sample # 02N03203
    Bk—90 to 128 centimeters (35.4 to 50.4 inches); yellowish brown (10YR 5/4), dark yellowish brown (10YR 4/4), moist; sandy clay loam; weak coarse prismatic parts to weak medium subangular blocky parts to weak coarse subangular blocky structure; hard, firm, slightly sticky, slightly plastic; 1.0 very fine roots throughout; 1.0 medium tubular and 1.0 fine tubular pores; 1 percent shell fragments and 1 percent irregular carbonate masses and 5 percent threadlike carbonate, finely disseminated and 1 percent irregular insect casts; fragments; strong effervescence; gradual smooth boundary. Lab sample # 02N03204
    BCk1—128 to 159 centimeters (50.4 to 62.6 inches); very pale brown (10YR 7/4), light yellowish brown (10YR 6/4), moist; sandy clay loam; weak coarse subangular blocky parts to weak fine subangular blocky structure; moderately hard, friable, slightly sticky, nonplastic; 1.0 very fine roots throughout; 1.0 medium tubular and 1.0 fine tubular pores; 1 percent shell fragments and 1 percent medium irregular carbonate masses and 3 percent medium carbonate, finely disseminated; fragments; strong effervescence; gradual smooth boundary. Lab sample # 02N03205
    BCk2—159 to 188 centimeters (62.6 to 74.0 inches); very pale brown (10YR 7/4), light yellowish brown (10YR 6/4), moist; fine sandy loam; weak coarse subangular blocky parts to weak fine subangular blocky structure; slightly hard, very friable, slightly sticky, nonplastic; 1.0 medium tubular and 1.0 fine tubular pores; 1 percent shell fragments and 1 percent medium carbonate masses and 3 percent medium carbonate, finely disseminated; fragments; strong effervescence; clear smooth boundary. Lab sample # 02N03206
    BCk3—188 to 209 centimeters (74.0 to 82.3 inches); brownish yellow (10YR 6/6), yellowish brown (10YR 5/4), moist; fine sandy loam; weak fine subangular blocky structure; soft, very friable, slightly sticky, nonplastic; 1.0 medium tubular and 1.0 fine tubular pores; 1 percent irregular insect casts and 1 percent shell fragments and 2 percent medium carbonate masses; fragments; strong effervescence. Lab sample # 02N03207