IDENTIFIERS

  • Current Taxon Name (Soil Name): Razor
  • OSD
  • Series Extent
  • User Site ID: 12CO005002
  • User Pedon ID: S2012CO005002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 12N7619
  • NCSS Pedon Lab Data NASIS Record ID - 55377
  • Print Date: 11/13/2024

    • 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: 39.5956111
  • Std. Longitude: -103.7343611
  • Datum: WGS84
  • Township: 5S
  • Range: 57W
  • Section: 23
  • PLSS Details: 2,820 feet east and 220 feet north of the southwest corner
  • Location Description: Approximately 10 miles south and 7.5 miles west of Last Chance, CO.
  • Map Unit: LcD—Litle silty clay loam, 1 to 9 percent slopes
  • State: Colorado
  • County: CO005—Arapahoe
  • MLRA: 67B—Central High Plains, Southern Part
  • MLRA Soil Survey Area: NW-FTM—Fort Morgan, Colorado
  • Non-MLRA Soil Survey Area: CO005—Arapahoe County, Colorado
  • 7.5 Minute USGS Quad: 39103-E6—Last Chance SW, Colorado

    • PEDON

  • Describers Name: Andy Steinert, Mike Moore, Chad Remley, Joe Chiaretti, Lee Neve
  • Current Taxonomic Class: Fine, smectitic, mesic Torrertic Haplustalfs
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Pedon #: 2
  • Sampled As Information:
  • Soil Name - Razor
  • Taxonomic Class - Fine, smectitic, mesic Torrertic Haplustalfs
  • PSC - 29 to 41 cm.
  • Classificaton Date - 10/25/2011
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - ustic
  • Moisture SUBClass - aridic (torric)
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: residuum weathered from shale
  • Landform: ridge
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: very high
  • Ksat Class Upper: moderately low
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: moderately coherent shale, unspecified at 82cm
  • Geology: Upper Unit Pierre Shale formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

  • Ecological Sites. (Click Ecological Site ID For Link to EDIT.)
    Ecological Site ID Ecological Site Name Correlation Data Classifier
    R067BY047CO Alkaline Plains

    • SITE OBSERVATION

  • Observation Date: 10/25/2011 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - close-grown crop
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - sunny
  • Current Air Temp - 13
    • 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 % % % % % % % % % % % % %

    Ap1

    Ap2

    Btk

    Bk

    BCy

    0

    9

    19

    41

    66

    9

    19

    41

    66

    82

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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

    Ap1

    Ap2

    Btk

    Bk

    BCy

    0

    9

    19

    41

    66

    9

    19

    41

    66

    82

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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 %

    Ap1

    Ap2

    Btk

    Bk

    BCy

    0

    9

    19

    41

    66

    9

    19

    41

    66

    82

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    ec meter, 1:1 water

    ec meter, 1:1 water

    ec meter, 1:1 water

    ec meter, 1:1 water

    ec meter, 1:1 water

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    4

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    11

    7

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

    bedrock, paralithic

    moderately coherent

    82 -

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

    ochric epipedon

    argillic horizon

    gypsic horizon

    paralithic contact

    0—19

    19—41

    66—82

    82—

    —19—

    —22—

    —16—

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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

    7

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    1508.8

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    270

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    Ap1—0 to 9 centimeters (0.0 to 3.5 inches); light olive brown (2.5Y 5/3) broken face, dark grayish brown (2.5Y 4/2) broken face, moist; silty clay loam; 15 percent sand; 55 percent silt; 30 percent clay; moderate thin platy, and moderate fine granular structure; soft, very friable, moderately sticky, moderately plastic; Ksat of 2.82 um/s; moderately slow permeability; 2.0 very fine roots throughout and 1.0 fine roots throughout; carbonate, finely disseminated throughout; fragments; very slight effervescence, by hcl, 1n; moderately alkaline, pH 8.2, pH meter; clear smooth boundary. Lab sample # 12N01003; observed in trench
    Ap2—9 to 19 centimeters (3.5 to 7.5 inches); light olive brown (2.5Y 5/4) broken face, olive brown (2.5Y 4/3) broken face, moist; silty clay loam; 10 percent sand; 52 percent silt; 38 percent clay; moderate medium and coarse subangular blocky structure; very hard, friable, moderately sticky, moderately plastic; Ksat of 0.915 um/s; slow permeability; 3.0 very fine roots throughout; carbonate, finely disseminated throughout; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.1, pH meter; clear smooth boundary. Lab sample # 12N01004; observed in trench
    Btk—19 to 41 centimeters (7.5 to 16.1 inches); light yellowish brown (2.5Y 6/3) broken face, olive brown (2.5Y 4/3) broken face, moist; silty clay; 5 percent sand; 53 percent silt; 42 percent clay; strong medium and coarse prismatic parts to moderate fine and medium angular blocky structure; very hard, firm, very sticky, very plastic; Ksat of 0.915 um/s; slow permeability; 1.0 very fine roots throughout; 15 percent distinct clay films on all faces of peds; 3 percent fine irregular carbonate masses on faces of peds; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.3, pH meter; clear smooth boundary. Lab sample # 12N01005; observed in trench. continuous - phpvsfiid 709740; continuous - phpvsfiid 709740
    Bk—41 to 66 centimeters (16.1 to 26.0 inches); light yellowish brown (2.5Y 6/3) broken face, dark grayish brown (2.5Y 4/2) broken face, moist; silty clay; 5 percent sand; 48 percent silt; 47 percent clay; 5 percent strong brown (7.5YR 4/6) fine and medium mottles; moderate medium and coarse subangular blocky structure; very hard, firm, very sticky, very plastic; Ksat of 0.915 um/s; slow permeability; 1.0 very fine roots throughout; 3 percent fine and medium irregular carbonate masses on faces of peds; 3 percent by volume nonflat angular moderately coherent cemented 2-3-5 millimeter shale, unspecified fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.3, pH meter; clear smooth boundary. Lab sample # 12N01006; observed in trench
    BCy—66 to 82 centimeters (26.0 to 32.3 inches); light yellowish brown (2.5Y 6/3) broken face, dark grayish brown (2.5Y 4/2) broken face, moist; silty clay; 5 percent sand; 50 percent silt; 45 percent clay; 10 percent strong brown (7.5YR 4/6) fine and medium mottles; moderate coarse subangular blocky parts to moderate fine and medium angular blocky structure; very hard, firm, very sticky, very plastic; Ksat of 0.915 um/s; slow permeability; 0.5 very fine roots throughout; 10 percent medium and coarse irregular gypsum crystals, unspecified on faces of peds; 10 percent by volume nonflat angular moderately coherent cemented 2-3-5 millimeter shale, unspecified fragments; noneffervescent, by hcl, 1n; moderately alkaline, pH 8.1, pH meter; clear smooth boundary. Lab sample # 12N01007; observed in trench
    Cr—82 to 163 centimeters (32.3 to 64.2 inches); bedrock; 10 percent strong brown (7.5YR 4/6) medium and coarse mottles; Ksat of 0.705 um/s; slow permeability; 3 percent fine and medium irregular gypsum crystal clusters; fragments. Lab sample # 12N01008; observed in trench