| *** Taxonomy Characterization Data *** |
| Pedon ID: 91VI020007 | ( St. John, Virgin Islands ) | Print Date: Apr 23 2025 8:10AM |
| Sampled as on Sep 9, 1991: | Descalabrado ; Clayey, mixed, isohyperthermic, shallow Typic Argiustoll |
| Revised to correlated: | Susannaberg ; Clayey, vermiculitic, isohyperthermic, shallow Typic Haplustolls |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP91VI269 ST JOHN, VIRGIN ISLANDS | Natural Resources Conservation Service |
| - | Site ID | S1991VI020007 Lat: 18° 21' 10.00" north Long: 64° 45' 29.99" west MLRA: 27 | National Soil Survey Center | |
| - | Pedon No. | 91P1195 | 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 | 3A1a1a | 8D1 | 4A1d | 7B1a2 | |||||||||
| 91P07965 | 0-9 | A | S | 49.5 | 39.3 | 0.53 | 37 | 15 | |||||
| 91P07966 | 9-27 | Bt1 | S | 54.3 | 44.0 | 0.49 | 25 | 8 | |||||
| 91P07967 | 27-45 | Bt2 | S | 57.2 | 45.8 | 0.45 | 25 | 1.18 | 0.105 | 20 | 10 | ||
| 91P07968 | 45-60 | Crt | S | 59.6 | 48.3 | 0.44 | 30 | 86 | |||||
| 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 | 8J | 5C1 | 5C3 | 8D1 | 5D2 | |||||||||||||
| 91P07965 | 0-9 | A | S | 6.6 | 4.91 | 0.65 | 0.09 | 98 | 88 | 1.11 | 1 | ||||||||
| 91P07966 | 9-27 | Bt1 | S | 6.4 | 2.69 | 0.74 | 0.09 | 91 | 84 | 0.92 | 1 | ||||||||
| 91P07967 | 27-45 | Bt2 | S | 6.5 | 1.41 | 0.56 | 0.08 | 92 | 86 | 0.84 | 2 | ||||||||
| 91P07968 | 45-60 | Crt | S | 6.4 | 0.88 | 0.69 | 0.09 | 88 | 84 | 0.79 | 2 | ||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.88 | (NA) | |
| Clay, carbonate free, Weighted Average | 56 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 25 | % wt | |
| Volume, >2mm, Weighted Average | 14 | % vol | |
| Clay, total, Weighted Average | 56 | % wt | |
| Weighted averages based on control section: 9-45 cm | |||