IDENTIFIERS

  • Current Taxon Name (Soil Name): Sarnosa
  • OSD
  • Series Extent
  • User Site ID: S1991TX297004
  • User Pedon ID: S1991TX297004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 91P0524
  • NCSS Pedon Lab Data NASIS Record ID - 63566
  • Print Date: 11/12/2024
  • 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: 28.2752778
  • Std. Longitude: -98.0786111
  • Datum: WGS84
  • Location Description: Typical Pedon Sarnosa fine sandy loam, 3 to 8 percent slopes (fig. 30); in Live Oak County, Texas; from the intersection of U.S. Highway 281 and U.S. Highway 59 in George West, south on U.S. Highway 281 1.6 miles, east and south on county road 3.5 miles, northeast on private road 600 feet and 150 feet southeast in rangeland; USGS George West, Texas topographic quadrangle; lat. 28 degrees 16 minutes 31 seconds N. and long. 98 degrees 4 minutes 43 seconds W. Dr. Clark
  • State: Texas
  • County: TX297—Live Oak
  • MLRA: 83C—Central Rio Grande Plain
  • Non-MLRA Soil Survey Area: TX297—Liveoak County, Texas
  • 7.5 Minute USGS Quad: 28098-C1—George West, Texas
  • PEDON

  • Describers Name: Neitsch,Holland,Molina, Lovelace,Wiedenfeld
  • Current Taxonomic Class: Coarse-loamy, mixed, superactive, hyperthermic Typic Calciustolls
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Sarnosa
  • PSC - 25 to 100 cm.
  • Classificaton Date - 6/13/2016
  • Classifier - Gary Harris
  • Moisture Class - ustic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Pharr
  • Taxonomic Class - Fine-loamy, mixed Typic Calciustolls
  • Taxon Kind - series
  • PSC - 25 to 102 cm.
  • Classificaton Date - 3/20/1991
  • Moisture Class - ustic
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1
  • QA Status: level 1


  • SITE

  • Parent Material: loamy residuum weathered from calcareous sandstone
  • Landscape: inland, dissected coastal plain
  • Landform: hillslope
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Position: middle third
  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 2/27/1991 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, shrubby
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    cambic horizon

    calcic horizon

    0—33

    33—86

    86—208

    —-

    —-

    —-

    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

    7

    56

    270

    711

    22.2

    Ap—0 to 15 centimeters (0.0 to 5.9 inches); very dark grayish brown (10YR 3/2), very dark gray (10YR 3/1), moist; fine sandy loam; weak fine subangular blocky, and weak fine granular structure; slightly hard, friable, nonsticky, nonplastic; 2.0 very fine and fine roots throughout and 0.5 medium roots throughout; 3.0 very fine and fine low-continuity tubular pores; 3 percent insect casts; 2 percent by volume 2-?-20 millimeter chert fragments and 5 percent by volume 2-?-20 millimeter shell fragments fragments; strong effervescence, by hcl, unspecified; moderately alkaline, pH 8.0; clear smooth boundary. Lab sample # 91P03029. common snail shell fragments; contains 2% rounded chert pebbles; Concentrations- T3 is both worm and termite casts
    A—15 to 33 centimeters (5.9 to 13.0 inches); very dark grayish brown (10YR 3/2), very dark gray (10YR 3/1), moist; fine sandy loam; weak fine and medium subangular blocky structure; hard, friable, slightly sticky, nonplastic; 2.0 very fine and fine roots throughout and 0.5 medium roots throughout; 8.0 very fine and fine low-continuity tubular and 2.0 medium tubular pores; 3 percent insect casts; 2 percent by volume 2-?-20 millimeter chert fragments and 5 percent by volume 2-?-20 millimeter shell fragments fragments; strong effervescence, by hcl, unspecified; moderately alkaline, pH 8.0; gradual smooth boundary. Lab sample # 91P03030
    Bk1—33 to 56 centimeters (13.0 to 22.0 inches); brown (10YR 4/3), dark grayish brown (10YR 4/2), moist; sandy clay loam; weak fine and medium subangular blocky structure; hard, friable, slightly sticky, slightly plastic; 2.0 very fine and fine roots throughout and 0.5 medium roots throughout; 10.0 very fine and fine low-continuity tubular and 2.0 medium tubular pores; 5 percent insect casts and 2 percent fine carbonate threads; 2 percent by volume 2-?-20 millimeter chert fragments and 5 percent by volume 2-?-20 millimeter shell fragments fragments; strong effervescence, by hcl, unspecified; moderately alkaline, pH 8.0; gradual smooth boundary. Lab sample # 91P03031. common snail shell fragments; contains 2% rounded chert fragments; Concentrations- T3 is both worm and termite casts
    Bk2—56 to 86 centimeters (22.0 to 33.9 inches); brown (10YR 5/3), dark grayish brown (10YR 4/2), moist; sandy clay loam; weak fine and medium subangular blocky structure; hard, friable, slightly sticky, slightly plastic; 2.0 very fine and fine roots throughout; 18.0 very fine and fine low-continuity tubular and 1.0 medium tubular pores; 3 percent insect casts and 3 percent fine carbonate threads; 5 percent by volume 2-?-20 millimeter shell fragments fragments; strong effervescence, by hcl, unspecified; slightly alkaline, pH 7.8; gradual wavy boundary. Lab sample # 91P03032. common snail shell fragments; Concentrations- T3 is both worm and termite casts
    Bk3—86 to 122 centimeters (33.9 to 48.0 inches); pale brown (10YR 6/3), brown (10YR 5/3), moist; sandy clay loam; weak medium prismatic, and moderate fine and medium subangular blocky structure; hard, firm, slightly sticky, slightly plastic; 0.5 very fine and fine roots throughout; 20.0 very fine and fine low-continuity tubular and 3.0 medium low-continuity tubular pores; 2 percent insect casts and 10 percent fine carbonate threads and 2 percent fine carbonate masses; 5 percent by volume 2-?-20 millimeter shell fragments fragments; violent effervescence, by hcl, unspecified; moderately alkaline, pH 8.1; gradual wavy boundary. Lab sample # 91P03033. common snail shell fragments; contains 10% by volume visible accumulations of CaCO3; Concentrations- T3 is both worm and termite casts
    Bk4—122 to 145 centimeters (48.0 to 57.1 inches); very pale brown (10YR 7/3), pale brown (10YR 6/3), moist; sandy clay loam; weak medium prismatic, and weak fine and medium subangular blocky structure; hard, firm, slightly sticky, slightly plastic; 0.5 very fine and fine roots throughout; 20.0 very fine and fine low-continuity tubular and 3.0 medium low-continuity tubular pores; 2 percent insect casts and 12 percent fine carbonate threads; 5 percent by volume 2-?-20 millimeter shell fragments fragments; violent effervescence, by hcl, unspecified; moderately alkaline, pH 8.2; gradual wavy boundary. Lab sample # 91P03034. common snail shell fragments; contains approx. 15% by volume visible accumulations of CaCO3; Concentrations- T3 is both worm and termite casts
    Bk5—145 to 173 centimeters (57.1 to 68.1 inches); very pale brown (10YR 7/3), pale brown (10YR 6/3), moist; fine sandy loam; weak medium prismatic, and weak fine and medium subangular blocky structure; hard, firm, slightly sticky, slightly plastic; 0.5 very fine and fine roots throughout; 15.0 very fine and fine low-continuity tubular and 5.0 medium low-continuity tubular pores; 2 percent insect casts and 8 percent fine carbonate threads; 5 percent by volume 2-?-20 millimeter shell fragments fragments; violent effervescence, by hcl, unspecified; moderately alkaline, pH 8.2; gradual wavy boundary. Lab sample # 91P03035. common snail shell fragments; contains 1% rounded weakly cemented chalk fragments; contains approx. 8% visible accumulations of CaCO3; Concentrations- is both worm and termite casts
    Bk6—173 to 203 centimeters (68.1 to 79.9 inches); very pale brown (10YR 7/3), pale brown (10YR 6/3), moist; sandy clay loam; weak medium and coarse prismatic, and weak fine and medium subangular blocky structure; hard, firm, slightly sticky, slightly plastic; 0.5 very fine and fine roots throughout; 15.0 very fine and fine tubular and 5.0 medium tubular pores; 2 percent insect casts and 8 percent fine carbonate threads; 5 percent by volume 2-?-20 millimeter shell fragments fragments; violent effervescence, by hcl, unspecified; moderately alkaline, pH 8.2. Lab sample # 91P03036. common snail shell fragments; contains 1% by volume rounded weakly cemented chalk fragments; contains approx. 8% by volume visible accumulations of CaCO3; Concentrations- T3 is both worm and termite casts