IDENTIFIERS

  • Current Taxon Name (Soil Name): Tarrant
  • OSD
  • Series Extent
  • User Site ID: S1964TX327002
  • User Pedon ID: S1964TX327002
  • Vegetation Plot ID: S1964TX327002
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - KSSL
  • Lab Pedon # - 40A4527
  • NCSS Pedon Lab Data NASIS Record ID - 40679
  • Print Date: 5/31/2024

    • 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: 30.8925000
  • Std. Longitude: -99.7780528
  • Datum: WGS84
  • Location Description: Menard County, Texas; From the intersection of US Highway 83 and Ranch Road 2291 in Menard, 1.2 miles south on U.S. Highway 83, 150 feet W of edge of US Highway 83 in native pasture.
  • Country: US—United States
  • State: Texas
  • County: TX327—Menard
  • MLRA: 81B—Edwards Plateau, Central Part
  • Non-MLRA Soil Survey Area: TX327—Menard County, Texas
  • 7.5 Minute USGS Quad: 30099-H7—Menard, Texas

    • PEDON

  • Describers Name: G. S. McKee and O. Bynum
  • Current Taxonomic Class: Clayey-skeletal, smectitic, thermic Lithic Calciustolls
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Tarrant (flagged as OSD)
  • PSC - 0 to 33 cm.
  • Classificaton Date - 4/9/2014
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - ustic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Tarrant
  • Classificaton Date - 10/6/1964
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1
  • QA Status: level 1


    • SITE

  • Parent Material: clayey residuum weathered from limestone
  • Landscape: dissected plateau
  • Landform: ridge
  • Slope Shape Across: linear
  • Runoff: high
  • Drainage Class: well
  • Bedrock: indurated limestone, unspecified at 33cm with 100 to <200
  • Geology: Edwards formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/6/1964 (actual site observation date)
  • Data Collector: G. S. Mckee
  • 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
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ARIST

    ARIST

    ECHIN2

    LEDU

    OPUNT

    OPUNT

    PROSO

    YUCCA

    YUCCA

    Aristida

    Aristida

    Echinocactus

    Leptochloa dubia

    Opuntia

    Opuntia

    Prosopis

    Yucca

    Yucca

    threeawn

    threeawn

    echinocactus

    green sprangletop

    pricklypear

    pricklypear

    mesquite

    yucca

    yucca

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    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, lithic

    indurated

    33 - 76

    —
    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    calcic horizon

    lithic contact

    0—33

    20—33

    33—76

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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

    1

    305

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    627

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    218

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    A—0 to 20 centimeters (0.0 to 7.9 inches); very dark grayish brown (10YR 3/2), very dark brown (10YR 2/2), moist; very cobbly silty clay; strong very fine subangular blocky parts to strong medium granular structure; very hard, firm, moderately sticky, moderately plastic; 10.0 very fine to coarse roots; common (4.0) fine pores; carbonate coats on rock fragments; 5 percent by volume 2-?-75 millimeter limestone, unspecified fragments and 5 percent by volume 250-?-600 millimeter limestone, unspecified fragments and 30 percent by volume 75-?-250 millimeter limestone, unspecified fragments; strong effervescence; moderately alkaline, pH 8.0, unspecified; clear irregular boundary. Lab sample # 40A34582
    Ak—20 to 33 centimeters (7.9 to 13.0 inches); brown (10YR 4/3), dark brown (10YR 3/3), moist; extremely cobbly clay; moderate fine subangular blocky, and strong medium granular structure; very hard, firm, moderately sticky, moderately plastic; 10.0 very fine to medium roots in cracks; carbonate coats on rock fragments; coarse carbonate concretions on bottom of rock fragments; 25 percent by volume 250-?-600 millimeter limestone, unspecified fragments and 60 percent by volume 75-?-250 millimeter limestone, unspecified fragments; violent effervescence; moderately alkaline, pH 8.2, unspecified; abrupt wavy boundary. Lab sample # 40A34583
    R—33 to 76 centimeters (13.0 to 29.9 inches); bedrock; few fine roots in cracks; fragments. Lab sample # 40A34584