IDENTIFIERS

  • Current Taxon Name (Soil Name): Pachic Argiustolls
  • OSD
  • Series Extent
  • User Site ID: S1990CO095001
  • User Pedon ID: 90CO095001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 90P0781
  • NCSS Pedon Lab Data NASIS Record ID - 62714
  • 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: 40.6044388
  • Std. Longitude: -102.2054901
  • Datum: WGS84
  • Township: 7N
  • Range: 43W
  • Section: 6
  • PLSS Details: 2,500 feet south and 600 feet east of the northwest corner
  • Map Unit: PaB—Platner loam, 0 to 3 percent slopes
  • State: Colorado
  • County: CO095—Phillips
  • MLRA: 72—Central High Tableland
  • MLRA Soil Survey Area: NW-FTM—Fort Morgan, Colorado
  • Non-MLRA Soil Survey Area: CO095—Phillips County, Colorado
  • 7.5 Minute USGS Quad: 40102-E2—Amherst SW, Colorado

    • PEDON

  • Describers Name: D. Hoover and M. Petersen.
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Pachic Argiustolls
  • Current Taxon Kind: family
  • Pedon Type: not classified to current taxon name
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Pachic Argiustolls
  • PSC - 25 to 71 cm.
  • Classificaton Date - 2/7/2014
  • Classifier - Andy Steinert
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - ustic
  • Moisture Subclass - aridic (torric)
  • Sampled As Information:
  • Soil Name - Rago
  • Taxonomic Class - Fine-silty, mixed Pachic Argiustolls
  • Classificaton Date - 7/1/1990
  • Moisture Class - ustic
  • Moisture SUBClass - aridic (torric)
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • QC Status: level 1


    • SITE

  • Parent Material: loess and/or alluvium
  • Landscape: upland
  • Landform: interfluve
  • Geomorphic Component Hills: interfluve
  • Slope Position: lower third
  • Slope Shape Down: concave
  • Runoff: low
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/1/1990 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    argillic horizon

    calcic horizon

    0—56

    25—71

    107—188

    —56—

    —56—

    —81—
    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

    1

    —

    —

    —

    —

    135

    46

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 15 centimeters (0.0 to 5.9 inches); brown (10YR 5/3), dark brown (10YR 3/3), moist; loam; weak medium subangular blocky structure; soft, very friable; Ksat of 9.17 um/s; moderate permeability; 2 percent by volume 2-39-75 millimeter igneous, unspecified fragments; clear smooth boundary. Lab sample # 90P4560; observed in pit, small. 15% clay
    BA—15 to 25 centimeters (5.9 to 9.8 inches); dark grayish brown (10YR 4/2), very dark grayish brown (10YR 3/2), moist; loam; subangular blocky structure; soft, very friable; Ksat of 9.17 um/s; moderate permeability; 2 percent by volume 2-39-75 millimeter igneous, unspecified fragments; abrupt smooth boundary. Lab sample # 90P4561; observed in pit, small. 18% clay
    2Btb1—25 to 56 centimeters (9.8 to 22.0 inches); very dark grayish brown (10YR 3/2), black (10YR 2/1), moist; silty clay loam; medium prismatic, and medium subangular blocky structure; hard, firm; Ksat of 2.82 um/s; moderately slow permeability; 2 percent by volume 2-39-75 millimeter igneous, unspecified fragments; gradual wavy boundary. Lab sample # 90P4562; observed in pit, small. an estimated 29% clay in the upper part and 33% clay in the lower part
    2Btb2—56 to 71 centimeters (22.0 to 28.0 inches); brown (10YR 5/3), brown (10YR 4/3), moist; silt loam; prismatic, and medium subangular blocky structure; hard, firm; Ksat of 9.17 um/s; moderate permeability; 15 percent very dark grayish brown (10YR 3/2) coats; 11 percent medium cylindrical insect casts; 2 percent by volume 2-39-75 millimeter igneous, unspecified fragments; clear wavy boundary. Lab sample # 90P4563; observed in pit, small. 22% clay; common medium insects casts concentrations; few coats surface features
    2Bk—71 to 107 centimeters (28.0 to 42.1 inches); pale brown (10YR 6/3), brown (10YR 5/3), moist; loam; coarse subangular blocky structure; slightly hard, friable; Ksat of 9.17 um/s; moderate permeability; 11 percent fine irregular carbonate threads; 2 percent by volume 2-39-75 millimeter igneous, unspecified fragments; strong effervescence, by hcl, unspecified; abrupt wavy boundary. Lab sample # 90P4564; observed in pit, small. 18% clay; common fine carbonate threads concentrations
    3C1—107 to 152 centimeters (42.1 to 59.8 inches); light brown (7.5YR 6/4), brown (7.5YR 5/4), moist; gravelly clay loam; massive; very hard, firm; Ksat of 2.82 um/s; moderately slow permeability; 11 percent fine irregular carbonate threads; 25 percent by volume 2-39-75 millimeter igneous, unspecified fragments; strong effervescence, by hcl, unspecified; gradual wavy boundary. Lab sample # 90P4565; observed in pit, small. 30% clay; common fine carbonate threads concentrations
    3C2—152 to 188 centimeters (59.8 to 74.0 inches); light brown (7.5YR 6/4), brown (7.5YR 5/4), moist; gravelly clay loam; massive; very hard, firm; Ksat of 28.225 um/s; moderately rapid permeability; 30 percent by volume 2-39-75 millimeter igneous, unspecified fragments; strong effervescence, by hcl, unspecified; gradual wavy boundary. Lab sample # 90P4566; observed in pit, small. 28% clay
    3C3—188 to 218 centimeters (74.0 to 85.8 inches); pink (7.5YR 7/4), light brown (7.5YR 6/4), moist; gravelly loam; massive; hard, friable; Ksat of 28.225 um/s; moderately rapid permeability; 25 percent by volume 2-39-75 millimeter igneous, unspecified fragments; strong effervescence, by hcl, unspecified; gradual wavy boundary. Lab sample # 90P4567; observed in pit, small. 20% clay
    3C4—218 to 300 centimeters (85.8 to 118.1 inches); pink (7.5YR 7/4), light brown (7.5YR 6/4), moist; gravelly loam; massive; hard, friable; Ksat of 28.225 um/s; moderately rapid permeability; 20 percent by volume 2-39-75 millimeter igneous, unspecified fragments; strong effervescence, by hcl, unspecified; gradual wavy boundary. Lab sample # 90P4568; observed in auger, bucket. 15% clay
    3C5—300 to 366 centimeters (118.1 to 144.1 inches); brown (7.5YR 5/4), brown (7.5YR 4/4), moist; loam; massive; slightly hard, friable; Ksat of 9.17 um/s; moderate permeability; 10 percent by volume 2-39-75 millimeter igneous, unspecified fragments; strong effervescence, by hcl, unspecified. Lab sample # 90P4569; observed in auger, bucket. 15% clay