IDENTIFIERS

  • Current Taxon Name (Soil Name): Matagorda
  • OSD
  • Series Extent
  • User Site ID: S1970TX057022
  • User Pedon ID: 70TX057022
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A4431
  • NCSS Pedon Lab Data NASIS Record ID - 40584
  • Print Date: 11/13/2025

    • 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: 28.5308342
  • Std. Longitude: -96.5197220
  • Datum: WGS84
  • Location Description: 0.75 mi. S on paved rd; 0.67 mi. W through aluminum gate on shell ranch rd; 300 feet E of fence & 100 feet N of rd
  • State: Texas
  • County: TX057—Calhoun

    • PEDON

  • Describers Name: Irvin C. Mowery
  • Current Taxonomic Class: Fine, mixed, active, hyperthermic Typic Natraqualfs
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 22
  • Correlated Information:
  • Soil Name - Matagorda
  • Classificaton Date - 7/30/2008
  • Moisture Class - aquic
  • Sampled As Information:
  • Soil Name - Matagorda
  • Classificaton Date - 1/1/1970
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: upland
  • Slope Shape Down: convex
  • Runoff: low
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/1/1970 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • 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

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    1A1—0 to 25 centimeters (0.0 to 9.8 inches); brown (10YR 5/3) interior, pale brown (10YR 6/3) interior, dry; fine sandy loam; structureless massive; hard, friable; 0.5 fine roots; fragments; neutral, pH 7.2, hellige-truog; abrupt wavy boundary. Lab sample # 40A33894. thickness of A ranges from 10 o 18" in wave of Bt horizon, in thicker parts the A2 is light gray (10YR 7/2).; few fine roots
    1B21t—25 to 48 centimeters (9.8 to 18.9 inches); yellowish brown (10YR 5/4) interior, light yellowish brown (10YR 6/4) interior, dry; clay loam; 1 percent brown (7.5YR 5/4) fine faint and 11 percent brownish yellow (10YR 6/6) fine and medium faint mottles; strong medium and coarse blocky structure; very hard, firm, very sticky; 2.5 fine roots; 37 percent prominent black (10YR 2/1) coats on faces of peds; fragments; slightly alkaline, pH 7.8, hellige-truog; gradual wavy boundary. Lab sample # 40A33895. common coats surface features on faces of peds; common fine roots; common fine and medium faint 10YR66 mottles; few fine faint 7.5YR54 mottles; continuous - phpvsfiid 213420; continuous - phpvsfiid 213420
    1B22t—48 to 79 centimeters (18.9 to 31.1 inches); olive yellow (2.5Y 6/6) interior, yellow (2.5Y 7/6) interior, dry; clay; 1 percent light olive brown (2.5Y 5/6) fine faint mottles; moderate coarse blocky structure; very hard, firm, very sticky; 0.5 fine roots; prominent clay films; 1 percent dark concretions; fragments; moderately alkaline, pH 8.0, hellige-truog; gradual smooth boundary. Lab sample # 40A33896. few dark concretions concentrations; few fine roots; few fine faint 2.5Y56 mottles; continuous - phpvsfiid 213421; continuous - phpvsfiid 213421
    1B3t—79 to 119 centimeters (31.1 to 46.9 inches); light yellowish brown (2.5Y 6/4) interior, pale yellow (2.5Y 7/4) interior, dry; sandy clay loam; 1 percent reddish yellow (7.5YR 6/6) fine distinct mottles; weak coarse blocky structure; hard, firm, moderately sticky; 0.5 fine roots; clay films; fragments; moderately alkaline, pH 8.0, hellige-truog; gradual smooth boundary. Lab sample # 40A33897. common small black shot-like concretions; pockets of loamy fine sand and old cracks 1/4" wide filled with sand.; few fine roots; few fine distinct 7.5YR66 mottles; patchy - phpvsfiid 213422; patchy - phpvsfiid 213422
    1C1—119 to 193 centimeters (46.9 to 76.0 inches); light gray (2.5Y 7/2) interior, pale yellow (2.5Y 8/2) interior, dry; sandy clay loam; 1 percent reddish yellow (5YR 6/6) fine and medium prominent mottles; hard, firm, moderately sticky; 0.5 fine roots; fragments; moderately alkaline, pH 8.0, hellige-truog; clear smooth boundary. Lab sample # 40A33898. structure undetermined but shiny surfaces observed; contains strata of silty clay; thin sand-filled cracks; saline; few fine roots; few fine and medium prominent 5YR66 mottles
    2C2—193 to 244 centimeters (76.0 to 96.1 inches); reddish yellow (7.5YR 6/6) interior, reddish yellow (7.5YR 6/6) interior, dry; very fine sandy loam; structureless massive; fragments; moderately alkaline, pH 8.0, hellige-truog. Lab sample # 40A33899. few dark spots that appear to be segregated iron; saline; weakly calcareous.