IDENTIFIERS

  • Current Taxon Name (Soil Name): Tonio
  • OSD
  • Series Extent
  • User Site ID: S2002-TX505-002
  • User Pedon ID: 02TX505002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 03N0178
  • NCSS Pedon Lab Data NASIS Record ID - 15689
  • Print Date: 5/29/2024

    • 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: 26.7281666
  • Std. Longitude: -99.1252747
  • Datum: WGS84
  • Location Description: From the intersection of state highway 16 and US highway 83 in Zapata, TX, 19.6 miles south on US highway 83, 1.75 miles west on ranch road, .72 miles east along pipeline, 100 feet south in pasture.
  • Country: US—United States
  • State: Texas
  • County: TX505—Zapata
  • MLRA: 83B—Western Rio Grande Plain
  • Regional Office: SC—South Central
  • Non-MLRA Soil Survey Area: TX505—Zapata County, Texas
  • 7.5 Minute USGS Quad: 26099-F1—Lopeno, Texas

    • PEDON

  • Describers Name: Ramiro Molina, Nathan Haile, Wayne Gabriel, Dennis Brezina, Maurice Jurena, Paul Holland, and Jamey Douglass
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, hyperthermic Calcidic Haplustalfs
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 2
  • Sampled As Information:
  • Soil Name - Tonio
  • Taxonomic Class - Fine-loamy, mixed, superactive, hyperthermic Calcidic Haplustalfs
  • PSC - 9 to 59 cm.
  • Classificaton Date - 10/8/2002
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Hill Slope Profile: summit
  • Slope Position: upper third
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: low
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: moderately coherent sandstone, unspecified at 132cm with <10
  • Geology: Laredo Formation formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/8/2002 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - overcast
  • Current Air Temp - 32
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, paralithic

    moderately coherent

    132 - 141

    —
    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

    1.5

    —

    —

    121.3

    —

    185

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A1—0 to 5 centimeters (0.0 to 2.0 inches); light yellowish brown (10YR 6/4), yellowish brown (10YR 5/4), moist; loam; 22 percent clay; moderate medium subangular blocky parts to moderate fine subangular blocky structure; slightly hard, friable; 5.0 very fine roots throughout and 3.0 medium roots throughout and 4.0 fine roots throughout; 3.0 very fine tubular pores; 2 percent shell fragments; fragments; strong effervescence; moderately alkaline, pH 8.2; abrupt smooth boundary. Lab sample # 03N00939
    A2—5 to 9 centimeters (2.0 to 3.5 inches); brown (10YR 4/3), dark grayish brown (10YR 4/2), moist; sandy clay loam; 25 percent clay; weak medium subangular blocky structure; moderately hard, firm; 4.0 very fine roots throughout and 2.0 medium roots throughout and 4.0 fine roots throughout; 3.0 very fine tubular pores; 3 percent fine carbonate masses; fragments; strong effervescence; moderately alkaline, pH 8.2; abrupt smooth boundary. Lab sample # 03N00940
    Bt—9 to 42 centimeters (3.5 to 16.5 inches); brown (10YR 4/3), dark grayish brown (10YR 4/2), moist; clay loam; 28 percent clay; moderate medium subangular blocky structure; moderately hard, firm; 5.0 very fine roots throughout and 3.0 medium roots throughout and 4.0 fine roots throughout; 3.0 very fine tubular pores; 15 percent distinct dark grayish brown (10YR 4/2), moist, clay films on vertical faces of peds; 2 percent fine carbonate masses; fragments; strong effervescence; moderately alkaline, pH 8.1; clear wavy boundary. Lab sample # 03N00941. discontinuous - phpvsfiid 242550; discontinuous - phpvsfiid 242550
    Btk—42 to 60 centimeters (16.5 to 23.6 inches); light yellowish brown (2.5Y 6/4), dark grayish brown (2.5Y 4/2), moist; clay loam; 27 percent clay; moderate medium subangular blocky structure; very hard, firm; 3.0 very fine roots throughout and 1.0 medium roots throughout and 3.0 fine roots throughout; 2.0 very fine tubular pores; 15 percent faint dark grayish brown (2.5Y 4/2), moist, clay films on vertical faces of peds; 1 percent shell fragments and 5 percent fine carbonate masses and 3 percent fine carbonate nodules; fragments; violent effervescence; moderately alkaline, pH 8.3; clear wavy boundary. Lab sample # 03N00942. discontinuous - phpvsfiid 242549; discontinuous - phpvsfiid 242549
    Bk1—60 to 98 centimeters (23.6 to 38.6 inches); light yellowish brown (2.5Y 6/4), light olive brown (2.5Y 5/4), moist; sandy clay loam; weak medium subangular blocky structure; moderately hard, friable; 2.0 very fine roots throughout and 1.0 fine roots throughout; 2.0 very fine tubular pores; 2 percent shell fragments in matrix and 4 percent fine carbonate nodules and 4 percent fine carbonate masses; fragments; violent effervescence; moderately alkaline, pH 8.3; abrupt wavy boundary. Lab sample # 03N00943. Along with shell fragments, complete snail shells were described, 2-7mm throughout horizon
    Bk2—98 to 132 centimeters (38.6 to 52.0 inches); pale yellow (2.5Y 7/4), light yellowish brown (2.5Y 6/4), moist; sandy clay loam; 23 percent clay; moderate medium subangular blocky structure; slightly hard, friable; 2.0 very fine roots throughout; 2.0 very fine tubular pores; 1 percent fine shell fragments and 4 percent fine carbonate nodules and 8 percent fine carbonate masses; fragments; strong effervescence; moderately alkaline, pH 8.0; abrupt wavy boundary. Lab sample # 03N00944. 5% 2.5y 7/3 dry Cr material described in matrix
    Cr—132 to 141 centimeters (52.0 to 55.5 inches); pale yellow (2.5Y 7/3); massive; moderately coherent; 3 percent fine carbonate, finely disseminated throughout; fragments; slight effervescence; slightly alkaline, pH 7.8; abrupt wavy boundary. Lab sample # 03N00945. After running the rupture resistance test (block type) it was determined that the sandstone is paralithic moderately cemented.
    Ck1—141 to 170 centimeters (55.5 to 66.9 inches); pale yellow (2.5Y 7/4); massive; noncoherent; 3 percent fine carbonate nodules and 3 percent fine carbonate masses; fragments; strong effervescence; moderately alkaline, pH 8.1; gradual smooth boundary. Lab sample # 03N00946
    Ck2—170 to 211 centimeters (66.9 to 83.1 inches); pale yellow (2.5Y 7/4); massive; noncoherent; 3 percent fine carbonate masses and 1 percent very fine carbonate masses; fragments; strong effervescence; moderately alkaline, pH 8.1; abrupt wavy boundary. Lab sample # 03N00947. Very fine calcium carbonate theads, 1% described throughout horizon
    R—211 to 218 centimeters (83.1 to 85.8 inches); 90 percent pale yellow (2.5Y 7/3) and 10 percent yellow (2.5Y 7/6); massive; strongly coherent; 2 percent fine carbonate, finely disseminated; fragments; slight effervescence; moderately alkaline, pH 7.9. Lab sample # 03N00948. This horizon was designated an R horizon after running the block type test for rupture resistance to determine cemented class. The results of the sandstone was a strongly cemented class with fractures greater than 10 cm apart.