IDENTIFIERS

  • Current Taxon Name (Soil Name): Auras
  • OSD
  • Series Extent
  • User Site ID: 29103-012
  • User Pedon ID: S1980-TX043-012
  • Transect:
  • User Transect ID - T1980-TX621-59
  • Transect Stop Number - 2
  • Transect Interval - 30.5
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Print Date: 11/21/2024

    • LOCATION

  • Country: US—United States
  • State: Texas
  • County: TX043—Brewster
  • MLRA: 42—Southern Desertic Basins, Plains, and Mountains
  • MLRA Soil Survey Area: SW-MAF—Marfa, Texas
  • Non-MLRA Soil Survey Area: TX621—Big Bend National Park, Texas

    • PEDON

  • Describers Name: Rex Cochran and Jerry Rives
  • Current Taxonomic Class: Loamy-skeletal, mixed, superactive, calcareous, thermic Lithic Ustic Torriorthents
  • Current Taxon Kind: series
  • Pedon Record Orgin: NASIS
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Auras
  • PSC - 0 to 15 cm.
  • Classificaton Date - 7/7/2015
  • Classifier - Lynn Loomis
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - aridic (torric)
  • Moisture Subclass - ustic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/22/1980 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, lithic

    indurated

    15 - 200

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

    ochric epipedon

    lithic contact

    0—15

    15—15

    —-

    —-
    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

    —

    —

    —

    —

    —

    90

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

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    A1—0 to 8 centimeters (0.0 to 3.1 inches); brown (7.5YR 5/3), brown (7.5YR 4/3), moist; very gravelly loam; 40 percent by volume nonflat angular indurated 2-?-75 millimeter rhyolite fragments; noneffervescent.
    A2—8 to 15 centimeters (3.1 to 5.9 inches); extremely gravelly loam; 80 percent by volume nonflat angular indurated 2-?-75 millimeter rhyolite fragments; noneffervescent.
    R—15 to 200 centimeters (5.9 to 78.7 inches); bedrock; fragments.; observed in pit, small