IDENTIFIERS

  • Current Taxon Name (Soil Name): Ascalon
  • OSD
  • Series Extent
  • User Site ID: 96CO628023
  • User Pedon ID: 96CO628023
  • Vegetation Plot ID: 96CO628023
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Pedon # - 97P0588
  • NCSS Pedon Lab Data NASIS Record ID - 10269
  • Print Date: 6/1/2024

    • 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: 37.2176389
  • Std. Longitude: -103.4796944
  • Datum: WGS84
  • Township: 32 S.
  • Range: 54 W.
  • Section: 3
  • PLSS Details: 400 feet south and 450 feet east of the northwest corner
  • Map Unit: AnB—Ascalon sandy loam, 0 to 3 percent slopes
  • State: Colorado
  • County: CO071—Las Animas
  • MLRA: 67B—Central High Plains, Southern Part
  • Non-MLRA Soil Survey Area: CO628—Las Animas County Area, Colorado, Parts of Huerfano and Las Animas Counties
  • 7.5 Minute USGS Quad: 37103-B4—Dalerose Mesa, Colorado

    • PEDON

  • Describers Name: LAN
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, mesic Aridic Argiustolls
  • Current Taxon Kind: series
  • Pedon Type: within range of map unit
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 712
  • Sampled As Information:
  • Soil Name - Ascalon
  • Taxonomic Class - Fine-loamy, mixed, superactive, mesic Aridic Argiustolls
  • PSC - 10 to 102 cm.
  • Classificaton Date - 4/11/1996
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - ustic
  • Moisture SUBClass - aridic (torric)
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: eolian deposits derived from sedimentary rock
  • Landscape: plains
  • Landform: ridge
  • Hill Slope Profile: summit
  • Slope Position: upper third
  • Runoff: low
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/11/1996 (actual site observation date)
  • Air Photo ID: 1-67
  • Plant Association Name: Sandy
  • 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
  • Site Erosion Accelerated: wind erosion
    • 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 % % % % % % % % % % % % %

    Btk1

    2Btk2

    2BCk

    28

    58

    102

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    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

    Btk1

    2Btk2

    2BCk

    28

    58

    102

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    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 %

    Btk1

    2Btk2

    2BCk

    28

    58

    102

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    10

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    1

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

    ARLOG

    BOGR2

    OPPO

    PASM

    SPCR

    Aristida longispica var. geniculata

    Bouteloua gracilis

    Opuntia polyacantha

    Pascopyrum smithii

    Sporobolus cryptandrus

    slimspike threeawn

    blue grama

    plains pricklypear

    western wheatgrass

    sand dropseed

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

    mollic epipedon

    argillic horizon

    calcic horizon

    0—28

    10—102

    130—178

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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

    3

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    1807

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    25

    381

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    11.1

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    10.6

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    A—0 to 10 centimeters (0.0 to 3.9 inches); dark grayish brown (10YR 4/2), very dark grayish brown (10YR 3/2) and very dark grayish brown (10YR 3/2) crushed, moist; sandy loam; 18 percent clay; weak medium subangular blocky structure; slightly hard, very friable, slightly sticky, slightly plastic; 0.1 very fine to coarse roots throughout; fragments; slight effervescence, by hcl, 1n; slightly alkaline, pH 7.4, hellige-truog; abrupt smooth boundary. Lab sample # 96071008; observed in trench
    Bt—10 to 28 centimeters (3.9 to 11.0 inches); brown (10YR 4/3), very dark grayish brown (10YR 3/2) and very dark grayish brown (10YR 3/2) crushed, moist; sandy clay loam; 22 percent clay; moderate coarse prismatic parts to moderate fine and medium subangular blocky structure; hard when dry, firm, slightly sticky, slightly plastic; 0.1 very fine to coarse roots throughout; 25 percent distinct clay films on all faces of peds; fragments; slight effervescence, by hcl, 1n; slightly alkaline, pH 7.6, hellige-truog; abrupt wavy boundary. patchy - phpvsfiid 275129; patchy - phpvsfiid 275129
    Btk1—28 to 58 centimeters (11.0 to 22.8 inches); pale brown (10YR 6/3), brown (10YR 4/3) and dark yellowish brown (10YR 4/6) and brown (10YR 4/3) crushed, moist; sandy clay loam; 23 percent clay; weak medium subangular blocky structure; slightly hard, firm, slightly sticky, slightly plastic; 0.1 very fine to coarse roots throughout; 35 percent distinct clay films on all faces of peds; 5 percent fine and medium distinct irregular carbonate masses throughout; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.4, hellige-truog; abrupt wavy boundary. discontinuous - phpvsfiid 275130; discontinuous - phpvsfiid 275130
    2Btk2—58 to 102 centimeters (22.8 to 40.2 inches); light yellowish brown (10YR 6/4), dark yellowish brown (10YR 4/4) and yellowish brown (10YR 5/4) crushed, moist; clay loam; 34 percent clay; moderate fine and medium subangular blocky structure; very hard, firm, moderately sticky, moderately plastic; 0.1 very fine to coarse roots throughout; 35 percent distinct clay films on all faces of peds; 16 percent coarse prominent irregular noncoherent cemented carbonate masses throughout; fragments; slight effervescence, by hcl, 1n; moderately alkaline, pH 8.4, hellige-truog; abrupt wavy boundary. discontinuous - phpvsfiid 275131; discontinuous - phpvsfiid 275131
    2BCk—102 to 130 centimeters (40.2 to 51.2 inches); light brown (7.5YR 6/4), brown (7.5YR 5/4) and brown (7.5YR 5/4) crushed, moist; sandy clay loam; 30 percent clay; moderate medium subangular blocky structure; hard when dry, firm, slightly sticky, slightly plastic; 0.1 very fine to coarse roots throughout; 10 percent distinct clay films on all faces of peds; 2 percent medium distinct irregular carbonate masses around rock fragments; fragments; noneffervescent, by hcl, 1n; moderately alkaline, pH 8.4, hellige-truog; abrupt wavy boundary. patchy - phpvsfiid 275132; patchy - phpvsfiid 275132
    2Bk—130 to 178 centimeters (51.2 to 70.1 inches); pink (7.5YR 7/4), brown (7.5YR 5/4) and brown (7.5YR 5/4) crushed, moist; sandy loam; 8 percent clay; massive; soft, very friable, nonsticky, nonplastic; 0.1 very fine to coarse roots throughout; fragments; noneffervescent, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog. One lamellae 1/4 inch thick, 7.5YR 5/6 dry, 7.5YR 4/6 moist, and 7.5YR 6/4 crushed and moist.