| *** Primary Characterization Data *** |
| Pedon ID: 84NC063014 | ( Durham, North Carolina ) | Print Date: Nov 13 2025 2:01PM |
| Sampled as on Jun 1, 1984: | Iredell ; Fine, montmorillonitic, thermic Typic Hapludalf |
| Revised to correlated on Aug 1, 1996: | Iredell ; Very-fine, mixed, active, thermic Typic Hapludalf |
| United States Department of Agriculture | ||||
| SSL | - | Project | RP84NC199 TRIASSIC BASIN | Natural Resources Conservation Service |
| - | Site ID | S1984NC063014 MLRA: 136 | National Soil Survey Center | |
| - | Pedon No. | 84P0706 | 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 |
| 84P03898 | A | A | 0-33 | L | L | |||
| 84P03899 | Bt1 | Bt1 | 33-71 | C | C | |||
| 84P03900 | Bt2 | Bt2 | 71-91 | CL | COSL | |||
| 84P03901 | C1 | C1 | 91-130 | COSL | LCOS | |||
| 84P03902 | C2 | C2 | 130-140 | L | COSL | |||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.68 | (NA) | |
| Clay, carbonate free, Weighted Average | 55 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 18 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 55 | % wt | |
| Weighted averages based on control section: 33-83 cm | |||
| 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 | ||||||||
| 84P03898 | 0-33 | A | S | l | 11.5 | 38.7 | 49.8 | 30.2 | 8.5 | 5.2 | 6.4 | 9.4 | 11.9 | 16.9 | 1 | -- | -- | 45 | 1 | ||
| 84P03899 | 33-71 | Bt1 | S | c | 66.3 | 20.4 | 13.3 | 15.1 | 5.3 | 4.0 | 3.1 | 2.2 | 2.5 | 1.5 | -- | -- | -- | 9 | -- | ||
| 84P03900 | 71-91 | Bt2 | S | cosl | 19.5 | 25.3 | 55.2 | 16.9 | 8.4 | 8.2 | 6.6 | 4.3 | 14.9 | 21.2 | -- | -- | -- | 47 | -- | ||
| 84P03901 | 91-130 | C1 | S | lcos | 5.2 | 15.0 | 79.8 | 7.7 | 7.3 | 8.2 | 11.1 | 11.1 | 23.3 | 26.1 | 1 | -- | -- | 72 | 1 | ||
| 84P03902 | 130-140 | C2 | S | cosl | 11.5 | 23.0 | 65.5 | 14.9 | 8.1 | 11.8 | 13.7 | 9.0 | 18.3 | 12.7 | -- | -- | -- | 54 | -- | ||
| *** Primary Characterization Data *** |
| Pedon ID: 84NC063014 | ( Durham, North Carolina ) | Print Date: Nov 13 2025 2:01PM |
| Sampled As | : | Iredell | Fine, montmorillonitic, thermic Typic Hapludalf | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 84P0706 | |||
| 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 | % | ||||||||||
| 3C2a1a | 3D1 | 8D1 | 8D1 | ||||||||||||||
| 84P03898 | 0-33 | A | S | 9.6 | 1.013 | 1.01 | 0.83 | ||||||||||
| 84P03899 | 33-71 | Bt1 | S | 31.7 | 1.038 | 0.48 | 0.48 | ||||||||||
| 84P03900 | 71-91 | Bt2 | S | 17.3 | 1.029 | 1.33 | 0.89 | ||||||||||
| 84P03901 | 91-130 | C1 | S | 6.0 | 1.012 | 2.27 | 1.15 | ||||||||||
| 84P03902 | 130-140 | C2 | S | 13.8 | 1.020 | 1.69 | 1.20 | ||||||||||
| 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 - - - - -) | |||||||||||||||
| 6A1c | 6C2b | 6G7a | 6D2a | |||||||||||||||||||
| 84P03898 | 0-33 | A | S | 1.19 | 5.6 | 0.5 | 0.3 | |||||||||||||||
| 84P03899 | 33-71 | Bt1 | S | 0.50 | 4.0 | 0.4 | 0.1 | |||||||||||||||
| 84P03900 | 71-91 | Bt2 | S | 0.17 | 1.7 | 0.2 | 0.1 | |||||||||||||||
| 84P03901 | 91-130 | C1 | S | 0.08 | 0.8 | 0.1 | tr | |||||||||||||||
| 84P03902 | 130-140 | C2 | S | 0.10 | 1.2 | 0.1 | tr | |||||||||||||||
| 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 | 5A3a | 5A8b | 5C3 | 5C1 | |||||||||
| 84P03898 | 0-33 | A | S | 3.3 | 2.9 | 0.1 | tr | 6.3 | 6.5 | 12.8 | 11.6 | 49 | 54 | ||||
| 84P03899 | 33-71 | Bt1 | S | 11.3 | 18.7 | 0.5 | 0.1 | 30.6 | 7.4 | 38.0 | 31.9 | 81 | 96 | ||||
| 84P03900 | 71-91 | Bt2 | S | 10.5* | 16.7 | 0.8 | tr | 2.2 | 25.9 | 93 | 100 | ||||||
| 84P03901 | 91-130 | C1 | S | 5.3* | 6.7 | 0.4 | -- | 12.4 | 1.2 | 13.6 | 11.8 | 91 | 100 | ||||
| 84P03902 | 130-140 | C2 | S | 8.1* | 12.2 | 0.5 | -- | 20.8 | 1.7 | 22.5 | 19.4 | 92 | 100 | ||||
| *** Primary Characterization Data *** |
| Pedon ID: 84NC063014 | ( Durham, North Carolina ) | Print Date: Nov 13 2025 2:01PM |
| Sampled As | : | Iredell | Fine, montmorillonitic, thermic Typic Hapludalf | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 84P0706 | |||
| 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 - -) | % | |||||||||||||||
| 4F1a1a1 | |||||||||||||||||||||||
| 84P03898 | 0-33 | A | S | 0.11 | 1 | ||||||||||||||||||
| 84P03899 | 33-71 | Bt1 | S | 0.13 | 2 | ||||||||||||||||||
| 84P03900 | 71-91 | Bt2 | S | 0.21 | 3 | ||||||||||||||||||
| 84P03901 | 91-130 | C1 | S | 0.14 | 3 | ||||||||||||||||||
| 84P03902 | 130-140 | C2 | S | 0.16 | 3 | ||||||||||||||||||
| 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 | 6E1g | ||||||||||||
| 84P03898 | 0-33 | A | S | 4.9 | 5.6 | |||||||||
| 84P03899 | 33-71 | Bt1 | S | 5.9 | 6.3 | |||||||||
| 84P03900 | 71-91 | Bt2 | S | 7.1 | 7.6 | 1 | ||||||||
| 84P03901 | 91-130 | C1 | S | 6.8 | 7.5 | |||||||||
| 84P03902 | 130-140 | C2 | S | 6.9 | 7.6 | |||||||||
| *** Primary Characterization Data *** |
| Pedon ID: 84NC063014 | ( Durham, North Carolina ) | Print Date: Nov 13 2025 2:01PM |
| Sampled As | : | Iredell | Fine, montmorillonitic, thermic Typic Hapludalf | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 84P0706 | |||
| 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 | ||||||||||||||
| 84P03898 | 0.0-33.0 | A | tcly | KK 3 | VR 2 | TA 2 | GE 1 | QZ 1 | 10.3 | 0.3 | |||||||||||
| 84P03899 | 33.0-71.0 | Bt1 | tcly | KK 4 | VR 2 | TA 2 | GE 2 | KK 42 | 12.3 | 0.1 | |||||||||||
| 84P03902 | 130.0-140.0 | C2 | tcly | KK 3 | VR 1 | MT 1 | KK 6 | 7.4 | |||||||||||||
| FRACTION INTERPRETATION: | ||||
| tcly - Total Clay <0.002 mm | ||||
| MINERAL INTERPRETATION: | ||||
| GE Goethite | KK Kaolinite | MT Montmorillonite | QZ Quartz | TA Talc |
| VR Vermiculite | ||||
| RELATIVE PEAK SIZE: | 5 Very Large | 4 Large | 3 Medium | 2 Small | 1 Very Small | 6 No Peaks |