IDENTIFIERS

  • Current Taxon Name (Soil Name): Mountainburg
  • OSD
  • Series Extent
  • User Site ID: 1977AR14305
  • User Pedon ID: 1977AR14305
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - UARK
  • Lab Pedon # - 77WS05
  • NCSS Pedon Lab Data NASIS Record ID - 54411
  • Print Date: 9/23/2024
  • 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: 36.0097000
  • Std. Longitude: -94.4363000
  • Datum: WGS84
  • Township: 15N
  • Range: 33W
  • Section: 1
  • PLSS Details: SE 1/4SE 1/4NE 1/4
  • Location Description: SE1/4SE1/4NE1/4, Sec. 1, T15N, R33W
  • Map Unit: HoF—Hector-Mountainburg stony fine sandy loams, 3 to 40 percent slopes, rocky
  • State: Arkansas
  • County: AR143—Washington
  • MLRA: 117—Boston Mountains
  • MLRA Soil Survey Area: SC-HOT—Hot Springs, Arkansas
  • Non-MLRA Soil Survey Area: AR143—Washington County, Arkansas
  • 7.5 Minute USGS Quad: 36094-A4—Rhea, Arkansas
  • PEDON

  • Describers Name: Univ of Ark placeholder
  • Current Taxonomic Class: Loamy-skeletal, siliceous, subactive, thermic Lithic Hapludults
  • Current Taxon Kind: series
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - Mountainburg
  • Taxonomic Class - Loamy-skeletal, siliceous, subactive, thermic Lithic Hapludults
  • Taxon Kind - series
  • PSC - 25 to 41 cm.
  • Classificaton Date - 3/7/2013
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: loamy residuum weathered from sandstone
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/27/2012 (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

    Bt

    0

    5

    15

    5

    15

    41

    6

    6

    10

    58

    56

    53

    36

    38

    37

    sil

    sil

    sil

    5.5

    5.5

    5.3

    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

    Bt

    0

    5

    15

    5

    15

    41

    10.4

    2.9

    1.7

    0.3

    0.1

    0.1

    5.7

    5.1

    5

    65

    38

    28

    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

    Bt

    0

    5

    15

    5

    15

    41

    0.1

    0.1

    0.1

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

    bedrock, lithic

    51 -

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

    ochric epipedon

    argillic horizon

    lithic contact

    0—15

    15—41

    51—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

    A—0 to 5 centimeters (0.0 to 2.0 inches); very dark grayish brown (10YR 3/2) very stony fine sandy loam; weak fine granular structure; very friable; many medium roots and many fine roots; 5 percent by volume 13-?-76 millimeter sandstone, unspecified fragments and 5 percent by volume 76-?-250 millimeter sandstone, unspecified fragments and 35 percent by volume 250-?-457 millimeter sandstone, unspecified fragments; moderately acid, pH 5.8; abrupt smooth boundary. Lab sample # UAR0008608
    E—5 to 15 centimeters (2.0 to 5.9 inches); brown (10YR 5/3) very stony fine sandy loam; weak medium granular structure; friable; many fine roots; 5 percent by volume 13-?-76 millimeter sandstone, unspecified fragments and 5 percent by volume 76-?-250 millimeter sandstone, unspecified fragments and 35 percent by volume 250-?-457 millimeter sandstone, unspecified fragments; strongly acid, pH 5.3; clear smooth boundary. Lab sample # UAR0008609
    Bt—15 to 41 centimeters (5.9 to 16.1 inches); dark yellowish brown (10YR 4/6) very stony sandy clay loam; weak fine subangular blocky, and weak medium subangular blocky structure; friable; common fine roots; 15 percent clay films on all faces of peds; 5 percent by volume 2-?-76 millimeter sandstone, unspecified fragments and 5 percent by volume 76-?-250 millimeter sandstone, unspecified fragments and 45 percent by volume 250-?-457 millimeter sandstone, unspecified fragments; abrupt irregular boundary. Lab sample # UAR0008610. patchy - phpvsfiid 1108183; patchy - phpvsfiid 1108183
    Cr—41 to 51 centimeters (16.1 to 20.1 inches); fragments.
    R—51 centimeters (20.1 inches); bedrock; fragments.