IDENTIFIERS

  • Current Taxon Name (Soil Name): Zulch
  • OSD
  • Series Extent
  • User Site ID: S2002TX041003
  • User Pedon ID: S2002TX041003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - TAMU
  • Lab Pedon # - S78TX041003
  • NCSS Pedon Lab Data NASIS Record ID - 45648
  • 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: 30.6109161
  • Std. Longitude: -96.3481979
  • Datum: WGS84
  • Location Description: West Campus, Texas A&M University, 250 feet northwest of the Kleberg Animal and Food Science building.
  • Map Unit: Ur—Urban land
  • Country: US—United States
  • State: Texas
  • County: TX041—Brazos
  • MLRA: 87A—Texas Claypan Area, Southern Part
  • Regional Office: SC—South Central
  • Non-MLRA Soil Survey Area: TX041—Brazos County, Texas

    • PEDON

  • Describers Name: Wilding,Harris,Sobecki,Kacy
  • Current Taxonomic Class: Fine, smectitic, thermic Udertic Paleustalfs
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: 2002 Brazos County Soil Survey
  • Correlated Information:
  • Soil Name - Zulch
  • PSC - 25 to 75 cm.
  • Classificaton Date - 5/21/2012
  • Moisture Class - ustic
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Mabank
  • Classificaton Date - 8/1/1978
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium
  • Landscape: upland
  • Runoff: very high
  • Drainage Class: poorly
  • Geology: Yegua formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/1978 (actual site observation date)
  • Air Photo ID: AS-32
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • 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

    argillic horizon

    abrupt textural change

    salt accumulations

    secondary carbonates

    densic materials

    0—25

    25—130

    25—25

    86—130

    86—130

    130—180

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    —-

    —-

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    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

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    A—0 to 25 centimeters (0.0 to 9.8 inches); gray (10YR 5/1), very dark grayish brown (10YR 3/2), moist; fine sandy loam; massive; hard, very friable; 10.0 fine roots; 1 percent by volume nonflat subrounded indurated chert fragments; abrupt wavy boundary. Lab sample # TAMU518; observed in trench
    Bt1—25 to 43 centimeters (9.8 to 16.9 inches); gray (10YR 5/1), very dark gray (10YR 3/1), moist; clay; moderate very coarse columnar, and moderate very coarse prismatic structure; extremely hard, very firm; fragments; clear wavy boundary. Lab sample # TAMU519; observed in trench
    Bt2—43 to 86 centimeters (16.9 to 33.9 inches); very dark gray (10YR 3/1), very dark gray (10YR 3/1), moist; clay; moderate very coarse prismatic parts to moderate coarse angular blocky structure; extremely hard, very firm; 2 percent slickensides (pedogenic) and 10 percent pressure faces; 1 percent fine carbonate nodules; 1 percent by volume nonflat rounded indurated chert fragments; clear smooth boundary. Lab sample # TAMU520; observed in trench
    Btky1—86 to 100 centimeters (33.9 to 39.4 inches);, dark gray (10YR 4/1), moist; clay; moderate very coarse angular blocky structure; extremely hard, very firm; 0.9 fine roots; 5 percent carbonate masses and 10 percent salt masses; fragments; clear smooth boundary. Lab sample # TAMU521; observed in trench
    Btky2—100 to 130 centimeters (39.4 to 51.2 inches);, olive yellow (5Y 6/6) and olive (5Y 4/4), moist; clay; moderate coarse prismatic parts to moderate coarse angular blocky structure; hard, very firm; 0.9 fine roots; ; 25 percent salt masses; fragments; clear smooth boundary. Lab sample # TAMU522; observed in trench
    Cd1—130 to 155 centimeters (51.2 to 61.0 inches); yellowish brown (10YR 5/6), olive gray (5Y 5/2), moist; silty clay; 10 percent yellowish brown (10YR 5/6) prominent mottles; hard, very firm; fragments; gradual smooth boundary. Lab sample # TAMU523; observed in trench
    Cd2—155 to 180 centimeters (61.0 to 70.9 inches);, olive gray (5Y 5/2), moist; silty clay; hard, very firm; ; fragments. Lab sample # TAMU524; observed in trench