| *** Primary Characterization Data *** |
| Pedon ID: 81CA037002 | ( Los Angeles, California ) | Print Date: Nov 24 2024 12:00PM |
| Sampled as on Aug 1, 1981: | Altamont ; Fine, montmorillonitic Typic Chromoxerert |
| Revised to correlated: | Lostpoint ; Fine, smectitic, thermic Halic Haploxererts |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP82CA039 SAN CLEMENTE ISLAND | Natural Resources Conservation Service |
| - | Site ID | S1981CA037002 | National Soil Survey Center | |
| - | Pedon No. | 82P0128 | 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 |
| 82P00644 | A1 | A11 | 0-5 | CL | L | |||
| 82P00645 | A2 | A12 | 5-15 | SIC | C | |||
| 82P00646 | A3 | A13 | 15-56 | SIC | C | |||
| 82P00647 | A4 | A14 | 56-91 | C | C | |||
| 82P00648 | AC | AC | 91-102 | SIC | C | |||
| 82P00649 | 2C | 2C | 102-112 | CL | CL | |||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.68 | (NA) | |
| Clay, carbonate free, Weighted Average | 52 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 17 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 52 | % wt | |
| Weighted averages based on control section: 25-100 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 | 3A1a1a | 3B1 | 3B1 | 3B1 | |||||||
| 82P00644 | 0-5 | A1 | S | l | 25.7 | 41.6 | 32.7 | 11.6 | 26.5 | 15.1 | 4.2 | 13.9 | 12.4 | 2.2 | -- | tr | -- | -- | 29 | -- | |
| 82P00645 | 5-15 | A2 | S | c | 41.8 | 34.0 | 24.2 | 26.9 | 22.2 | 11.8 | 3.1 | 10.0 | 9.2 | 1.8 | 0.1 | -- | -- | -- | 21 | -- | |
| 82P00646 | 15-56 | A3 | S | c | 44.6 | 32.3 | 23.1 | 31.9 | 21.2 | 11.1 | 2.8 | 8.9 | 9.3 | 1.9 | 0.2 | -- | -- | -- | 20 | -- | |
| 82P00647 | 56-91 | A4 | S | c | 57.1 | 27.6 | 15.3 | 40.4 | 19.7 | 7.9 | 1.7 | 6.2 | 6.5 | 0.9 | tr | -- | -- | -- | 14 | -- | |
| 82P00648 | 91-102 | AC | S | c | 58.2 | 25.6 | 16.2 | 18.6 | 7.0 | 1.7 | 6.8 | 6.8 | 0.9 | tr | -- | -- | -- | 15 | -- | ||
| 82P00649 | 102-112 | 2C | S | cl | 38.0 | 22.3 | 39.7 | 15.4 | 6.9 | 4.7 | 15.5 | 16.4 | 2.9 | 0.2 | tr | -- | -- | 35 | -- | ||
| *** Primary Characterization Data *** |
| Pedon ID: 81CA037002 | ( Los Angeles, California ) | Print Date: Nov 24 2024 12:00PM |
| Sampled As | : | Altamont | Fine, montmorillonitic Typic Chromoxerert | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 82P0128 | |||
| 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 | ||||||||||
| 82P00644 | 0-5 | A1 | S | 1.49 | 1.64 | 0.032 | 21.3 | 11.6 | 1.025 | 0.14 | 0.80 | 0.45 | |||||
| 82P00645 | 5-15 | A2 | S | 21.2 | 1.041 | 0.70 | 0.51 | ||||||||||
| 82P00646 | 15-56 | A3 | S | 1.25 | 2.19 | 0.206 | 43.0 | 27.0 | 1.044 | 0.20 | 0.68 | 0.61 | |||||
| 82P00647 | 56-91 | A4 | S | 30.5 | 1.059 | 0.67 | 0.53 | ||||||||||
| 82P00648 | 91-102 | AC | S | 1.18 | 1.92 | 0.176 | 41.2 | 31.5 | 1.063 | 0.11 | 0.69 | 0.54 | |||||
| 82P00649 | 102-112 | 2C | S | 1.21 | 1.69 | 0.118 | 37.9 | 20.9 | 1.052 | 0.21 | 0.92 | 0.55 | |||||
| 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 | |||||||||||||||||||
| 82P00644 | 0-5 | A1 | S | 0.218 | 2.56 | 12 | 0.4 | 0.1 | ||||||||||||||
| 82P00645 | 5-15 | A2 | S | 0.136 | 1.41 | 10 | 0.6 | 0.2 | ||||||||||||||
| 82P00646 | 15-56 | A3 | S | 0.103 | 1.05 | 10 | 0.7 | 0.2 | ||||||||||||||
| 82P00647 | 56-91 | A4 | S | 0.75 | 0.8 | 0.2 | ||||||||||||||||
| 82P00648 | 91-102 | AC | S | 0.61 | 0.9 | 0.2 | ||||||||||||||||
| 82P00649 | 102-112 | 2C | S | 0.52 | 1.2 | 0.2 | ||||||||||||||||
| 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 | ||||||
| 82P00644 | 0-5 | A1 | S | 8.6* | 7.8 | 2.6 | 3.3 | 4.1 | 20.5 | 84 | 100 | ||||||
| 82P00645 | 5-15 | A2 | S | 10.8* | 12.6 | 5.2 | 2.8 | 4.9 | 29.1 | 87 | 100 | ||||||
| 82P00646 | 15-56 | A3 | S | 8.2* | 11.1 | 12.8 | 1.2 | 33.3 | 7.4 | 40.7 | 30.4 | 82 | 100 | ||||
| 82P00647 | 56-91 | A4 | S | 8.0* | 11.9 | 25.8 | 1.0 | 46.7 | 11.2 | tr | 57.9 | 38.1 | 81 | 100 | |||
| 82P00648 | 91-102 | AC | S | 8.0* | 12.3 | 28.9 | 1.0 | 50.2 | 12.2 | 0.1 | 62.4 | 39.9 | 50.3 | tr | 80 | 100 | |
| 82P00649 | 102-112 | 2C | S | 6.8* | 10.2 | 24.4 | 0.7 | 42.1 | 12.5 | 0.1 | 54.6 | 35.0 | 42.2 | tr | 77 | 100 | |
| *** Primary Characterization Data *** |
| Pedon ID: 81CA037002 | ( Los Angeles, California ) | Print Date: Nov 24 2024 12:00PM |
| Sampled As | : | Altamont | Fine, montmorillonitic Typic Chromoxerert | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 82P0128 | |||
| 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 - -) | % | |||||||||||||||
| 82P00644 | 0-5 | A1 | S | 13 | |||||||||||||||||||
| 82P00645 | 5-15 | A2 | S | 18 | |||||||||||||||||||
| 82P00646 | 15-56 | A3 | S | 42 | |||||||||||||||||||
| 82P00647 | 56-91 | A4 | S | 68 | |||||||||||||||||||
| 82P00648 | 91-102 | AC | S | 72 | |||||||||||||||||||
| 82P00649 | 102-112 | 2C | S | 70 | |||||||||||||||||||
| 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 | ||||||||||||
| 82P00644 | 0-5 | A1 | S | 6.9 | 7.1 | -- | ||||||||
| 82P00645 | 5-15 | A2 | S | 7.1 | 7.4 | -- | ||||||||
| 82P00646 | 15-56 | A3 | S | 6.2 | 6.3 | |||||||||
| 82P00647 | 56-91 | A4 | S | 5.3 | 5.3 | |||||||||
| 82P00648 | 91-102 | AC | S | 5.1 | 5.0 | |||||||||
| 82P00649 | 102-112 | 2C | S | 5.1 | 5.1 | |||||||||
| *** Primary Characterization Data *** |
| Pedon ID: 81CA037002 | ( Los Angeles, California ) | Print Date: Nov 24 2024 12:00PM |
| Sampled As | : | Altamont | Fine, montmorillonitic Typic Chromoxerert | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 82P0128 | |||
| 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 | ||||||||||||||
| 82P00644 | 0.0-5.0 | A1 | tcly | MI 3 | MT 2 | KK 1 | KK 7 | 8.6 | 2.7 | ||||||||||||
| 82P00646 | 15.0-56.0 | A3 | tcly | MT 4 | MI 3 | KK 2 | KK 11 | 10.6 | 2.0 | ||||||||||||
| FRACTION INTERPRETATION: | ||||
| tcly - Total Clay <0.002 mm | ||||
| MINERAL INTERPRETATION: | ||||
| KK Kaolinite | MI Mica | MT Montmorillonite | ||
| RELATIVE PEAK SIZE: | 5 Very Large | 4 Large | 3 Medium | 2 Small | 1 Very Small | 6 No Peaks |