IDENTIFIERS

  • Current Taxon Name (Soil Name): Tinn
  • OSD
  • Series Extent
  • User Site ID: S08TX491001
  • User Pedon ID: S08TX491001
  • Vegetation Plot ID: S08TX491001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - TAMU
  • Lab Pedon # - S08TX491001
  • NCSS Pedon Lab Data NASIS Record ID - 45597
  • Print Date: 3/2/2025

    • 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: 30.5731869
  • Std. Longitude: -97.2817993
  • Datum: WGS84
  • State: Texas
  • County: TX491—Williamson
  • MLRA: 86A—Texas Blackland Prairie, Northern Part
  • 7.5 Minute USGS Quad: 30097-E3—Thrall, Texas

    • PEDON

  • Describers Name: RMR, PDH, JAG, Mike Reed
  • Current Taxonomic Class: Fine, smectitic, thermic Typic Hapluderts
  • Current Taxon Kind: series
  • Pedon Type: representative pedon for component
  • Pedon Purpose: research site
  • Pedon Record Orgin: PedonPC
  • Correlated Information:
  • Soil Name - Tinn
  • PSC - 25 to 100 cm.
  • Classificaton Date - 7/23/2013
  • Classifier - Chance M. Robinson
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Tinn
  • Classificaton Date - 12/3/2008
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: calcalcareous clayey alluvium derived from mudstone
  • Landscape: dissected plains
  • Landform: narrow drainageway
  • Slope Shape Across: linear
  • Slope Shape Down: concave
  • Runoff: very low
  • Drainage Class: poorly
  • Flooding: frequent flooding
  • Ponding: none ponding
  • Geology: Qal formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/3/2008 (actual site observation date)
  • Air Photo ID:
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Yield Study ID -
  • Current Weather - partly cloudy
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    AMDR

    AMPS

    BOSA

    CELTI

    CYDA

    PRGLG

    SOHA

    ULCR

    Amphiachyris dracunculoides

    Ambrosia psilostachya

    Bothriochloa saccharoides

    Celtis

    Cynodon dactylon

    Prosopis glandulosa var. glandulosa

    Sorghum halepense

    Ulmus crassifolia

    prairie broomweed

    Cuman ragweed

    silver bluestem

    hackberry

    Bermudagrass

    honey mesquite

    Johnsongrass

    cedar elm

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

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

    ochric epipedon

    slickensides

    secondary carbonates

    cambic horizon

    lithologic discontinuity

    salt accumulations

    0—30

    30—197

    30—197

    30—197

    74—

    197—207

    —-

    —-

    —-

    —-

    —-

    —-
    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

    —

    —

    —

    132

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A1—0 to 8 centimeters (0.0 to 3.1 inches); very dark gray (10YR 3/1) silty clay; moderate medium subangular blocky structure; hard, firm; fragments; slight effervescence, by hcl, 1n; slightly alkaline, pH 7.7, pH meter. Lab sample # TAMU7425; dry when described; observed in trench
    A2—8 to 30 centimeters (3.1 to 11.8 inches); very dark gray (10YR 3/1) silty clay; moderate coarse subangular blocky structure; very hard, firm; fragments; strong effervescence, by hcl, 1n; slightly alkaline, pH 7.8, pH meter. Lab sample # TAMU7426; dry when described; observed in trench
    Bkss—30 to 74 centimeters (11.8 to 29.1 inches); very dark gray (10YR 3/1) silty clay; moderate medium wedge structure; extremely hard, very firm; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 7.9, pH meter. Lab sample # TAMU7427; dry when described; observed in trench
    Assb—74 to 90 centimeters (29.1 to 35.4 inches); black (10YR 2/1) clay; moderate medium subangular blocky structure; hard, firm; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 7.9, pH meter. Lab sample # TAMU7428; dry when described; observed in trench
    Bkssb1—90 to 123 centimeters (35.4 to 48.4 inches); dark grayish brown (2.5Y 4/2) clay; 15 percent brown (7.5YR 4/4) fine prominent mottles; moderate medium angular blocky structure; extremely hard, very firm; 3 percent fine carbonate masses; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0, pH meter. Lab sample # TAMU7429; dry when described; observed in trench
    Bkssb2—123 to 156 centimeters (48.4 to 61.4 inches); dark gray (2.5Y 4/1) clay; moderate medium angular blocky structure; extremely hard, very firm; 3 percent fine carbonate masses; fragments; slight effervescence, by hcl, 1n; moderately alkaline, pH 8.0, pH meter. Lab sample # TAMU7430; dry when described; observed in trench
    Bkssb3—156 to 197 centimeters (61.4 to 77.6 inches); dark grayish brown (2.5Y 4/2) clay; moderate medium angular blocky structure; extremely hard, very firm; fragments; slight effervescence, by hcl, 1n; slightly alkaline, pH 7.7, pH meter. Lab sample # TAMU7431; dry when described; observed in trench
    Cz—197 to 207 centimeters (77.6 to 81.5 inches); dark grayish brown (2.5Y 4/2) clay; structureless massive; extremely hard, very firm; fragments; slight effervescence, by hcl, 1n; slightly alkaline, pH 7.7, pH meter. Lab sample # TAMU7432; dry when described; observed in trench