| *** Taxonomy Characterization Data *** |
| Pedon ID: 789181 | ( Shasta, California ) | Print Date: Dec 6 2025 1:28AM |
| Sampled as : | ; Coarse-loamy, mixed, superactive, nonacid, frigid Aquic Xerofluvent |
| Revised to correlated: | Vitrandic Cryofluvents ; Loamy over ashy or ashy-pumiceous, aniso, mixed over glassy, nonacid Vitrandic Cryofluvents |
| United States Department of Agriculture | ||||
| SSL | - | Project | C2007USCA026 Lassen Volcanic National Park | Natural Resources Conservation Service |
| - | Site ID | R06CA089004 Lat: 40° 29' 55.60" north Long: 121° 25' 38.10" west MLRA: 22B | National Soil Survey Center | |
| - | Pedon No. | 07N0142 | Kellogg 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 | |||||||||||||
| 07N00938 | 0-7 | Oi | S | -- | -- | ||||||||
| 07N00939 | 7-21 | A | S | 12.2 | 1.27 | 26.4 | 56 | 3 | |||||
| 07N00940 | 21-28 | C | S | 2.0 | 3.05 | 13.6 | 88 | 13 | 3 | ||||
| 07N00941 | 28-33 | Ab | S | 29.4 | 1.61 | 73.9 | 14 | 1 | |||||
| 07N00942 | 33-41 | A' | S | 44.8 | 0.74 | 67.8 | 2 | -- | |||||
| 07N00943 | 41-58 | Cg1 | S | 31.8 | 0.93 | 62.1 | 6 | tr | |||||
| 07N00944 | 58-72 | Cg2 | S | 10.2 | 1.13 | 24.2 | 70 | 8 | |||||
| 07N00945 | 72-92 | Cg3 | S | 19.6 | 0.95 | 39.1 | 18 | 1 | |||||
| 07N00946 | 92-140 | A'b | S | 22.1 | 1.22 | 35.1 | 18 | 1 | |||||
| 07N00947 | 140-155 | C' | S | 1.1 | 3.55 | 9.3 | 98 | 45 | |||||
| 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 | 4C1a1a1 | 4H2a | 4G2 | 4D8a1 | |||||||||||||||
| 07N00938 | 0-7 | Oi | S | 39.10 | |||||||||||||||
| 07N00939 | 7-21 | A | S | 5.2 | 8.0 | 4.94 | 0.20 | 0.06 | 99 | 42 | 17 | 15.2 | 1.18 | 1.25 | 6 | 1 | |||
| 07N00940 | 21-28 | C | S | 5.7 | 8.5 | 0.68 | 0.18 | 0.05 | 39 | 25 | 11 | 1.6 | 1.65 | 0.80 | 19 | 10 | |||
| 07N00941 | 28-33 | Ab | S | 5.6 | 8.0 | 17.63 | 0.54 | 0.22 | 33 | 23 | 51 | 15.7 | 1.55 | 0.53 | 3 | 1 | |||
| 07N00942 | 33-41 | A' | S | 6.0 | 7.9 | 5.88 | 0.30 | 0.11 | 28 | 21 | 26 | 8.7 | 0.65 | 0.19 | 7 | 2 | |||
| 07N00943 | 41-58 | Cg1 | S | 5.9 | 8.6 | 4.85 | 0.49 | 0.17 | 35 | 26 | 37 | 9.0 | 0.79 | 0.28 | 3 | 2 | |||
| 07N00944 | 58-72 | Cg2 | S | 6.2 | 9.4 | 1.81 | 0.52 | 0.16 | 41 | 24 | 35 | 1.13 | 3 | ||||||
| 07N00945 | 72-92 | Cg3 | S | 6.3 | 8.3 | 2.97 | 0.37 | 0.10 | 37 | 28 | 17 | 0.88 | 2 | ||||||
| 07N00946 | 92-140 | A'b | S | 6.5 | 8.1 | 12.96 | 0.40 | 0.10 | 46 | 31 | 37 | 14.9 | 1.45 | 0.67 | 1 | 1 | |||
| 07N00947 | 140-155 | C' | S | 6.5 | 8.5 | 0.20 | 0.09 | 0.02 | 65 | 55 | 3 | 3.09 | -- | ||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 23 | % wt | |
| Volume, >2mm, Weighted Average | 2 | % vol | |
| Clay, total, Weighted Average | 24 | % wt | |
| Clay, carbonate free, Weighted Average | 24 | % wt | |
| CEC Activity, CEC7/Clay, Weighted Average, CECd, Set 1 | 1 | (NA) | |
| Weighted averages based on control section: 32-107 cm | |||