IDENTIFIERS

  • Current Taxon Name (Soil Name): Musgrave
  • OSD
  • Series Extent
  • Local Phase: Clay Hill
  • User Site ID: S1996-TX043-001-copy
  • User Pedon ID: S1996-TX043-001-copy
  • Vegetation Plot ID: S1996-TX043-001-copy
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 98P0427
  • NCSS Pedon Lab Data NASIS Record ID - 10697
  • 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: 29.7644444
  • Std. Longitude: -103.7080536
  • Datum: WGS84
  • Location Description: Brewster County, Texas; from the junction of US Highway 90 and Texas Highway 118 in Alpine, 41.1 miles south on Texas Highway 118, 4.25 miles west on ranch road, 0.8 mile south, 3.5 miles west, 2.8 miles south to Terlingua Creek, 0.05 mile south to scarp, then 25 feet south of road in rangeland.
  • 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: TX622—Brewster County, Texas (Main Part)
  • 7.5 Minute USGS Quad: 29103-G6—Straddlebug Mountain, Texas
  • PEDON

  • Describers Name: Lynn Loomis and Jerry Rives
  • Current Taxonomic Class: Clayey, mixed, superactive, calcareous, hyperthermic, shallow Typic Torriorthents
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Musgrave (flagged as OSD)
  • PSC - 25 to 46 cm.
  • Classificaton Date - 4/8/2016
  • Classifier - Chance M. Robinson
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - aridic (torric)
  • Moisture Subclass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1
  • QA Status: level 1


  • SITE

  • Parent Material: zeolitic and sodic loamy residuum weathered from tuff
  • Landscape: piedmont
  • Landform: scarp on pediment
  • Drainage Class: well
  • Bedrock: noncoherent slight weathered tuff, unspecified at 46cm
  • Geology: Devils Graveyard Formation formation.
  • Surface Fragments: 20.00 percent nonflat subangular indurated 2- to 75-millimeter ignimbrite, 5.00 percent nonflat subrounded indurated 250- to 600-millimeter ignimbrite, 10.00 percent nonflat subangular indurated 75- to 250-millimeter ignimbrite,
  • Benchmark Soil?: no
  • VEGETATION

  • Ecological Sites. (Click Ecological Site ID For Link to EDIT.)
    Ecological Site ID Ecological Site Name Correlation Data Classifier
    R042AB739TX Clay Hill, Hot Desert Shrub
  • SITE OBSERVATION

  • Observation Date: 1/1/1996 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - shrub 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

    ACCO2

    BOCU

    BORA4

    CAER2

    DICA8

    FOSP2

    KRER

    LATR2

    MUPO2

    SELE6

    TRMU

    Acacia constricta

    Bouteloua curtipendula

    Bouteloua ramosa

    Cathestecum erectum

    Digitaria californica

    Fouquieria splendens

    Krameria erecta

    Larrea tridentata

    Muhlenbergia porteri

    Setaria leucopila

    Tridens muticus

    whitethorn acacia

    sideoats grama

    Chino grama

    false grama

    Arizona cottontop

    ocotillo

    littleleaf ratany

    creosote bush

    bush muhly

    streambed bristlegrass

    slim tridens

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

    bedrock, densic

    noncoherent

    46 - 200

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

    ochric epipedon

    densic materials

    densic contact

    0—13

    46—200

    46—46

    —-

    —-

    —-

    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

    14.7

    1097.4

    323

    636

    18.4

    PRISM

    A—0 to 13 centimeters (0.0 to 5.1 inches); light brownish gray (10YR 6/2), grayish brown (10YR 5/2), moist; clay loam; moderate medium subangular blocky, and moderate fine subangular blocky structure; hard, firm, moderately sticky, moderately plastic; 3.0 very fine and fine roots; fragments; Silty clay loam of Field texture class; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; clear smooth boundary. Lab sample # 98P02471; observed in pit, small
    Ck—13 to 46 centimeters (5.1 to 18.1 inches); grayish brown (10YR 5/2), grayish brown (10YR 5/2), moist; clay loam; structureless massive; hard, firm; 10 percent coarse distinct irregular noncoherent cemented white (10YR 8/1), dry, carbonate masses in cracks; 75 percent by volume nonflat subangular noncoherent cemented 2-?-75 millimeter tuff, unspecified fragments; Silty clay loam of Field texture; noneffervescent, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; clear smooth boundary. Lab sample # 98P02472; observed in pit, small
    Cdk—46 to 200 centimeters (18.1 to 78.7 inches); light brownish gray (2.5Y 6/2), grayish brown (2.5Y 5/2), moist; bedrock; structureless massive; noncoherent; 1 percent prominent iron stains on bedrock; 3 percent coarse distinct irregular noncoherent cemented white (10YR 8/1), dry, carbonate masses in cracks; fragments; noneffervescent, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog. Lab sample # 98P02473; observed in pit, small. discontinuous - phpvsfiid 1046779; discontinuous - phpvsfiid 1046779