IDENTIFIERS

  • Current Taxon Name (Soil Name): Mountainburg
  • OSD
  • Series Extent
  • User Site ID: S1969AR00902
  • User Pedon ID: 1969AR00902
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - UARK
  • Lab Pedon # - 69BO02
  • NCSS Pedon Lab Data NASIS Record ID - 53428
  • Print Date: 11/11/2024

    • 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: 36.2135194
  • Std. Longitude: -93.2817306
  • Datum: WGS84
  • Map Unit: 28—Mountainburg-Steprock very stony fine sandy loam, 3 to 8 percent slopes
  • State: Arkansas
  • County: AR009—Boone
  • MLRA: 117—Boston Mountains
  • MLRA Soil Survey Area: SC-HOT—Hot Springs, Arkansas
  • Non-MLRA Soil Survey Area: AR009—Boone County, Arkansas
  • 7.5 Minute USGS Quad: 36093-B3—Osage NE, Arkansas

    • PEDON

  • Current Taxonomic Class: Loamy-skeletal, siliceous, subactive, thermic Lithic Hapludults
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Record Orgin: Pedon PC 5.1
  • Correlated Information:
  • Soil Name - Mountainburg
  • PSC - 25 to 46 cm.
  • Classificaton Date - 11/14/2012
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - udic
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Mountainburg
  • Taxonomic Class - Loamy-skeletal, siliceous, subactive, thermic Lithic Hapludults
  • Taxon Kind - series
  • PSC - 25 to 46 cm.
  • Classificaton Date - 11/14/2012
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - udic
  • Moisture SUBClass - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: residuum weathered from sandstone
  • Landscape: hills
  • Landform: hillslope
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Drainage Class: well
  • Bedrock: strongly coherent sandstone, unspecified at 46cm with 45 to <100
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/14/2012 (entry creation date)
  • 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

    E

    Bt1

    Bt2

    3

    6

    21

    33

    6

    21

    33

    46

    5742

    5743

    5744

    5745

    Harper

    Harper

    Harper

    Harper

    5.3

    7.9

    —

    —

    —

    —

    —

    —

    50.3

    48

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    —

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    44.4

    44.1

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    sil

    l

    l

    l

    —

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    5.7

    5.1

    5

    4.9
    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

    E

    Bt1

    Bt2

    3

    6

    21

    33

    6

    21

    33

    46

    5742

    5743

    5744

    5745

    —

    —

    —

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    4.1

    1.1

    1

    0.9

    0.2

    0.1

    0.1

    0.1

    —

    —

    —

    —

    11.8

    9.6

    7

    8

    28

    13

    16

    12

    —

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    —

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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 %

    A

    E

    Bt1

    Bt2

    3

    6

    21

    33

    6

    21

    33

    46

    5742

    5743

    5744

    5745

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

    bedrock, lithic

    —

    46 -

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

    ochric epipedon

    argillic horizon

    lithic contact

    0—18

    18—43

    43—43

    —-

    —-

    —-
    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

    5

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    A—0 to 3 centimeters (0.0 to 1.2 inches); very dark grayish brown (10YR 3/2) very stony fine sandy loam; moderate medium granular structure; very friable; many (7.0) roots; 60 percent by volume 250-380-600 millimeter sandstone, unspecified fragments; slightly acid, pH 6.5; abrupt irregular boundary. Lab sample # UAR0005742
    E—3 to 18 centimeters (1.2 to 7.1 inches); brown (10YR 4/3) very stony loam; moderate medium granular structure; friable; many (7.0) roots; 50 percent by volume 250-380-600 millimeter sandstone, unspecified fragments; moderately acid, pH 6.0; clear irregular boundary. Lab sample # UAR0005743
    Bt1—18 to 30 centimeters (7.1 to 11.8 inches); yellowish brown (10YR 5/6) very stony loam; weak medium subangular blocky structure; friable; 3.0 roots; 7.0 medium tubular pores; clay films on all faces of peds and clay films on surfaces along pores; 50 percent by volume 250-350-600 millimeter sandstone, unspecified fragments; strongly acid, pH 5.5; clear smooth boundary. Lab sample # UAR0005744. patchy - phpvsfiid 1108096; patchy - phpvsfiid 1108097; patchy - phpvsfiid 1108096; patchy - phpvsfiid 1108097
    Bt2—30 to 43 centimeters (11.8 to 16.9 inches); strong brown (7.5YR 5/6) very stony loam; moderate medium subangular blocky structure; firm; common (3.0) roots; many (7.0) medium tubular pores; clay films; 50 percent by volume 150-?-380 millimeter sandstone, unspecified fragments; very strongly acid, pH 5.0; abrupt smooth boundary. Lab sample # UAR0005745. patchy - phpvsfiid 1108098; patchy - phpvsfiid 1108098
    R—43 centimeters (16.9 inches); bedrock; fragments.