IDENTIFIERS

  • Current Taxon Name (Soil Name): Beewon
  • OSD
  • Series Extent
  • Local Phase: Gravelly Clay Loam Pediment
  • User Site ID: S1995-TX622-004
  • User Pedon ID: S1995-TX622-004
  • Vegetation Plot ID: S1995-TX622-004
  • User Site Association ID: 5258
  • Transect:
  • User Transect ID - TX622-385-1
  • Transect Stop Number - 4
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - KSSL
  • Lab Pedon # - 98P0417
  • NCSS Pedon Lab Data NASIS Record ID - 10687
  • Print Date: 11/23/2024
  • 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: 29.8349800
  • Std. Longitude: -103.6818750
  • Datum: WGS84
  • Location Description: Brewster County, Texas; from the intersection of US Highway 90 and Texas Highway 118 in Alpine, 33.5 miles south on Texas Highway 118 to 02 Ranch gate, 8.8 miles southwest on 02 Ranch Headquarters Ranch road to landing strip, 2.1 miles south along west edge of landing strip to corrals, 0.5 miles east southeast on ranch road, 0.55 miles southeast on ranch road, then 50 feet west of road in range.
  • 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, Jerry Rives, and Alan Terrell
  • Current Taxonomic Class: Loamy-skeletal, mixed, superactive, thermic Ustic Calciargids
  • 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 - Beewon-losk (flagged as OSD)
  • PSC - 13 to 46 cm.
  • Classificaton Date - 4/4/2016
  • Classifier - Chance Robinson
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - aridic (torric)
  • Moisture Subclass - ustic
  • 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 gravelly pedisediment derived from tuff over carbonatic gravelly alluvium derived from igneous and sedimentary rock over zeolitic gravelly alluvium derived from ignimbrite
  • Landscape: piedmont slope
  • Landform: pediment
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/2/1995 (actual site observation date)
  • Air Photo ID: 48
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Pedon Horizon Lab Results - 1
    Horizon Top Depth Bottom Depth Sample ID Data Collector Total Clay CaCO3 Clay Total Silt Fine Silt Co. Silt Total Sand Total Sand Method VC Sand Co. Sand Med. Sand Fine Sand VF Sand VF Sand Method Texture Class - Field Lab Rubbed Fiber Unrubbed Fiber pH H2O
    cm cm % % % % % % % % % % % % %

    A

    Bt

    Btk

    2Bk1

    2Bk2

    2Bk3

    3Btk1

    3Btk2

    0

    13

    30

    46

    81

    102

    122

    175

    54.8

    8.4

    1.6

    Pedon Horizon Lab Results - 2
    Horizon Top Depth Bottom Depth Sample ID pH CaCl2 pH NaF pH Ox Delta pH LL PL PI Atter. Samp. Cond. COLE Pot. Acidity Ca + Mg - Meh 2 K Ca + Mg - Sat. Paste KCl Extract. Acidity Base Sat. - Meh 2 CEC-7 CEC-8.2
    cm cm % % % cm/cm meq/100g cmol(+)/kg cmol(+)/kg mmol(+)/l cmol(+)/kg % cmol(+)/kg cmol(+)/kg

    A

    Bt

    Btk

    2Bk1

    2Bk2

    2Bk3

    3Btk1

    3Btk2

    0

    13

    30

    46

    81

    102

    122

    175

    Pedon Horizon Lab Results - 3
    Horizon Top Depth Bottom Depth Sample ID ECEC Phosphate P NO3-N EC EC Method EC 1:5 by volume CaCO3 Equiv. Equiv. Gypsum Na SAR Gypsum Req. Humic Color Fulvic Color Humic + Fulvic Color Al PI Pyro. Hue PyrO. Value Pyro. Chroma
    cm cm cmol(+)/kg mg/kg mg/kg dS/m dS/m % % mmol(+)/l % L-pcu/g L-pcu/g L-pcu/g %

    A

    Bt

    Btk

    2Bk1

    2Bk2

    2Bk3

    3Btk1

    3Btk2

    0

    13

    30

    46

    81

    102

    122

    175

    ec meter, saturated paste

    ec meter, saturated paste

    ec meter, saturated paste

    ec meter, saturated paste

    ec meter, saturated paste

    ec meter, saturated paste

    ec meter, saturated paste

    ec meter, saturated paste

    7

    7

    24

    60

    60

    60

    21

    11

    Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    LATR2

    OPMA8

    PAIN2

    Larrea tridentata

    Opuntia macrocentra

    Parthenium incanum

    creosote bush

    purple pricklypear

    mariola

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

    ochric epipedon

    argillic horizon

    calcic horizon

    0—13

    13—46

    30—175

    —-

    —-

    —-

    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

    0.6

    1144.3

    180

    331

    605

    17.9

    PRISM

    A—0 to 13 centimeters (0.0 to 5.1 inches); brown (7.5YR 5/3), brown (7.5YR 4/3), moist; gravelly loam; 47 percent sand; 30 percent silt; 24 percent clay; 2 percent carbonate clay; weak medium and coarse subangular blocky parts to weak fine and medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; moderate excavation difficulty; 3.0 very fine and fine roots throughout; 22 percent by volume nonflat subangular indurated 2-39-75 millimeter ignimbrite fragments; loam of Field texture class; 44.8 percent of Pecos AO lab sand; 32 percent of Pecos AO lab slit; 23.2 percent of Pecos AO lab clay; violent effervescence, by hcl, 1n; clear smooth boundary.; observed in trench
    Bt—13 to 30 centimeters (5.1 to 11.8 inches); reddish brown (5YR 5/3), reddish brown (5YR 4/3), moist; extremely gravelly sandy clay loam; 48 percent sand; 23 percent silt; 29 percent clay; 3 percent carbonate clay; weak fine and medium subangular blocky structure; hard, friable, moderately sticky, moderately plastic; extremely high excavation difficulty; 3.0 very fine and fine roots throughout; 10 percent prominent white (10YR 8/1), dry, carbonate coats on rock fragments and 40 percent distinct clay films on rock fragments; 10 percent by volume nonflat subrounded indurated 75-162-250 millimeter ignimbrite fragments and 22 percent by volume nonflat subrounded indurated 20-48-75 millimeter ignimbrite fragments and 42 percent by volume nonflat subrounded indurated 2-39-75 millimeter ignimbrite fragments; clay loam of Field texture class; 32.8 percent of Pecos AO lab sand; 29.6 percent of Pecos AO lab slit; 37.6 percent of Pecos AO lab clay; strong effervescence, by hcl, 1n; clear smooth boundary.; observed in trench. continuous - phpvsfiid 95887; discontinuous - phpvsfiid 96006; continuous - phpvsfiid 95887; discontinuous - phpvsfiid 96006
    Btk—30 to 46 centimeters (11.8 to 18.1 inches); reddish brown (5YR 5/4), reddish brown (5YR 4/4), moist; very gravelly clay; 25 percent sand; 28 percent silt; 48 percent clay; 8 percent carbonate clay; weak fine and medium subangular blocky structure; hard, very firm, very sticky, very plastic; extremely high excavation difficulty; 1.0 very fine and fine roots throughout; 30 percent distinct white (10YR 8/1), dry, carbonate coats on rock fragments; 2 percent carbonate threads and 5 percent medium lime masses; 10 percent by volume nonflat subrounded indurated 75-162-250 millimeter igneous, unspecified fragments and 34 percent by volume nonflat subrounded indurated 2-39-75 millimeter igneous, unspecified fragments; clay of Field texture class; 22.8 percent of Pecos AO lab sand; 33 percent of Pecos AO lab slit; 44.2 percent of Pecos AO lab clay; violent effervescence, by hcl, 1n; abrupt smooth boundary.; observed in trench. continuous - phpvsfiid 96007; continuous - phpvsfiid 96007
    2Bk1—46 to 81 centimeters (18.1 to 31.9 inches); pink (5YR 7/3), light reddish brown (5YR 6/3), moist; very gravelly silt loam; 13 percent sand; 70 percent silt; 18 percent clay; 5 percent carbonate clay; weak fine and medium subangular blocky parts to weak fine subangular blocky structure; hard, firm, slightly sticky, slightly plastic; extremely high excavation difficulty; 0.1 very fine roots; 70 percent prominent white (10YR 8/1), dry, carbonate coats on rock fragments; 80 percent medium spherical white (10YR 8/1) lime masses; 5 percent by volume nonflat subrounded indurated 250-425-600 millimeter ignimbrite fragments and 18 percent by volume nonflat subrounded indurated 75-162-250 millimeter ignimbrite fragments and 40 percent by volume nonflat subrounded indurated 2-39-75 millimeter ignimbrite fragments; 37.6 percent of Pecos AO lab sand; 44.2 percent of Pecos AO lab slit; 24.2 percent of Pecos AO lab clay; silt loam of Field texture class; violent effervescence, by hcl, 1n; clear wavy boundary.; observed in trench. Lime masses may be weathered tuff fragments; continuous - phpvsfiid 96008; continuous - phpvsfiid 96008
    2Bk2—81 to 102 centimeters (31.9 to 40.2 inches); pinkish white (5YR 8/2), pink (5YR 7/3), moist; extremely gravelly silt loam; 17 percent sand; 67 percent silt; 16 percent clay; 4 percent carbonate clay; weak medium and coarse subangular blocky structure; hard, firm, slightly sticky, slightly plastic; extremely high excavation difficulty; 0.1 very fine roots; 70 percent prominent white (10YR 8/1), dry, carbonate coats on rock fragments; 80 percent medium spherical white (10YR 8/1) lime masses; 2 percent by volume nonflat subrounded indurated 250-425-600 millimeter ignimbrite fragments and 10 percent by volume nonflat subrounded indurated 75-162-250 millimeter ignimbrite fragments and 75 percent by volume nonflat subrounded indurated 2-39-75 millimeter ignimbrite fragments; 11.8 percent of Pecos AO lab sand; 67 percent of Pecos AO lab slit; 21.2 percent of Pecos AO lab clay; silt loam of Field texture class; violent effervescence, by hcl, 1n; clear smooth boundary.; observed in trench. Lime masses may be weathered tuff fragments; continuous - phpvsfiid 95868; continuous - phpvsfiid 95868
    2Bk3—102 to 122 centimeters (40.2 to 48.0 inches); pinkish white (5YR 8/2), light reddish brown (5YR 6/3), moist; extremely cobbly silt loam; 24 percent sand; 58 percent silt; 18 percent clay; 4 percent carbonate clay; weak medium and coarse subangular blocky structure; hard, firm, slightly sticky, slightly plastic; extremely high excavation difficulty; 0.1 very fine roots; 70 percent prominent carbonate coats on rock fragments; 80 percent medium spherical white (10YR 8/1) lime masses; 5 percent by volume nonflat subrounded indurated 250-425-600 millimeter ignimbrite fragments and 20 percent by volume nonflat subrounded indurated 2-39-75 millimeter ignimbrite fragments and 60 percent by volume nonflat subrounded indurated 75-162-250 millimeter ignimbrite fragments; 19.8 percent of Pecos AO lab sand; 58 percent of Pecos AO lab slit; 22.5 percent of Pecos AO lab clay; silt loam of Field texture class; violent effervescence, by hcl, 1n; abrupt smooth boundary.; observed in trench. Lime masses may be weathered tuff fragments; continuous - phpvsfiid 96054; continuous - phpvsfiid 96054
    3Btk1—122 to 175 centimeters (48.0 to 68.9 inches); pinkish gray (5YR 6/2), reddish brown (5YR 5/3), moist; extremely gravelly loam; 52 percent sand; 29 percent silt; 19 percent clay; 1 percent carbonate clay; weak medium and coarse subangular blocky parts to weak fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; extremely high excavation difficulty; 0.1 very fine roots; 30 percent distinct white (10YR 8/1), dry, carbonate coats on rock fragments and 65 percent distinct , dry, clay films on rock fragments and 80 percent distinct , dry, clay films on faces of peds; 20 percent medium and coarse spherical white (10YR 8/1) lime masses throughout; 10 percent by volume nonflat subrounded indurated 75-162-250 millimeter ignimbrite fragments and 60 percent by volume nonflat subrounded indurated 2-39-75 millimeter ignimbrite fragments; loam of Field texture class; 46.8 percent of Pecos AO lab sand; 31 percent of Pecos AO lab slit; 22.2 percent of Pecos AO lab clay; noneffervescent, by hcl, 1n; gradual smooth boundary.; observed in trench. Lime masses may be weathered tuff fragments; continuous - phpvsfiid 96101; continuous - phpvsfiid 98163; continuous - phpvsfiid 98164; continuous - phpvsfiid 96101; continuous - phpvsfiid 98163; continuous - phpvsfiid 98164
    3Btk2—175 to 200 centimeters (68.9 to 78.7 inches); pinkish gray (5YR 6/2), reddish brown (5YR 4/3), moist; very gravelly sandy loam; 67 percent sand; 20 percent silt; 15 percent clay; 1 percent carbonate clay; weak medium and coarse subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; extremely high excavation difficulty; 0.1 very fine roots; 30 percent distinct white (10YR 8/1), dry, slickensides (pedogenic) on rock fragments and 65 percent distinct clay films on rock fragments and 80 percent distinct clay films on faces of peds; 15 percent medium and coarse spherical white (10YR 8/1) lime masses throughout; 5 percent by volume nonflat subrounded indurated 250-425-600 millimeter ignimbrite fragments and 10 percent by volume nonflat subrounded indurated 75-162-250 millimeter ignimbrite fragments and 40 percent by volume nonflat subrounded indurated 2-39-75 millimeter ignimbrite fragments; 64.8 percent of Pecos AO lab sand; 20 percent of Pecos AO lab slit; 15.2 percent of Pecos AO lab clay; sandy loam of Field texture class; noneffervescent, by hcl, 1n.; observed in trench. Lime masses may be weathered tuff fragments; continuous - phpvsfiid 95244; continuous - phpvsfiid 95724; continuous - phpvsfiid 95997; continuous - phpvsfiid 95244; continuous - phpvsfiid 95724; continuous - phpvsfiid 95997