| *** Primary Characterization Data *** |
| Pedon ID: 82TX289026 | ( Leon, Texas ) | Print Date: Apr 14 2025 2:21PM |
| Sampled as on Apr 1, 1982: | Robco ; Clayey, mixed, thermic Aquic Arenic Paleustalf |
| Revised to correlated: | Robco ; Fine-loamy, siliceous, semiactive, thermic Aquultic Haplustalfs |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP82TX206 LEON COUNTY - LIGNITE STUDY | Natural Resources Conservation Service |
| - | Site ID | S1982TX289026 Lat: 31° 23' 15.00" north Long: 96° 7' 15.00" west MLRA: 87A | National Soil Survey Center | |
| - | Pedon No. | 82P0613 | Soil Survey Laboratory | |
| - | General Methods 1B1A, 2A1, 2B | Lincoln, Nebraska 68508-3866 | ||
| Layer | Horizon | Orig Hzn | Depth (cm) | Field Label 1 | Field Label 2 | Field Label 3 | Field Texture | Lab Texture |
| 82P03199 | Ap | Ap | 0-10 | LFS | LFS | |||
| 82P03200 | A | A | 10-25 | LFS | LFS | |||
| 82P03201 | E1 | E1 | 25-45 | LFS | FSL | |||
| 82P03202 | E2 | E2 | 45-63 | LFS | FSL | |||
| 82P03203 | B/E | B/E | 63-72 | SCL | FSL | |||
| 82P03204 | Bt1 | Bt1 | 72-100 | C | SCL | |||
| 82P03205 | Bt2 | Bt2 | 100-137 | C | SCL | |||
| 82P03206 | B'/E' | B/E | 137-158 | SCL | FSL | |||
| 82P03207 | BC | BC | 158-200 | SCL | FSL | |||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.4 | (NA) | |
| Clay, carbonate free, Weighted Average | 30 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 27 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 30 | % wt | |
| Weighted averages based on control section: 72-112 cm | |||
| *** Primary Characterization Data *** |
| Pedon ID: 82TX289026 | ( Leon, Texas ) | Print Date: Apr 14 2025 2:21PM |
| Sampled As | : | Robco | Clayey, mixed, thermic Aquic Arenic Paleustalf | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 82P0613 | |||
| PSDA & Rock Fragments | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | -15- | -16- | -17- | -18- | |||
| (- - - - - Total - - - - - -) | (- - Clay - - -) | (- - - - Silt - - - - -) | (- - - - - - - - - - - - Sand - - - - - - - - - - - -) | ( Rock Fragments (mm) ) | |||||||||||||||||
| Lab | Clay | Silt | Sand | Fine | CO3 | Fine | Coarse | VF | F | M | C | VC | (- - - - - - - - Weight - - - - - - - -) | >2 mm | |||||||
| Text- | < | .002 | .05 | < | < | .002 | .02 | .05 | .10 | .25 | .5 | 1 | 2 | 5 | 20 | .1- | wt % | ||||
| Depth | ure | .002 | -.05 | -2 | .0002 | .002 | -.02 | -.05 | -.10 | -.25 | -.50 | -1 | -2 | -5 | -20 | -75 | 75 | whole | |||
| Layer | (cm) | Horz | Prep | (- - - - - - - - - - - - - - - - - - - - - - - - - - % of <2mm Mineral Soil - - - - - - - - - - - - - - - - - - - - - - - - - - -) | (- - - - - - - % of <75mm - - - - - -) | soil | |||||||||||||||
| 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3B1 | 3B1 | 3B1 | ||||||||
| 82P03199 | 0-10 | Ap | S | lfs | 2.5 | 17.4 | 80.1 | 3.7 | 13.7 | 38.1 | 40.2 | 1.6 | 0.2 | -- | -- | -- | -- | 42 | -- | ||
| 82P03200 | 10-25 | A | S | lfs | 3.3 | 22.8 | 73.9 | 7.3 | 15.5 | 34.9 | 37.7 | 1.3 | -- | -- | tr | -- | -- | 39 | -- | ||
| 82P03201 | 25-45 | E1 | S | fsl | 2.9 | 24.6 | 72.5 | 8.6 | 16.0 | 34.5 | 36.4 | 1.6 | -- | -- | -- | -- | -- | 38 | -- | ||
| 82P03202 | 45-63 | E2 | S | fsl | 3.3 | 26.9 | 69.8 | 10.2 | 16.7 | 33.7 | 34.5 | 1.6 | -- | -- | -- | -- | -- | 36 | -- | ||
| 82P03203 | 63-72 | B/E | S | fsl | 15.6 | 26.1 | 58.3 | 11.5 | 14.6 | 27.8 | 29.1 | 1.4 | -- | -- | -- | -- | -- | 31 | -- | ||
| 82P03204 | 72-100 | Bt1 | S | scl | 32.8 | 21.5 | 45.7 | 8.3 | 13.2 | 20.7 | 23.8 | 1.2 | -- | -- | tr | tr | -- | 25 | -- | ||
| 82P03205 | 100-137 | Bt2 | S | scl | 22.2 | 24.1 | 53.7 | 9.9 | 14.2 | 21.3 | 30.3 | 2.1 | -- | -- | tr | -- | -- | 32 | -- | ||
| 82P03206 | 137-158 | B'/E' | S | fsl | 9.0 | 21.0 | 70.0 | 8.2 | 12.8 | 23.9 | 42.6 | 3.5 | -- | -- | -- | -- | -- | 46 | -- | ||
| 82P03207 | 158-200 | BC | S | fsl | 9.8 | 17.9 | 72.3 | 5.7 | 12.2 | 22.5 | 46.4 | 3.4 | -- | -- | -- | -- | -- | 50 | -- | ||
| Bulk Density & Moisture | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | |||
| (Bulk Density) | Cole | (- - - - - - - - - - - Water Content - - - - - - - - - - -) | ( Air Dry-Oven Dry ) | WRD | Aggst | ||||||||||||
| 33 | Oven | Whole | 6 | 10 | 33 | 1500 | 1500 kPa | (- - - - Ratio - - - -) | Whole | Stabl | (- - Ratio/Clay - -) | ||||||
| Depth | kPa | Dry | Soil | kPa | kPa | kPa | kPa | Moist | Corrected | Soil | 2-0.5mm | CEC7 | 1500 kPa | ||||
| Layer | (cm) | Horz | Prep | (- - - g cm-3 - - -) | (- - - - - - - - - - - - pct of < 2mm - - - - - - - - - - - -) | cm3 cm-3 | % | ||||||||||
| 4A1d | 4A1h | 4B1c | 3C2a1a | 3D1 | 4C1 | 8D1 | 8D1 | ||||||||||
| 82P03199 | 0-10 | Ap | S | 2.0 | 1.003 | 0.72 | 0.80 | ||||||||||
| 82P03200 | 10-25 | A | S | 1.60 | 1.60 | -- | 5.4 | 1.2 | 1.003 | 0.07 | 0.36 | 0.36 | |||||
| 82P03201 | 25-45 | E1 | S | 1.56 | 1.56 | -- | 5.7 | 1.1 | 1.002 | 0.07 | 0.28 | 0.38 | |||||
| 82P03202 | 45-63 | E2 | S | 1.62 | 1.62 | -- | 4.8 | 1.0 | 1.002 | 0.06 | 0.18 | 0.30 | |||||
| 82P03203 | 63-72 | B/E | S | 6.1 | 1.009 | 0.33 | 0.39 | ||||||||||
| 82P03204 | 72-100 | Bt1 | S | 1.72 | 1.94 | 0.041 | 18.3 | 12.3 | 1.024 | 0.10 | 0.40 | 0.38 | |||||
| 82P03205 | 100-137 | Bt2 | S | 1.76 | 1.96 | 0.037 | 15.1 | 9.9 | 1.014 | 0.09 | 0.41 | 0.45 | |||||
| 82P03206 | 137-158 | B'/E' | S | 1.78 | 1.84 | 0.011 | 13.4 | 4.3 | 1.007 | 0.16 | 0.46 | 0.48 | |||||
| 82P03207 | 158-200 | BC | S | 1.77 | 1.84 | 0.013 | 10.6 | 5.0 | 1.007 | 0.10 | 0.46 | 0.51 | |||||
| *** Primary Characterization Data *** |
| Pedon ID: 82TX289026 | ( Leon, Texas ) | Print Date: Apr 14 2025 2:21PM |
| Sampled As | : | Robco | Clayey, mixed, thermic Aquic Arenic Paleustalf | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 82P0613 | |||
| Carbon & Extractions | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | -15- | -16- | -17- | -18- | -19- | |||
| (- - - - - Total - - - - -) | Est | OC | C/N | (- - - Dith-Cit Ext - - -) | (- - - - - - Ammonium Oxalate Extraction - - - - - -) | (- - - Na Pyro-Phosphate - - -) | ||||||||||||||||
| Depth | C | N | S | OC | (WB) | Ratio | Fe | Al | Mn | Al+½Fe | ODOE | Fe | Al | Si | Mn | C | Fe | Al | Mn | |||
| Layer | (cm) | Horz | Prep | (- - - - - - - - - - % of <2 mm - - - - - - - - - -) | (- - - - - - - - - - - - - - - - - - - % of < 2mm - - - - - - - - - - - - - - - - -) | mg kg-1 | (- - - - - - % of < 2mm - - - - -) | |||||||||||||||
| 6B3a | 6A1c | 6C2b | 6G7a | 6D2a | ||||||||||||||||||
| 82P03199 | 0-10 | Ap | S | 0.053 | 0.64 | 12 | 0.1 | tr | -- | |||||||||||||
| 82P03200 | 10-25 | A | S | 0.022 | 0.26 | 12 | 0.2 | tr | -- | |||||||||||||
| 82P03201 | 25-45 | E1 | S | 0.017 | 0.18 | 11 | 0.2 | tr | -- | |||||||||||||
| 82P03202 | 45-63 | E2 | S | 0.008 | 0.13 | 16 | 0.1 | tr | -- | |||||||||||||
| 82P03203 | 63-72 | B/E | S | 0.022 | 0.21 | 10 | 0.6 | 0.1 | -- | |||||||||||||
| 82P03204 | 72-100 | Bt1 | S | 0.035 | 0.23 | 7 | 0.4 | 0.1 | -- | |||||||||||||
| 82P03205 | 100-137 | Bt2 | S | 0.08 | 0.4 | 0.1 | -- | |||||||||||||||
| 82P03206 | 137-158 | B'/E' | S | 0.05 | 0.1 | tr | -- | |||||||||||||||
| 82P03207 | 158-200 | BC | S | 0.06 | 0.2 | 0.1 | -- | |||||||||||||||
| CEC & Bases | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | |||
| (- - - - - - NH4OAC Extractable Bases - - - - -) | CEC8 | CEC7 | ECEC | (- - - - Base - - - -) | |||||||||||||
| Sum | Acid- | Extr | KCl | Sum | NH4 | Bases | Al | (- Saturation -) | |||||||||
| Depth | Ca | Mg | Na | K | Bases | ity | Al | Mn | Cats | OAC | +Al | Sat | Sum | NH4OAC | |||
| Layer | (cm) | Horz | Prep | (- - - - - - - - - - - - - - - - - cmol(+) kg-1 - - - - - - - - - - - - - - - - - - -) | mg kg-1 | (- - - - cmol(+) kg-1 - - -) | (- - - - - - - - % - - - - - - - -) | ||||||||||
| 6N2e | 6O2d | 6P2b | 6Q2b | 6H5a | 6G9a | 5A3a | 5A8b | 5A3b | 5G1 | 5C3 | 5C1 | ||||||
| 82P03199 | 0-10 | Ap | S | 0.2 | 0.1 | -- | 0.1 | 0.4 | 3.6 | 0.5 | 4.0 | 1.8 | 0.9 | 56 | 10 | 22 | |
| 82P03200 | 10-25 | A | S | 0.3 | 0.1 | tr | 0.1 | 0.5 | 2.6 | 0.6 | 3.1 | 1.2 | 1.1 | 55 | 16 | 42 | |
| 82P03201 | 25-45 | E1 | S | 0.5 | 0.1 | tr | 0.1 | 0.7 | 1.6 | 0.3 | 2.3 | 0.8 | 1.0 | 30 | 30 | 88 | |
| 82P03202 | 45-63 | E2 | S | 0.5* | 0.1 | tr | tr | 0.6 | 1.2 | 0.1 | 1.8 | 0.6 | 0.7 | 14 | 33 | 100 | |
| 82P03203 | 63-72 | B/E | S | 1.7 | 1.0 | 0.3 | 0.1 | 3.1 | 4.6 | 1.2 | 7.7 | 5.1 | 4.3 | 28 | 40 | 61 | |
| 82P03204 | 72-100 | Bt1 | S | 3.2 | 3.7 | 1.0 | 0.2 | 8.1 | 8.9 | 3.1 | 17.0 | 13.2 | 11.2 | 28 | 48 | 61 | |
| 82P03205 | 100-137 | Bt2 | S | 2.3 | 4.0 | 1.8 | 0.2 | 8.3 | 3.5 | 0.3 | 11.8 | 9.1 | 8.6 | 3 | 70 | 91 | |
| 82P03206 | 137-158 | B'/E' | S | 1.1* | 1.9 | 1.1 | 0.1 | 4.2 | 1.6 | 5.8 | 4.1 | 72 | 100 | ||||
| 82P03207 | 158-200 | BC | S | 1.3* | 1.9 | 1.4 | 0.1 | 4.7 | 0.9 | 5.6 | 4.5 | 84 | 100 | ||||
| *** Primary Characterization Data *** |
| Pedon ID: 82TX289026 | ( Leon, Texas ) | Print Date: Apr 14 2025 2:21PM |
| Sampled As | : | Robco | Clayey, mixed, thermic Aquic Arenic Paleustalf | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 82P0613 | |||
| Salt | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | -15- | -16- | -17- | -18- | -19- | -20- | |||
| (- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Water Extracted From Saturated Paste - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -) | 1:2 | ||||||||||||||||||||||
| Total | Elec | Elec | Exch | ||||||||||||||||||||
| Depth | Ca | Mg | Na | K | CO3 | HCO3 | F | Cl | PO4 | Br | OAC | SO4 | NO2 | NO3 | H2O | Salts | Cond | Cond | Na | SAR | |||
| Layer | (cm) | Horz | Prep | (- - - - - mmol(+) L-1 - - - - -) | (- - - - - - - - - - - - - - - - - - - - - - mmol(-) L-1 - - - - - - - - - - - - - - - - - - - -) | (- - - - % - - - -) | (- - dS m-1 - -) | % | |||||||||||||||
| 82P03199 | 0-10 | Ap | S | -- | |||||||||||||||||||
| 82P03200 | 10-25 | A | S | -- | |||||||||||||||||||
| 82P03201 | 25-45 | E1 | S | -- | |||||||||||||||||||
| 82P03202 | 45-63 | E2 | S | -- | |||||||||||||||||||
| 82P03203 | 63-72 | B/E | S | 6 | |||||||||||||||||||
| 82P03204 | 72-100 | Bt1 | S | 8 | |||||||||||||||||||
| 82P03205 | 100-137 | Bt2 | S | 20 | |||||||||||||||||||
| 82P03206 | 137-158 | B'/E' | S | 27 | |||||||||||||||||||
| 82P03207 | 158-200 | BC | S | 31 | |||||||||||||||||||
| pH & Carbonates | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | |||
| (- - - - - - - - - - - - - - - - - - pH - - - - - - - - - - - - - - - - -) | (- - Carbonate - -) | (- - Gypsum - - -) | ||||||||||||
| CaCl2 | As CaCO3 | As CaSO4*2H2O | Resist | |||||||||||
| Depth | 0.01M | H2O | Sat | <2mm | <20mm | <2mm | <20mm | ohms | ||||||
| Layer | (cm) | Horz | Prep | KCl | 1:2 | 1:1 | Paste | Oxid | NaF | (- - - - - - - - - - - - % - - - - - - - - - - -) | cm-1 | |||
| 4C1a2a3 | 4C1a2a | 4C1a2a | ||||||||||||
| 82P03199 | 0-10 | Ap | S | 3.5 | 3.7 | 4.0 | ||||||||
| 82P03200 | 10-25 | A | S | 3.8 | 4.1 | 4.2 | ||||||||
| 82P03201 | 25-45 | E1 | S | 4.0 | 4.4 | 4.7 | ||||||||
| 82P03202 | 45-63 | E2 | S | 4.1 | 4.7 | 5.0 | ||||||||
| 82P03203 | 63-72 | B/E | S | 3.6 | 4.5 | 4.8 | ||||||||
| 82P03204 | 72-100 | Bt1 | S | 3.4 | 4.4 | 4.9 | ||||||||
| 82P03205 | 100-137 | Bt2 | S | 3.6 | 4.4 | 5.0 | ||||||||
| 82P03206 | 137-158 | B'/E' | S | 4.0 | 5.1 | 5.6 | ||||||||
| 82P03207 | 158-200 | BC | S | 4.5 | 5.8 | 6.3 | ||||||||
| *** Primary Characterization Data *** |
| Pedon ID: 82TX289026 | ( Leon, Texas ) | Print Date: Apr 14 2025 2:21PM |
| Sampled As | : | Robco | Clayey, mixed, thermic Aquic Arenic Paleustalf | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 82P0613 | |||
| Clay Mineralogy (<.002 mm) | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | -15- | -16- | -17- | -18- | |||
| X-Ray | Thermal | Elemental | EGME | Inter | |||||||||||||||||
| SiO2 | Al2O3 | Fe2O3 | MgO | CaO | K2O | Na2O | Retn | preta | |||||||||||||
| Depth | Fract | 7A2i | 7A3b | 7C3 | tion | ||||||||||||||||
| Layer | (cm) | Horz | ion | ( - - - - - - - - - peak size - - - - - - - - - - ) | (- - - - - - - - - % - - - - - - - - - -) | (- - - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - - - - -) | mg g-1 | ||||||||||||||
| 82P03204 | 72.0-100.0 | Bt1 | tcly | MT 3 | KK 3 | MI 2 | QZ 1 | KK 14 | 6.3 | 1.2 | |||||||||||
| FRACTION INTERPRETATION: | ||||
| tcly - Total Clay <0.002 mm | ||||
| MINERAL INTERPRETATION: | ||||
| KK Kaolinite | MI Mica | MT Montmorillonite | QZ Quartz | |
| RELATIVE PEAK SIZE: | 5 Very Large | 4 Large | 3 Medium | 2 Small | 1 Very Small | 6 No Peaks |
| *** Primary Characterization Data *** |
| Pedon ID: 82TX289026 | ( Leon, Texas ) | Print Date: Apr 14 2025 2:21PM |
| Sampled As | : | Robco | Clayey, mixed, thermic Aquic Arenic Paleustalf | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 82P0613 | |||
| Sand - Silt Mineralogy (2.0-0.002 mm) | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | -15- | -16- | -17- | -18- | |||
| X-Ray | Thermal | Optical | EGME | Inter | |||||||||||||||||
| Tot Re | Grain Count | Retn | preta | ||||||||||||||||||
| Depth | Fract | 7B1a2 | tion | ||||||||||||||||||
| Layer | (cm) | Horz | ion | ( - - - - - - - - peak size - - - - - - - - - ) | (- - - - - - - - % - - - - - - - - - -) | (- - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - -) | mg g-1 | ||||||||||||||
| 82P03201 | 25.0-45.0 | E1 | vfs | 95 | QZ 94 | FK 5 | OP 1 | ZR tr | PO tr | RU tr | |||||||||||
| 82P03204 | 72.0-100.0 | Bt1 | vfs | 94 | QZ 93 | FK 5 | OP 1 | EP tr | HN tr | ZR tr | |||||||||||
| PO tr | |||||||||||||||||||||
| FRACTION INTERPRETATION: | ||||
| vfs - Very Fine Sand 0.05-0.1 mm | ||||
| MINERAL INTERPRETATION: | ||||
| EP Epidote | FK Potassium Feldspar | HN Hornblende | OP Opaques | PO Plant Opal |
| QZ Quartz | RU Rutile | ZR Zircon | ||