| *** Taxonomy Characterization Data *** |
| Pedon ID: 82TX289027 | ( Leon, Texas ) | Print Date: Feb 17 2025 1:29PM |
| Sampled as on Mar 30, 1982: | Marquez ; Clayey, mixed Typic Haplustalfs |
| Revised to correlated on Sep 1, 1984: | (unnamed) ; Fine, mixed, semiactive, thermic Udic Paleustalf |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP82TX206 LEON COUNTY - LIGNITE STUDY | Natural Resources Conservation Service |
| - | Site ID | S1982TX289027 Lat: 31° 19' 55.00" north Long: 96° 13' 10.00" west MLRA: 87A | National Soil Survey Center | |
| - | Pedon No. | 82P0614 | Soil Survey Laboratory | |
| - | General Methods 1B1A, 2A1, 2B | Lincoln, Nebraska 68508-3866 | ||
| Taxonomy Tier 1 | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | |||
| Fine | CaCO3 | 1500 | .1-75 | Bulk | Cole | Vol | Resist | ||||||
| Clay | Clay | Clay | kPa | Clay | mm | Den | Whole | % of | Min | ||||
| Depth | <.002 | <.0002 | <.002 | /Clay | Est | Frac | 33 kPa | Soil | Whole | % | |||
| Layer | (cm) | Horz | Prep | (---------% of <2 mm-------) | (-------- % --------) | g cm-3 | cm cm-1 | ||||||
| 3A1a1a | 8D1 | 4A1d | 7B1a2 | ||||||||||
| 82P03208 | 0-15 | Ap | S | 3.7 | 0.95 | 26 | 6 | ||||||
| 82P03209 | 15-30 | E | S | 4.1 | 0.71 | 39 | 17 | 97 | |||||
| 82P03210 | 30-74 | Bt1 | S | 51.1 | 0.39 | 11 | 1.44 | 0.049 | 3 | ||||
| 82P03211 | 74-102 | Bt2 | S | 34.1 | 0.39 | 6 | 1.63 | 0.018 | 1 | ||||
| 82P03212 | 102-137 | BC | S | 14.8 | 0.47 | 9 | 1.63 | 0.012 | 1 | ||||
| 82P03213 | 137-200 | C | S | 21.5 | 0.44 | 11 | 1.67 | 0.014 | 1 | 97 | |||
| Taxonomy Tier 2 | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | -15- | -16- | |||
| pH | pH | Org | Tot | Al+½ Fe | CO3 as | (--- Base Sat ---) | NZ | ECEC | CEC7 | ECEC | Al | ||||||||
| Depth | H2O | NaF | C | C | Oxal | ODOE | CaCO3 | NH4 | Bases | P Ret | cmol(+) | /Clay | /Clay | Sat | E C | ESP | |||
| Layer | (cm) | Horz | Prep | (------------------------------------------ % --------------------------------------------) | kg -1 | % | dS m-1 | % | |||||||||||
| 4C1a2a | 6A1c | 5C1 | 5C3 | 5A3b | 8D1 | 5G1 | 5D2 | ||||||||||||
| 82P03208 | 0-15 | Ap | S | 4.5 | 1.11 | 60 | 39 | 2.9 | 1.22 | 0.78 | 7 | -- | |||||||
| 82P03209 | 15-30 | E | S | 5.5 | 0.36 | 75 | 63 | 0.78 | -- | ||||||||||
| 82P03210 | 30-74 | Bt1 | S | 5.0 | 0.66 | 60 | 47 | 12.1 | 0.33 | 0.24 | 16 | 1 | |||||||
| 82P03211 | 74-102 | Bt2 | S | 4.9 | 0.29 | 58 | 48 | 9.2 | 0.35 | 0.27 | 25 | -- | |||||||
| 82P03212 | 102-137 | BC | S | 4.9 | 0.13 | 65 | 57 | 5.3 | 0.43 | 0.36 | 23 | 2 | |||||||
| 82P03213 | 137-200 | C | S | 5.1 | 0.11 | 71 | 60 | 7.5 | 0.42 | 0.35 | 13 | 2 | |||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.34 | (NA) | |
| Clay, carbonate free, Weighted Average | 49 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 10 | % wt | |
| Volume, >2mm, Weighted Average | 2 | % vol | |
| Clay, total, Weighted Average | 49 | % wt | |
| Weighted averages based on control section: 30-80 cm | |||