IDENTIFIERS

  • Current Taxon Name (Soil Name): Newellton
  • OSD
  • Series Extent
  • User Site ID: S1996LA107003
  • User Pedon ID: 1996LA107003
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 96P0212
  • NCSS Pedon Lab Data NASIS Record ID - 68290
  • Print Date: 12/11/2024
  • 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: 32.0905571
  • Std. Longitude: -91.2163925
  • Datum: WGS84
  • Township: 13N
  • Range: 12E
  • Section: 45
  • PLSS Details: NW 1/4 SW 1/4
  • Location Description: 1,450 feet north on Highway 605 from its intersection with Highway 4 in Newellton, Louisiana, 0.95 mile east on Highway 887, about 1.2 miles northeast on Highway 808, and 450 feet due west of the road into a field. Newellton, LA USGS 7.5-minute quadrangle
  • Map Unit: NeA—Newellton clay, 0 to 1 percent slopes
  • State: Louisiana
  • County: LA107—Tensas
  • MLRA: 131—Southern Mississippi Valley Alluvium
  • Regional Office: 7—Auburn, AL
  • MLRA Soil Survey Area: SE-GRM—Greenwood, Mississippi
  • Non-MLRA Soil Survey Area: LA107—Tensas Parish, Louisiana
  • 7.5 Minute USGS Quad: 32091-A2—Newellton, Louisiana
  • PEDON

  • Describers Name: Guillory, Slabough
  • Current Taxonomic Class: Clayey over loamy, smectitic over mixed, superactive, nonacid, thermic Fluvaquentic Epiaquepts
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - Newellton
  • PSC - 25 to 100 cm.
  • Classificaton Date - 11/13/2014
  • Classifier - R. Stout Evans
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - aquic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Newelton
  • Taxonomic Class - Clayey over loamy, montmorillonitic, nonacid Aeric Fluvaquents
  • PSC - 25 to 100 cm.
  • Classificaton Date - 4/9/1996
  • Moisture Class - aquic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 3
  • QA Status: level 3


  • SITE

  • Parent Material: clayey alluvium over loamy alluvium
  • Landscape: Mississippi River meander belt
  • Landform: low ridge of meander scroll
  • Anthropogenic Feature: leveled land
  • Geomorphic Component Flats: rise
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: medium
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/9/1996 (actual site observation date)
  • Air Photo ID: 9d
  • 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

    ochric epipedon

    slickensides

    0—17

    17—31

    —-

    —-

    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

    0

    23

    90

    1379

    18.3

    21.1

    8.3

    8163

    Temp. & Precip

    Ap—0 to 17 centimeters (0.0 to 6.7 inches); very dark grayish brown (10YR 3/2) broken face clay; weak medium subangular blocky structure; firm, very sticky, very plastic; 0.5 fine roots throughout; 15 percent fine irregular noncoherent cemented dark yellowish brown (10YR 4/4) masses of oxidized iron throughout; fragments; gradual smooth boundary. Lab sample # 96P01689. Lower part of horizon has plow pan. Common pressure faces.
    Bss—17 to 31 centimeters (6.7 to 12.2 inches); dark grayish brown (10YR 4/2) broken face clay; moderate medium angular blocky structure; firm, very sticky, very plastic; 0.1 very fine roots throughout; 25 percent fine irregular noncoherent cemented dark yellowish brown (10YR 4/4) masses of oxidized iron throughout; 25 percent fine irregular noncoherent cemented dark gray (10YR 4/1) throughout; fragments; clear smooth boundary. Lab sample # 96P01690. Many pressure faces; slick on sides that intersect. Wedge shaped aggregates.
    Bk1—31 to 48 centimeters (12.2 to 18.9 inches); dark grayish brown (10YR 4/2) broken face silty clay; moderate medium angular blocky structure; firm, very plastic; 0.1 fine roots throughout; 0.5 fine low-continuity tubular pores; 25 percent fine irregular noncoherent cemented brown (10YR 4/3) masses of oxidized iron throughout; fragments; slight effervescence, by hcl, 1n; gradual smooth boundary. Lab sample # 96P01691. Many pressure faces.
    Bk2—48 to 63 centimeters (18.9 to 24.8 inches); dark grayish brown (10YR 4/2) broken face silty clay; moderate medium angular blocky structure; firm, very plastic; 0.1 fine roots throughout; 0.5 fine low-continuity tubular pores; 25 percent medium irregular noncoherent cemented strong brown (7.5YR 5/6) masses of oxidized iron throughout; 25 percent fine irregular weakly coherent cemented carbonate concretions throughout; fragments; strong effervescence, by hcl, 1n; abrupt smooth boundary. Lab sample # 96P01692. Common pressure faces.
    C1—63 to 84 centimeters (24.8 to 33.1 inches); 55 percent grayish brown (10YR 5/2) broken face and 45 percent pale brown (10YR 6/3) broken face fine sandy loam, sand; massive; friable; 0.1 fine roots throughout; 0.5 fine low-continuity tubular pores; 15 percent medium irregular noncoherent cemented yellowish brown (10YR 5/4) masses of oxidized iron throughout; fragments; clear smooth boundary. Lab sample # 96P01693. Few, fine 10YR 4/2 lenses of organic stains. C1 through C7 stratified.
    C2—84 to 95 centimeters (33.1 to 37.4 inches); 55 percent grayish brown (10YR 5/2) broken face and 45 percent yellowish brown (10YR 5/6) broken face fine sandy loam; massive; friable; 0.1 fine roots throughout; 0.5 fine low-continuity tubular pores; fragments; gradual smooth boundary. Lab sample # 96P01694. Few, Fine 10YR 4/2 lenses of organic stains.
    C3—95 to 127 centimeters (37.4 to 50.0 inches); 55 percent grayish brown (10YR 5/2) broken face and 45 percent brown (10YR 5/3) broken face fine sandy loam; weak fine platy structure; very friable; 0.1 fine roots throughout; 0.5 fine low-continuity tubular pores; 15 percent fine irregular yellowish brown (10YR 5/6) masses of oxidized iron between peds; fragments; abrupt smooth boundary. Lab sample # 96P01695
    C4—127 to 154 centimeters (50.0 to 60.6 inches); 55 percent brown (10YR 5/3) broken face and 45 percent grayish brown (10YR 5/2) broken face loamy fine sand, sand; weak fine platy structure; very friable; fragments; diffuse smooth boundary. Lab sample # 96P01696. Few, fine 10YR 4/2 lenses of organic stains.
    C5—154 to 171 centimeters (60.6 to 67.3 inches); 55 percent yellowish brown (10YR 5/4) broken face and 45 percent grayish brown (2.5Y 5/2) broken face loamy fine sand, sand; massive, and massive; loose; fragments; diffuse smooth boundary. Lab sample # 96P01697. Few, fine 10YR 4/2 lenses of organic stains.
    C6—171 to 201 centimeters (67.3 to 79.1 inches); 55 percent brown (10YR 5/3) broken face and 45 percent pale brown (10YR 6/3) broken face loamy fine sand, sand; massive; loose; fragments; diffuse smooth boundary. Lab sample # 96P01698. M1 10YR 2/1 lenses of organic stains; thin layers mica.
    C7—201 to 253 centimeters (79.1 to 99.6 inches); brown (10YR 5/3) broken face loamy fine sand; massive; loose; fragments. Lab sample # 96P01699. C1 10YR 2/1 lenses of organic stains; thin layers mica.