| *** Primary Characterization Data *** |
| Pedon ID: S2012TX365003 | ( Panola, Texas ) | Print Date: Apr 25 2024 9:07AM |
| Sampled as on Jun 3, 2012: | Eastwood ; Fine, smectitic, thermic Chromic Vertic Hapludalf |
| Revised to correlated: | Eastwood ; Fine, smectitic, thermic Chromic Vertic Hapludalfs |
| United States Department of Agriculture | ||||
| SSL | - | Project | C2012USTX080 MLRA 133B Wilcox Geology Soils | Natural Resources Conservation Service |
| - | Site ID | S2012TX365003 Lat: 32° 17' 13.32" north Long: 94° 13' 27.17" west MLRA: 133B | National Soil Survey Center | |
| - | Pedon No. | 12N8138 | Kellogg 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 |
| 12N03601 | Ap | Ap | 0-13 | S2012TX365003-1 | L | VFSL | ||
| 12N03602 | E | E | 13-29 | S2012TX365003-2 | L | VFSL | ||
| 12N03603 | Bt1 | Bt1 | 29-42 | S2012TX365003-3 | C | CL | ||
| 12N03604 | Bt2 | Bt2 | 42-65 | S2012TX365003-4 | C | C | ||
| 12N03605 | Btss1 | Btss1 | 65-87 | S2012TX365003-5 | C | C | ||
| 12N03606 | Btss2 | Btss2 | 87-117 | S2012TX365003-6 | C | C | ||
| 12N03607 | BCt | BCt | 117-133 | S2012TX365003-7 | CL | CL | ||
| 12N03608 | BC | BC | 133-149 | S2012TX365003-8 | CL FSL | CL | ||
| 12N03609 | C | C | 149-200 | S2012TX365003-9 | L FSL | CL | ||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 7 | % wt | |
| Volume, >2mm, Weighted Average | 1 | % vol | |
| Clay, total, Weighted Average | 42 | % wt | |
| Clay, carbonate free, Weighted Average | 42 | % wt | |
| CEC Activity, CEC7/Clay, Weighted Average, CECd, Set 4 | 0.42 | (NA) | |
| Weighted averages based on control section: 29-79 cm | |||
| *** Primary Characterization Data *** |
| Pedon ID: S2012TX365003 | ( Panola, Texas ) | Print Date: Apr 25 2024 9:07AM |
| Sampled As | : | Eastwood | Fine, smectitic, thermic Chromic Vertic Hapludalf | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 12N8138 | |||
| 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 | |||||||||||||||
| 12N03601 | 0-13 | Ap | S | vfsl | 9.0 | 27.4 | 63.6 | 6.9 | 20.5 | 44.4 | 16.8 | 0.9 | 0.9 | 0.6 | 1 | tr | -- | 20 | 1 | ||
| 12N03602 | 13-29 | E | S | vfsl | 6.5 | 24.1 | 69.4 | 6.5 | 17.6 | 43.8 | 21.7 | 1.2 | 1.2 | 1.5 | 2 | tr | -- | 27 | 2 | ||
| 12N03603 | 29-42 | Bt1 | S | cl | 28.8 | 31.0 | 40.2 | 12.4 | 18.6 | 31.0 | 7.8 | 0.4 | 0.5 | 0.5 | tr | -- | -- | 9 | tr | ||
| 12N03604 | 42-65 | Bt2 | S | c | 43.4 | 27.0 | 29.6 | 13.2 | 13.8 | 24.1 | 4.9 | 0.3 | 0.2 | 0.1 | 3 | -- | -- | 8 | 3 | ||
| 12N03605 | 65-87 | Btss1 | S | c | 53.0 | 25.3 | 21.7 | 15.1 | 10.2 | 17.7 | 3.7 | 0.1 | 0.2 | tr | -- | -- | -- | 4 | -- | ||
| 12N03606 | 87-117 | Btss2 | S | c | 41.8 | 34.3 | 23.9 | 19.0 | 15.3 | 19.2 | 4.4 | 0.2 | 0.1 | -- | -- | -- | -- | 5 | -- | ||
| 12N03607 | 117-133 | BCt | S | cl | 34.1 | 40.7 | 25.2 | 21.6 | 19.1 | 22.2 | 2.8 | 0.1 | 0.1 | -- | -- | -- | -- | 3 | -- | ||
| 12N03608 | 133-149 | BC | S | cl | 30.0 | 38.7 | 31.3 | 21.1 | 17.6 | 25.6 | 5.1 | 0.5 | 0.1 | -- | -- | -- | -- | 6 | -- | ||
| 12N03609 | 149-200 | C | S | cl | 32.8 | 42.8 | 24.4 | 25.1 | 17.7 | 20.9 | 3.3 | 0.2 | tr | -- | -- | -- | -- | 4 | -- | ||
| 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 | % | ||||||||||
| DbWR1 | DbWR1 | DbWR1 | 3C2a1a | 3D1 | |||||||||||||
| 12N03601 | 0-13 | Ap | S | 6.2 | 1.008 | 0.70 | 0.69 | ||||||||||
| 12N03602 | 13-29 | E | S | 3.3 | 1.004 | 0.49 | 0.51 | ||||||||||
| 12N03603 | 29-42 | Bt1 | S | 1.56 | 1.67 | 0.023 | 17.5 | 12.7 | 1.017 | 0.07 | 0.36 | 0.44 | |||||
| 12N03604 | 42-65 | Bt2 | S | 1.32 | 1.67 | 0.080 | 33.9 | 18.9 | 1.030 | 0.19 | 0.41 | 0.44 | |||||
| 12N03605 | 65-87 | Btss1 | S | 1.39 | 1.75 | 0.080 | 31.9 | 22.6 | 1.039 | 0.13 | 0.49 | 0.43 | |||||
| 12N03606 | 87-117 | Btss2 | S | 1.50 | 1.84 | 0.070 | 26.6 | 20.4 | 1.035 | 0.09 | 0.63 | 0.49 | |||||
| 12N03607 | 117-133 | BCt | S | 1.50 | 1.73 | 0.049 | 25.0 | 23.3 | 1.031 | 0.03 | 0.68 | 0.68 | |||||
| 12N03608 | 133-149 | BC | S | 1.45 | 1.69 | 0.052 | 26.5 | 18.3 | 1.030 | 0.12 | 0.71 | 0.61 | |||||
| 12N03609 | 149-200 | C | S | 1.41 | 1.65 | 0.054 | 28.3 | 21.4 | 1.033 | 0.10 | 0.66 | 0.65 | |||||
| *** Primary Characterization Data *** |
| Pedon ID: S2012TX365003 | ( Panola, Texas ) | Print Date: Apr 25 2024 9:07AM |
| Sampled As | : | Eastwood | Fine, smectitic, thermic Chromic Vertic Hapludalf | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 12N8138 | |||
| Water Content | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | |||||||
| (- - Atterberg - -) | (- - - - - Bulk Density - - - - -) | (- - - - - - - - - - - - - - - - - - - - - - - Water Content - - - - - - - - - - - - - - - - - - - - -) | ||||||||||||||||||
| (- - - Limits - - -) | Field | Recon | Recon | Field | Recon | (- - - - - - - - - - - - - - Sieved Samples - - - - - - - - - - - - -) | ||||||||||||||
| LL | PI | 33 | Oven | 33 | 6 | 10 | 33 | 100 | 200 | 500 | ||||||||||
| Depth | kPa | Dry | kPa | kPa | kPa | kPa | kPa | kPa | kPa | |||||||||||
| Layer | (cm) | Horz | Prep | pct <0.4mm | (- - - - - - - - g cm-3 - - - - - - -) | (- - - - - - - - - - - - - - - - - - - - - - - % of < 2mm - - - - - - - - - - - - - - - - - - - - - -) | ||||||||||||||
| 3C1e1a | ||||||||||||||||||||
| 12N03601 | 0-13 | Ap | S | 7.3 | ||||||||||||||||
| 12N03602 | 13-29 | E | S | 4.3 | ||||||||||||||||
| 12N03603 | 29-42 | Bt1 | S | 14.8 | ||||||||||||||||
| 12N03604 | 42-65 | Bt2 | S | 21.8 | ||||||||||||||||
| 12N03605 | 65-87 | Btss1 | S | 25.5 | ||||||||||||||||
| 12N03606 | 87-117 | Btss2 | S | 26.5 | ||||||||||||||||
| 12N03607 | 117-133 | BCt | S | 26.1 | ||||||||||||||||
| 12N03608 | 133-149 | BC | S | 22.5 | ||||||||||||||||
| 12N03609 | 149-200 | C | S | 27.7 | ||||||||||||||||
| 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 - - - - -) | |||||||||||||||
| 4H2a | 4H2a | 4H2a | 4G1 | 4G1 | 4G1 | |||||||||||||||||
| 12N03601 | 0-13 | Ap | S | 1.58 | 0.14 | tr | 1.6 | 11 | 2.6 | 0.2 | 0.1 | |||||||||||
| 12N03602 | 13-29 | E | S | 0.44 | -- | -- | 0.4 | 1.6 | 0.1 | 0.1 | ||||||||||||
| 12N03603 | 29-42 | Bt1 | S | 0.36 | 0.07 | tr | 0.4 | 5 | 2.3 | 0.2 | -- | |||||||||||
| 12N03604 | 42-65 | Bt2 | S | 0.32 | 0.04 | tr | 0.3 | 8 | 3.2 | 0.4 | -- | |||||||||||
| 12N03605 | 65-87 | Btss1 | S | 0.21 | -- | -- | 0.2 | 2.8 | 0.4 | -- | ||||||||||||
| 12N03606 | 87-117 | Btss2 | S | 0.12 | -- | tr | 0.1 | 1.7 | 0.2 | -- | ||||||||||||
| 12N03607 | 117-133 | BCt | S | 0.14 | -- | 0.09 | 0.1 | 1.5 | 0.1 | tr | ||||||||||||
| 12N03608 | 133-149 | BC | S | 0.11 | -- | 0.02 | 0.1 | 1.5 | 0.1 | tr | ||||||||||||
| 12N03609 | 149-200 | C | S | 0.11 | 0.07 | 0.05 | 0.1 | 2 | 1.9 | 0.1 | 0.1 | |||||||||||
| *** Primary Characterization Data *** |
| Pedon ID: S2012TX365003 | ( Panola, Texas ) | Print Date: Apr 25 2024 9:07AM |
| Sampled As | : | Eastwood | Fine, smectitic, thermic Chromic Vertic Hapludalf | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 12N8138 | |||
| 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 - - -) | (- - - - - - - - % - - - - - - - -) | ||||||||||
| 4B1a1a | 4B1a1a | 4B1a1a | 4B1a1a | 4B2b1a1 | 4B3a1a | 4B3a1a | 4B1a1a | ||||||||||
| 12N03601 | 0-13 | Ap | S | 4.3 | 0.8 | -- | 0.3 | 5.4 | 6.4 | tr | 1.9 | 11.8 | 6.3 | 46 | 86 | ||
| 12N03602 | 13-29 | E | S | 1.6 | 0.4 | -- | 0.1 | 2.1 | 3.7 | 0.1 | 1.5 | 5.8 | 3.2 | 2.2 | 5 | 36 | 66 |
| 12N03603 | 29-42 | Bt1 | S | 3.1 | 4.3 | -- | 0.2 | 7.6 | 8.1 | 1.0 | 0.4 | 15.7 | 10.5 | 8.6 | 12 | 48 | 72 |
| 12N03604 | 42-65 | Bt2 | S | 3.7 | 7.3 | -- | 0.3 | 11.3 | 12.8 | 3.1 | 0.3 | 24.1 | 18.0 | 14.4 | 22 | 47 | 63 |
| 12N03605 | 65-87 | Btss1 | S | 3.5 | 10.7 | 0.2 | 0.3 | 14.7 | 19.1 | 6.2 | 0.1 | 33.8 | 26.1 | 20.9 | 30 | 43 | 56 |
| 12N03606 | 87-117 | Btss2 | S | 4.6 | 13.3 | 0.5 | 0.4 | 18.8 | 14.4 | 4.3 | 0.6 | 33.2 | 26.2 | 23.1 | 19 | 57 | 72 |
| 12N03607 | 117-133 | BCt | S | 14.8* | 13.6 | 0.8 | 0.4 | 29.6 | 10.4 | 1.1 | 1.1 | 40.0 | 23.1 | 30.7 | 4 | 74 | 100 |
| 12N03608 | 133-149 | BC | S | 8.4* | 13.7 | 0.9 | 0.4 | 23.4 | 8.0 | 0.8 | 0.6 | 31.4 | 21.3 | 24.2 | 3 | 75 | 100 |
| 12N03609 | 149-200 | C | S | 16.5* | 15.4 | 1.7 | 0.5 | 34.1 | 7.6 | tr | 0.7 | 41.7 | 21.7 | 82 | 100 | ||
| 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 - -) | % | |||||||||||||||
| 12N03601 | 0-13 | Ap | S | -- | |||||||||||||||||||
| 12N03602 | 13-29 | E | S | -- | |||||||||||||||||||
| 12N03603 | 29-42 | Bt1 | S | -- | |||||||||||||||||||
| 12N03604 | 42-65 | Bt2 | S | -- | |||||||||||||||||||
| 12N03605 | 65-87 | Btss1 | S | 1 | |||||||||||||||||||
| 12N03606 | 87-117 | Btss2 | S | 2 | |||||||||||||||||||
| 12N03607 | 117-133 | BCt | S | 3 | |||||||||||||||||||
| 12N03608 | 133-149 | BC | S | 4 | |||||||||||||||||||
| 12N03609 | 149-200 | C | S | 8 | |||||||||||||||||||
| *** Primary Characterization Data *** |
| Pedon ID: S2012TX365003 | ( Panola, Texas ) | Print Date: Apr 25 2024 9:07AM |
| Sampled As | : | Eastwood | Fine, smectitic, thermic Chromic Vertic Hapludalf | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 12N8138 | |||
| 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 | |||
| 4C1a2a | 4C1a2a | |||||||||||||
| 12N03601 | 0-13 | Ap | S | 5.0 | 5.6 | |||||||||
| 12N03602 | 13-29 | E | S | 4.8 | 5.6 | |||||||||
| 12N03603 | 29-42 | Bt1 | S | 4.5 | 5.3 | |||||||||
| 12N03604 | 42-65 | Bt2 | S | 4.3 | 5.2 | |||||||||
| 12N03605 | 65-87 | Btss1 | S | 4.2 | 5.0 | |||||||||
| 12N03606 | 87-117 | Btss2 | S | 4.3 | 4.7 | |||||||||
| 12N03607 | 117-133 | BCt | S | 4.9 | 4.9 | |||||||||
| 12N03608 | 133-149 | BC | S | 4.9 | 5.0 | |||||||||
| 12N03609 | 149-200 | C | S | 5.9 | 5.9 | |||||||||
| Phosphorus | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | |||
| (- - - - - - - - - - - - - - - - - - - - - - - Phosphorus - - - - - - - - - - - - - - - - - - - - -) | KCl | ||||||||||||||
| Melanic | NZ | Acid | Anion Exch Resin | Bray | Bray | Olsen | H2O | Citric | Mehlich | Extr | |||||
| Depth | Index | Oxal | Available | Capacity | 1 | 2 | Acid | III | NO3 | ||||||
| Layer | (cm) | Horz | Prep | % | (- - - - - - - - - - - - - - - - - - - - - - - - - - - mg kg-1 - - - - - - - - - - - - - - - - - - - -) | ||||||||||
| 4D6a1 | |||||||||||||||
| 12N03601 | 0-13 | Ap | S | 25.8 | |||||||||||
| 12N03602 | 13-29 | E | S | 3.5 | |||||||||||
| 12N03603 | 29-42 | Bt1 | S | 0.5 | |||||||||||
| 12N03604 | 42-65 | Bt2 | S | 0.3 | |||||||||||
| *** Primary Characterization Data *** |
| Pedon ID: S2012TX365003 | ( Panola, Texas ) | Print Date: Apr 25 2024 9:07AM |
| Sampled As | : | Eastwood | Fine, smectitic, thermic Chromic Vertic Hapludalf | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 12N8138 | |||
| 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 | 7A1b1 | | 7A2a | | | tion | ||||||||||||||
| Layer | (cm) | Horz | ion | ( - - - - - - - - - peak size - - - - - - - - - - ) | (- - - - - - - - - % - - - - - - - - - -) | (- - - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - - - - -) | mg g-1 | ||||||||||||||
| 12N03603 | 29.0-42.0 | Bt1 | tcly | KK 3 | MT 2 | VR 2 | MI 2 | | | | KK 42 | | | | | | | | | | CMIX |
| 12N03604 | 42.0-65.0 | Bt2 | tcly | KK 3 | MT 2 | MI 2 | GE 1 | | | | KK 42 | | | | | | | | | | CMIX |
| 12N03605 | 65.0-87.0 | Btss1 | tcly | MT 3 | KK 3 | MI 2 | GE 1 | | | | | | | | | | | | | | SMEC |
| FRACTION INTERPRETATION: | ||||
| tcly - Total Clay <0.002 mm | | | | |
| MINERAL INTERPRETATION: | ||||
| GE Goethite | KK Kaolinite | MI Mica | MT Montmorillonite | VR Vermiculite |
| RELATIVE PEAK SIZE: | 5 Very Large | 4 Large | 3 Medium | 2 Small | 1 Very Small | 6 No Peaks |
| INTERPRETATION (BY HORIZON): | ||||
| CMIX - Mixed Clay | SMEC - Smectitic | | | |