IDENTIFIERS

  • Current Taxon Name (Soil Name): Ascalon
  • OSD
  • Series Extent
  • User Site ID: S2012CO123001_MP
  • User Pedon ID: S2012CO123001
  • Vegetation Plot ID: S12CO123001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • User Project ID: CPER_010_NEON
  • Project Name: Central Plains Experimental Range
  • Print Date: 12/5/2025

    • 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: 40.8131111
  • Std. Longitude: -104.7443889
  • Datum: WGS84
  • Township: 10N
  • Range: 66W
  • Section: 23
  • Map Unit: 4—Ascalon fine sandy loam, 0 to 6 percent slopes
  • State: Colorado
  • County: CO123—Weld
  • MLRA: 67B—Central High Plains, Southern Part
  • MLRA Soil Survey Area: NW-FTM—Fort Morgan, Colorado
  • Non-MLRA Soil Survey Area: CO617—Weld County, Colorado, Northern Part
  • 7.5 Minute USGS Quad: 40104-G6—Eastman Creek South, Colorado

    • PEDON

  • Describers Name: Andy Steinert
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, mesic Aridic Argiustolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: research site
  • Pedon Record Orgin: Pedon PC 5.0
  • Pedon #: 1
  • Sampled As Information:
  • Soil Name - Ascalon
  • Taxonomic Class - Fine-loamy, mixed, superactive, mesic Aridic Argiustolls
  • Taxon Kind - series
  • PSC - 30 to 80 cm.
  • Classificaton Date - 8/13/2012
  • Classifier - Andy Steinert
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - ustic
  • Moisture SUBClass - aridic (torric)
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • QC Status: level 2


    • SITE

  • Parent Material: eolian deposits over residuum weathered from sandstone
  • Landform: hill
  • Hill Slope Profile: backslope
  • Slope Shape Across: concave
  • Slope Shape Down: convex
  • Runoff: medium
  • Ksat Class Upper: moderately high
  • Ksat Class Lower: moderately high
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no
  • RaCA Information:
  • DSP Plot ID - SW
  • Plot or Site Recorder - Andy Steinert

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/13/2012 (actual site observation date)
  • Data Collector: Andy Steinert
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - partly cloudy
  • Current Air Temp - 29
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ARFI2

    BOGR2

    CHRYS9

    HECOC8

    OPPO

    Artemisia filifolia

    Bouteloua gracilis

    Chrysothamnus

    Hesperostipa comata ssp. comata

    Opuntia polyacantha

    sand sagebrush

    blue grama

    rabbitbrush

    needle and thread

    plains pricklypear

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

    mollic epipedon

    argillic horizon

    0—30

    30—81

    —30—

    —51—
    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

    2

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    1682.5

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    265

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    A—0 to 10 centimeters (0.0 to 3.9 inches); brown (10YR 5/3) broken face, dark brown (10YR 3/3) broken face, moist; fine sandy loam; 75 percent sand; 11 percent silt; 14 percent clay; single grain, and weak fine subangular blocky; moderately hard, very friable, nonsticky, nonplastic; Ksat of 28.225 um/s; moderately rapid permeability; common (2.0) very fine roots throughout and common (2.0) medium roots throughout and common (2.0) fine roots throughout; fragments; noneffervescent, by hcl, 1n; slightly acid, pH 6.2, pH meter; clear smooth boundary.; observed in pit, large or quarry
    BA—10 to 30 centimeters (3.9 to 11.8 inches); brown (10YR 5/3) broken face, dark brown (10YR 3/3) broken face, moist; fine sandy loam; 75 percent sand; 9 percent silt; 16 percent clay; moderate coarse subangular blocky structure; hard, very friable, nonsticky, nonplastic; Ksat of 28.225 um/s; moderately rapid permeability; common (2.0) very fine roots throughout and few (1.0) medium roots throughout and few (1.0) fine roots throughout; fragments; noneffervescent, by hcl, 1n; neutral, pH 6.6, pH meter; gradual smooth boundary.; observed in pit, large or quarry
    Bt1—30 to 54 centimeters (11.8 to 21.3 inches); brown (10YR 5/3) broken face, dark yellowish brown (10YR 4/4) broken face, moist; sandy clay loam; 60 percent sand; 16 percent silt; 24 percent clay; moderate medium prismatic parts to moderate coarse angular blocky, and moderate medium prismatic parts to moderate medium angular blocky, and moderate coarse prismatic parts to moderate coarse angular blocky, and moderate coarse prismatic parts to moderate medium angular blocky structure; very hard, friable, slightly sticky, slightly plastic; Ksat of 9.17 um/s; moderate permeability; common (2.0) very fine roots throughout and common (2.0) fine roots throughout; 5 percent distinct clay films on all faces of peds; fragments; noneffervescent, by hcl, 1n; neutral, pH 7.3, pH meter; clear wavy boundary.; observed in pit, large or quarry. continuous - phpvsfiid 1038073; continuous - phpvsfiid 1038073
    Bt2—54 to 81 centimeters (21.3 to 31.9 inches); brown (10YR 5/3) broken face, dark brown (10YR 3/3) broken face, moist; sandy clay loam; 55 percent sand; 14 percent silt; 31 percent clay; strong coarse prismatic parts to strong coarse angular blocky, and strong coarse prismatic parts to strong medium angular blocky, and strong medium prismatic parts to strong coarse angular blocky, and strong medium prismatic parts to strong medium angular blocky structure; extremely hard, friable, slightly sticky, moderately plastic; Ksat of 2.82 um/s; moderately slow permeability; common (2.0) very fine roots throughout and common (2.0) fine roots throughout and ; 20 percent distinct clay films on all faces of peds; fragments; noneffervescent, by hcl, 1n; slightly alkaline, pH 7.7, pH meter; clear wavy boundary.; observed in pit, large or quarry. continuous - phpvsfiid 1038074; continuous - phpvsfiid 1038074
    Bk1—81 to 137 centimeters (31.9 to 53.9 inches); brown (10YR 5/3) broken face, dark yellowish brown (10YR 4/6) broken face, moist; sandy clay loam; 50 percent sand; 20 percent silt; 30 percent clay; weak coarse prismatic parts to moderate coarse subangular blocky, and weak coarse prismatic parts to moderate medium subangular blocky structure; hard, very friable, moderately sticky, moderately plastic; Ksat of 2.82 um/s; moderately slow permeability; few (1.0) very fine roots throughout and few (1.0) fine roots throughout; 2 percent coarse irregular carbonate masses on faces of peds and 2 percent fine threadlike carbonate masses on faces of peds and 1 percent medium irregular carbonate masses on faces of peds; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.1, pH meter; clear wavy boundary.; observed in pit, large or quarry
    Bk2—137 to 181 centimeters (53.9 to 71.3 inches); brown (10YR 5/3) broken face, dark yellowish brown (10YR 4/6) broken face, moist; sandy clay loam; 55 percent sand; 23 percent silt; 22 percent clay; moderate coarse subangular blocky, and moderate medium subangular blocky, and moderate fine subangular blocky structure; hard, very friable, slightly sticky, moderately plastic; Ksat of 9.17 um/s; moderate permeability; few (1.0) very fine roots throughout; 2 percent fine threadlike carbonate masses on faces of peds; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.1, pH meter; abrupt broken boundary.; observed in pit, large or quarry
    2C—181 to 210 centimeters (71.3 to 82.7 inches); light gray (10YR 7/2) broken face, light gray (10YR 7/1) broken face, moist; silty clay loam; 18 percent sand; 50 percent silt; 32 percent clay; structureless massive; loose, loose, moderately sticky, moderately plastic; Ksat of 2.82 um/s; moderately slow permeability; few (1.0) very fine roots throughout; 2 percent fine threadlike carbonate masses on faces of peds and 1 percent fine irregular carbonate masses on faces of peds; 6 percent by volume nonflat angular very strongly coherent cemented 5-10-20 millimeter sandstone, unspecified fragments observed by visual inspection method; strong effervescence, by hcl, 1n; moderately alkaline, pH 7.9, pH meter.; observed in pit, large or quarry