*** Primary Characterization Data *** |
Pedon ID: 90MT015791 | ( Chouteau, Montana ) | Print Date: Oct 31 2024 6:38PM |
Sampled as on Sep 29, 1990: | Waltham ; Fine, montmorillonitic Typic Natriboralfs |
Revised to correlated: | Waltham ; Fine, smectitic Typic Natriboralf |
United States Department of Agriculture | ||||
SSL | - | Project | RP91MT053 CHOUTEAU COUNTY | Natural Resources Conservation Service |
- | Site ID | S1990MT015791 Lat: 47° 38' 20.00" north Long: 110° 35' 37.99" west MLRA: 52 | National Soil Survey Center | |
- | Pedon No. | 91P0202 | 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 |
91P01249 | E | E | 0-5 | L | L | |||
91P01250 | Bt1 | Bt1 | 5-15 | C | C | |||
91P01251 | Bt2 | Bt2 | 15-28 | C | C | |||
91P01252 | Btk | Btk | 28-46 | CL | SIC | |||
91P01253 | Bky1 | BkY1 | 46-76 | CL | L | |||
91P01254 | Bky2 | BkY2 | 76-112 | CL | SIL | |||
91P01255 | Byz1 | BYZ1 | 112-152 | CL | L | |||
91P01256 | Byz2 | BYZ2 | 152-203 | CL | L |
Pedon Calculations | |||
Calculation Name | Result | Units of Measure | |
CEC Activity, CEC7/Clay, Weighted Average | 0.57 | (NA) | |
Clay, carbonate free, Weighted Average | 51 | % wt | |
Weighted Particles, 0.1-75mm, 75 mm Base | 3 | % wt | |
Volume, >2mm, Weighted Average | 0 | % vol | |
Clay, total, Weighted Average | 53 | % wt | |
Weighted averages based on control section: 5-46 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 | 3A1a1a | 3B1 | 3B1 | 3B1 | ||||||
91P01249 | 0-5 | E | S | l | 23.4 | 49.3 | 27.3 | 7.8 | 32.1 | 17.2 | 11.1 | 10.1 | 4.5 | 1.2 | 0.4 | 1 | 2 | -- | 19 | 3 | |
91P01250 | 5-15 | Bt1 | S | c | 63.4 | 30.1 | 6.5 | 42.6 | 19.7 | 10.4 | 1.8 | 2.9 | 1.3 | 0.3 | 0.2 | tr | tr | -- | 5 | ||
91P01251 | 15-28 | Bt2 | S | c | 61.5 | 32.5 | 6.0 | 41.9 | 23.2 | 9.3 | 2.4 | 1.9 | 1.1 | 0.4 | 0.2 | tr | tr | -- | 4 | ||
91P01252 | 28-46 | Btk | S | sic | 41.5 | 52.7 | 5.8 | 20.3 | 4.3 | 37.3 | 15.4 | 3.8 | 1.3 | 0.5 | 0.2 | tr | tr | -- | -- | 2 | |
91P01253 | 46-76 | Bky1 | S | l | 21.3 | 46.5 | 32.2 | 11.9 | -- | 21.2 | 25.3 | 16.9 | 11.4 | 2.9 | 0.7 | 0.3 | 2 | 1 | -- | 19 | 3 |
91P01254 | 76-112 | Bky2 | S | sil | 21.8 | 51.3 | 26.9 | 10.4 | 30.5 | 20.8 | 11.3 | 10.7 | 3.7 | 0.8 | 0.4 | tr | 1 | -- | 17 | 1 | |
91P01255 | 112-152 | Byz1 | S | l | 22.4 | 46.9 | 30.7 | 10.8 | 26.4 | 20.5 | 12.2 | 12.4 | 4.7 | 1.0 | 0.4 | 1 | 5 | -- | 23 | 6 | |
91P01256 | 152-203 | Byz2 | S | l | 22.6 | 43.0 | 34.4 | 10.4 | 26.6 | 16.4 | 12.4 | 13.9 | 5.4 | 1.6 | 1.1 | 2 | 3 | -- | 26 | 5 |
*** Primary Characterization Data *** |
Pedon ID: 90MT015791 | ( Chouteau, Montana ) | Print Date: Oct 31 2024 6:38PM |
Sampled As | : | Waltham | Fine, montmorillonitic Typic Natriboralfs | ||
USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 91P0202 |
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 | 3F1a1a | 8D1 | 8D1 | |||||||||||||
91P01249 | 0-5 | E | S | 7.7 | 1.011 | 35 | 0.50 | 0.33 | |||||||||
91P01250 | 5-15 | Bt1 | S | 23.1 | 1.037 | 0.55 | 0.36 | ||||||||||
91P01251 | 15-28 | Bt2 | S | 23.5 | 1.039 | 0.58 | 0.38 | ||||||||||
91P01252 | 28-46 | Btk | S | 15.4 | 1.023 | 0.51 | 0.37 | ||||||||||
91P01253 | 46-76 | Bky1 | S | 8.7 | 1.016 | 0.61 | 0.41 | ||||||||||
91P01254 | 76-112 | Bky2 | S | 8.8 | 1.016 | 0.63 | 0.40 | ||||||||||
91P01255 | 112-152 | Byz1 | S | 10.6 | 1.017 | 0.66 | 0.47 | ||||||||||
91P01256 | 152-203 | Byz2 | S | 10.3 | 1.017 | 0.63 | 0.46 |
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 | ||||||||||||||||||||||
91P01249 | 0-5 | E | S | 1.64 | ||||||||||||||||||
91P01250 | 5-15 | Bt1 | S | 1.28 | ||||||||||||||||||
91P01251 | 15-28 | Bt2 | S | 1.03 | ||||||||||||||||||
91P01252 | 28-46 | Btk | S | 0.91 | ||||||||||||||||||
91P01253 | 46-76 | Bky1 | S | 0.35 | ||||||||||||||||||
91P01254 | 76-112 | Bky2 | S | 0.36 | ||||||||||||||||||
91P01255 | 112-152 | Byz1 | S | 0.41 | ||||||||||||||||||
91P01256 | 152-203 | Byz2 | S | 0.23 |
*** Primary Characterization Data *** |
Pedon ID: 90MT015791 | ( Chouteau, Montana ) | Print Date: Oct 31 2024 6:38PM |
Sampled As | : | Waltham | Fine, montmorillonitic Typic Natriboralfs | ||
USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 91P0202 |
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 | 5A3a | 5A8b | 5C3 | 5C1 | ||||||||||
91P01249 | 0-5 | E | S | 8.2* | 3.7 | 0.4 | 0.6 | 12.9 | 12.9 | 11.8 | 100 | 100 | |||||
91P01250 | 5-15 | Bt1 | S | 15.6* | 16.0 | 2.1 | 1.6 | 35.3 | 35.3 | 35.0 | 100 | 100 | |||||
91P01251 | 15-28 | Bt2 | S | 15.0* | 17.9 | 2.9 | 1.2 | 37.0 | 37.0 | 35.8 | 100 | 100 | |||||
91P01252 | 28-46 | Btk | S | 48.6* | 13.5 | 2.7 | 0.5 | 21.1 | 100 | 100 | |||||||
91P01253 | 46-76 | Bky1 | S | 44.1* | 8.4 | 1.8 | 0.2 | 13.0 | 100 | 100 | |||||||
91P01254 | 76-112 | Bky2 | S | 49.0* | 7.7 | 2.0 | 0.2 | 13.8 | 100 | 100 | |||||||
91P01255 | 112-152 | Byz1 | S | 42.0* | 7.7 | 2.2 | 0.2 | 14.8 | 100 | 100 | |||||||
91P01256 | 152-203 | Byz2 | S | 46.3* | 6.0 | 1.8 | 0.2 | 14.2 | 100 | 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 - -) | % | |||||||||||||||
6N1b | 6O1b | 6P1b | 6Q1b | 6I1b | 6J1b | 6U1a | 6K1c | 6L1c | 6W1a | 6M1c | 8A | 8D5 | 8A3a | 4F1a1a1 | 5E | ||||||||
91P01249 | 0-5 | E | S | 3.2 | 4.3 | 4.9 | 0.4 | -- | 8.4 | 0.2 | 1.0 | 1.9 | -- | -- | 39.6 | tr | 1.19 | 0.34 | 2 | 3 | |||
91P01250 | 5-15 | Bt1 | S | 0.24 | 6 | ||||||||||||||||||
91P01251 | 15-28 | Bt2 | S | 1.0 | 1.4 | 5.9 | 0.1 | -- | 2.1 | 0.3 | 3.7 | 2.1 | -- | -- | 79.3 | tr | 0.86 | 0.43 | 7 | 5 | |||
91P01252 | 28-46 | Btk | S | 0.12 | 13 | ||||||||||||||||||
91P01253 | 46-76 | Bky1 | S | 26.9 | 20.5 | 20.2 | 0.4 | -- | 1.2 | 1.1 | 12.3 | 51.9 | -- | -- | 47.6 | 0.2 | 4.48 | 2.93 | 6 | 4 | |||
91P01254 | 76-112 | Bky2 | S | 25.7 | 15.0 | 21.5 | 0.3 | -- | 1.4 | 10.8 | 44.5 | 0.5 | 46.5 | 0.2 | 4.39 | 2.35 | 7 | 5 | |||||
91P01255 | 112-152 | Byz1 | S | 25.1 | 10.2 | 20.0 | 0.2 | -- | 1.4 | 3.9 | 45.8 | -- | 49.6 | 0.1 | 3.81 | 2.43 | 8 | 5 | |||||
91P01256 | 152-203 | Byz2 | S | 26.2 | 7.2 | 18.3 | 0.3 | -- | 1.4 | 2.0 | 44.2 | 1.3 | -- | 45.5 | 0.1 | 3.53 | 2.53 | 7 | 4 |
*** Primary Characterization Data *** |
Pedon ID: 90MT015791 | ( Chouteau, Montana ) | Print Date: Oct 31 2024 6:38PM |
Sampled As | : | Waltham | Fine, montmorillonitic Typic Natriboralfs | ||
USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 91P0202 |
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 | 8C1b | 6E1g | 4E2a1a1a1 | 8E1 | |||||||||
91P01249 | 0-5 | E | S | 6.5 | 7.0 | 7.0 | ||||||||
91P01250 | 5-15 | Bt1 | S | 6.4 | 7.1 | |||||||||
91P01251 | 15-28 | Bt2 | S | 6.9 | 7.6 | 7.4 | ||||||||
91P01252 | 28-46 | Btk | S | 7.7 | 8.4 | 16 | ||||||||
91P01253 | 46-76 | Bky1 | S | 7.7 | 7.8 | 7.7 | 10 | tr | ||||||
91P01254 | 76-112 | Bky2 | S | 7.6 | 7.7 | 7.7 | 10 | -- | 530 | |||||
91P01255 | 112-152 | Byz1 | S | 7.5 | 8.4 | 7.6 | 7 | tr | ||||||
91P01256 | 152-203 | Byz2 | S | 7.5 | 8.3 | 7.6 | 6 | tr |
*** Primary Characterization Data *** |
Pedon ID: 90MT015791 | ( Chouteau, Montana ) | Print Date: Oct 31 2024 6:38PM |
Sampled As | : | Waltham | Fine, montmorillonitic Typic Natriboralfs | ||
USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 91P0202 |
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 | 7C3 | tion | |||||||||||||||||
Layer | (cm) | Horz | ion | ( - - - - - - - - - peak size - - - - - - - - - - ) | (- - - - - - - - - % - - - - - - - - - -) | (- - - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - - - - -) | mg g-1 | ||||||||||||||
91P01249 | 0.0-5.0 | E | tcly | MI 3 | KK 2 | MT 2 | CL 1 | 17 | 8.1 | 3.0 | |||||||||||
91P01251 | 15.0-28.0 | Bt2 | tcly | MI 4 | MT 3 | KK 2 | QZ 1 | 25 | 10.7 | 3.6 |
FRACTION INTERPRETATION: | ||||
tcly - Total Clay <0.002 mm |
MINERAL INTERPRETATION: | ||||
CL Chlorite | KK Kaolinite | MI Mica | MT Montmorillonite | QZ Quartz |
RELATIVE PEAK SIZE: | 5 Very Large | 4 Large | 3 Medium | 2 Small | 1 Very Small | 6 No Peaks |