*** Primary Characterization Data *** |
Pedon ID: 63KS057001 | ( Ford, Kansas ) | Print Date: Nov 23 2024 11:11PM |
Sampled as on May 30, 1963: | Spearville ; Fine, montmorillonitic, mesic Typic Argiustolls |
Revised to correlated: | Spearville ; Fine, smectitic, mesic Typic Argiustoll |
United States Department of Agriculture | ||||
SSL | - | Project | NL40001 SSIR SAMPLES | Soil Conservation Service |
- | Site ID | S1963KS057001 Lat: 37° 52' 3.00" north Long: 100° 8' 12.00" west MLRA: 73 | Lincoln Soil Survey Laboratory | |
- | Pedon No. | 40A1862 | Soil Laboratory | |
- | General Methods 1B1A, 2A1, 2B | Lincoln, Nebraska |
Layer | Horizon | Orig Hzn | Depth (cm) | Field Label 1 | Field Label 2 | Field Label 3 | Field Texture | Lab Texture |
40A14845 | Ap | Ap | 0-15 | 18450 | SICL | |||
40A14846 | Bt1 | B21t | 15-30 | 18451 | SIC | |||
40A14847 | Bt2 | B22t | 30-46 | 18452 | SIC | |||
40A14848 | Bk1 | B3ca | 46-76 | 18453 | SICL | |||
40A14849 | Bk2 | C1ca | 76-114 | 18454 | SICL | |||
40A14850 | Bk3 | C2ca | 114-147 | 18455 | SICL | |||
40A14851 | Bk4 | C3ca | 147-183 | 18456 | SICL | |||
40A14852 | Ab1 | A11B | 183-221 | 18457 | SICL | |||
40A14853 | Ab2 | A12B | 221-274 | 18458 | L | |||
40A14854 | Bk | C4ca | 274-305 | 18459 | CL | |||
40A14855 | Bb | B2 B | 305-361 | 18460 | CL | |||
40A14856 | Bkb1 | C5ca | 361-412 | 18461 | SICL | |||
40A14857 | Bkb2 | C6ca | 412-468 | 18462 | CL |
Pedon Calculations | |||
Calculation Name | Result | Units of Measure | |
CEC Activity, CEC7/Clay, Weighted Average | 0.68 | (NA) | |
Clay, carbonate free, Weighted Average | 45 | % wt | |
Weighted Particles, 0.1-75mm, 75 mm Base | 1 | % wt | |
Volume, >2mm, Weighted Average | 0 | % vol | |
Clay, total, Weighted Average | 45 | % wt | |
Weighted averages based on control section: 15-46 cm |
*** Primary Characterization Data *** |
Pedon ID: 63KS057001 | ( Ford, Kansas ) | Print Date: Nov 23 2024 11:11PM |
Sampled As | : | Spearville | Fine, montmorillonitic, mesic Typic Argiustolls | ||
USDA-SCS-Soil Survey Laboratory | ; | Pedon No. 40A1862 |
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 | |||||||
40A14845 | 0-15 | Ap | S | sicl | 33.2 | 56.9 | 9.9 | 21.6 | 35.3 | 8.2 | 1.4 | 0.2 | 0.1 | tr | -- | -- | -- | 2 | -- | ||
40A14846 | 15-30 | Bt1 | S | sic | 46.5 | 48.3 | 5.2 | 19.9 | 28.4 | 4.1 | 0.8 | 0.2 | 0.1 | -- | -- | -- | -- | 1 | -- | ||
40A14847 | 30-46 | Bt2 | S | sic | 42.7 | 52.8 | 4.5 | -- | 24.1 | 28.7 | 3.9 | 0.4 | 0.1 | 0.1 | tr | -- | -- | -- | 1 | -- | |
40A14848 | 46-76 | Bk1 | S | sicl | 34.1 | 61.2 | 4.7 | tr | 27.4 | 33.8 | 4.2 | 0.3 | 0.1 | 0.1 | tr | -- | -- | -- | 1 | -- | |
40A14849 | 76-114 | Bk2 | S | sicl | 29.2 | 65.1 | 5.7 | tr | 28.9 | 36.2 | 5.2 | 0.4 | 0.1 | tr | tr | -- | -- | -- | 1 | -- | |
40A14850 | 114-147 | Bk3 | S | sicl | 27.9 | 65.2 | 6.9 | 3.0 | 29.3 | 35.9 | 6.3 | 0.5 | 0.1 | tr | tr | -- | -- | -- | 1 | -- | |
40A14851 | 147-183 | Bk4 | S | sicl | 28.2 | 62.9 | 8.9 | 1.0 | 27.2 | 35.7 | 7.9 | 0.9 | 0.1 | tr | -- | -- | -- | -- | 1 | -- | |
40A14852 | 183-221 | Ab1 | S | sicl | 29.5 | 52.3 | 18.2 | tr | 22.4 | 29.9 | 14.4 | 3.5 | 0.2 | 0.1 | tr | -- | -- | -- | 4 | -- | |
40A14853 | 221-274 | Ab2 | S | l | 25.8 | 29.9 | 44.3 | tr | 11.8 | 18.1 | 33.7 | 9.9 | 0.4 | 0.3 | tr | -- | -- | -- | 11 | -- | |
40A14854 | 274-305 | Bk | S | cl | 27.3 | 35.5 | 37.2 | 2.0 | 12.3 | 23.2 | 35.4 | 1.5 | 0.2 | 0.1 | tr | -- | -- | -- | 2 | -- | |
40A14855 | 305-361 | Bb | S | cl | 36.4 | 40.9 | 22.7 | tr | 15.1 | 25.8 | 17.5 | 4.0 | 0.5 | 0.5 | 0.2 | -- | -- | -- | 5 | -- | |
40A14856 | 361-412 | Bkb1 | S | sicl | 38.3 | 42.2 | 19.5 | 14.0 | 20.7 | 21.5 | 15.0 | 3.3 | 0.4 | 0.6 | 0.2 | -- | -- | -- | 5 | -- | |
40A14857 | 412-468 | Bkb2 | S | cl | 36.9 | 41.1 | 22.0 | 10.0 | 19.9 | 21.2 | 16.8 | 3.7 | 0.5 | 0.7 | 0.3 | -- | -- | -- | 5 | -- |
*** Primary Characterization Data *** |
Pedon ID: 63KS057001 | ( Ford, Kansas ) | Print Date: Nov 23 2024 11:11PM |
Sampled As | : | Spearville | Fine, montmorillonitic, mesic Typic Argiustolls | ||
USDA-SCS-Soil Survey Laboratory | ; | Pedon No. 40A1862 |
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 | ||||||||||||||
40A14845 | 0-15 | Ap | S | 14.6 | 0.68 | 0.44 | |||||||||||
40A14846 | 15-30 | Bt1 | S | 1.29 | 1.78 | 0.113 | 32.2 | 20.5 | 0.15 | 0.66 | 0.44 | ||||||
40A14847 | 30-46 | Bt2 | S | 1.37 | 1.76 | 0.087 | 29.6 | 19.9 | 0.13 | 0.69 | 0.47 | ||||||
40A14848 | 46-76 | Bk1 | S | 1.31 | 1.54 | 0.055 | 28.4 | 16.8 | 0.15 | 0.75 | 0.49 | ||||||
40A14849 | 76-114 | Bk2 | S | 1.17 | 1.28 | 0.030 | 31.5 | 15.6 | 0.19 | 0.83 | 0.53 | ||||||
40A14850 | 114-147 | Bk3 | S | 16.0 | 0.80 | 0.57 | |||||||||||
40A14851 | 147-183 | Bk4 | S | 1.20 | 1.34 | 0.037 | 31.6 | 16.2 | 0.18 | 0.80 | 0.57 | ||||||
40A14852 | 183-221 | Ab1 | S | 13.6 | 0.68 | 0.46 | |||||||||||
40A14853 | 221-274 | Ab2 | S | 10.9 | 0.42 | ||||||||||||
40A14854 | 274-305 | Bk | S | 10.7 | 0.39 | ||||||||||||
40A14855 | 305-361 | Bb | S | 15.6 | 0.43 | ||||||||||||
40A14856 | 361-412 | Bkb1 | S | 12.9 | 0.34 | ||||||||||||
40A14857 | 412-468 | Bkb2 | S | 12.8 | 0.35 |
Water Content | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | |||||||
(- - Atterberg - -) | (- - - - - Bulk Density - - - - -) | (- - - - - - - - - - - - - - - - - - - - - - - Water Content - - - - - - - - - - - - - - - - - - - - -) | ||||||||||||||||||
(- - - Limits - - -) | Field | Recon | Recon | Field | Recon | (- - - - - - - - - - - - - - Sieved Samples - - - - - - - - - - - - -) | ||||||||||||||
LL | PI | 33 | Oven | 33 | 6 | 10 | 33 | 100 | 200 | 500 | ||||||||||
Depth | kPa | Dry | kPa | kPa | kPa | kPa | kPa | kPa | kPa | |||||||||||
Layer | (cm) | Horz | Prep | pct <0.4mm | (- - - - - - - - g cm-3 - - - - - - -) | (- - - - - - - - - - - - - - - - - - - - - - - % of < 2mm - - - - - - - - - - - - - - - - - - - - - -) | ||||||||||||||
3B1a | 4B4 | |||||||||||||||||||
40A14845 | 0-15 | Ap | CLODDB | 1.11 | 24.4 | |||||||||||||||
40A14846 | 15-30 | Bt1 | CLODDB | 1.38 | 27.0 | |||||||||||||||
40A14847 | 30-46 | Bt2 | CLODDB | 1.49 | 21.8 | |||||||||||||||
40A14848 | 46-76 | Bk1 | CLODDB | 1.42 | 17.9 | |||||||||||||||
40A14849 | 76-114 | Bk2 | CLODDB | 1.24 | 13.2 | |||||||||||||||
40A14851 | 147-183 | Bk4 | CLODDB | 1.31 | 13.7 |
*** Primary Characterization Data *** |
Pedon ID: 63KS057001 | ( Ford, Kansas ) | Print Date: Nov 23 2024 11:11PM |
Sampled As | : | Spearville | Fine, montmorillonitic, mesic Typic Argiustolls | ||
USDA-SCS-Soil Survey Laboratory | ; | Pedon No. 40A1862 |
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 - - - - -) | |||||||||||||||
6B1a | 6A1a | 6C1b | ||||||||||||||||||||
40A14845 | 0-15 | Ap | S | 0.118 | 1.17 | 0.7 | ||||||||||||||||
40A14846 | 15-30 | Bt1 | S | 0.084 | 0.83 | 0.8 | ||||||||||||||||
40A14847 | 30-46 | Bt2 | S | 0.066 | 0.54 | 0.7 | ||||||||||||||||
40A14848 | 46-76 | Bk1 | S | 0.35 | 0.7 | |||||||||||||||||
40A14850 | 114-147 | Bk3 | S | 0.24 | 0.6 | |||||||||||||||||
40A14851 | 147-183 | Bk4 | S | 0.28 | 0.8 | |||||||||||||||||
40A14852 | 183-221 | Ab1 | S | 0.23 | 0.8 | |||||||||||||||||
40A14853 | 221-274 | Ab2 | S | 0.19 | ||||||||||||||||||
40A14854 | 274-305 | Bk | S | 0.16 | ||||||||||||||||||
40A14855 | 305-361 | Bb | S | 0.50 | ||||||||||||||||||
40A14856 | 361-412 | Bkb1 | S | 0.16 | ||||||||||||||||||
40A14857 | 412-468 | Bkb2 | S | 0.08 |
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 - - -) | (- - - - - - - - % - - - - - - - -) | ||||||||||
6N3a | 6O3a | 6P2a | 6Q2a | 6H1a | 5A1a | ||||||||||||
40A14845 | 0-15 | Ap | S | 14.7 | 1.6 | 0.1 | 1.9 | 5.5 | 22.6 | 77 | |||||||
40A14846 | 15-30 | Bt1 | S | 23.4 | 7.3 | 0.3 | 1.8 | 3.8 | 30.7 | 90 | |||||||
40A14847 | 30-46 | Bt2 | S | 22.7 | 6.2 | 0.6 | 1.7 | 1.5 | 29.6 | 95 | |||||||
40A14848 | 46-76 | Bk1 | S | 20.8 | 5.9 | 1.2 | 1.6 | 25.7 | 100 | ||||||||
40A14849 | 76-114 | Bk2 | S | 21.4 | 5.3 | 2.2 | 1.7 | 24.1 | 100 | ||||||||
40A14850 | 114-147 | Bk3 | S | 22.6 | 4.2 | 2.7 | 1.7 | 22.4 | 100 | ||||||||
40A14851 | 147-183 | Bk4 | S | 20.5 | 3.5 | 2.2 | 1.7 | 22.5 | 100 | ||||||||
40A14852 | 183-221 | Ab1 | S | 18.5 | 2.7 | 1.6 | 1.4 | 20.1 | 100 |
*** Primary Characterization Data *** |
Pedon ID: 63KS057001 | ( Ford, Kansas ) | Print Date: Nov 23 2024 11:11PM |
Sampled As | : | Spearville | Fine, montmorillonitic, mesic Typic Argiustolls | ||
USDA-SCS-Soil Survey Laboratory | ; | Pedon No. 40A1862 |
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 - -) | % | |||||||||||||||
8A | 8D5 | 8A1a | |||||||||||||||||||||
40A14845 | 0-15 | Ap | S | tr | |||||||||||||||||||
40A14846 | 15-30 | Bt1 | S | 1 | |||||||||||||||||||
40A14847 | 30-46 | Bt2 | S | 2 | |||||||||||||||||||
40A14848 | 46-76 | Bk1 | S | 5 | |||||||||||||||||||
40A14849 | 76-114 | Bk2 | S | 9 | |||||||||||||||||||
40A14850 | 114-147 | Bk3 | S | 51.0 | 0.2 | 4.90 | 12 | ||||||||||||||||
40A14851 | 147-183 | Bk4 | S | 10 | |||||||||||||||||||
40A14852 | 183-221 | Ab1 | S | 8 |
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 | |||
8C1a | 8C1b | 6E1a | ||||||||||||
40A14845 | 0-15 | Ap | S | 6.1 | ||||||||||
40A14846 | 15-30 | Bt1 | S | 6.9 | -- | |||||||||
40A14847 | 30-46 | Bt2 | S | 7.8 | -- | |||||||||
40A14848 | 46-76 | Bk1 | S | 8.1 | 3 | |||||||||
40A14849 | 76-114 | Bk2 | S | 7.9 | 4 | |||||||||
40A14850 | 114-147 | Bk3 | S | 7.9 | 7.5 | 7 | ||||||||
40A14851 | 147-183 | Bk4 | S | 7.9 | 3 | |||||||||
40A14852 | 183-221 | Ab1 | S | 7.8 | 2 | |||||||||
40A14853 | 221-274 | Ab2 | S | 1 | ||||||||||
40A14854 | 274-305 | Bk | S | 8 | ||||||||||
40A14855 | 305-361 | Bb | S | 2 | ||||||||||
40A14856 | 361-412 | Bkb1 | S | 28 | ||||||||||
40A14857 | 412-468 | Bkb2 | S | 25 |
*** Primary Characterization Data *** |
Pedon ID: 63KS057001 | ( Ford, Kansas ) | Print Date: Nov 23 2024 11:11PM |
Sampled As | : | Spearville | Fine, montmorillonitic, mesic Typic Argiustolls | ||
USDA-SCS-Soil Survey Laboratory | ; | Pedon No. 40A1862 |
Miscellaneous Data | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | |||
(- Sat Paste Ex. -) | (- Sand -) | ( Water Content ) | Bulk | ||||||||||||||
(- - - - Extractable Bases - - - -) | (- - - CEC8 - - -) | CO3+ | (- - - pH - - -) | M+C+VC | Moist Sieved | Density | |||||||||||
Depth | Ca | Mg | Na | K | NaOAC | BaCl2 | Ca+Mg | HCO3 | CaCl2 | H2O | .25-2 | 100 kPa | 200 kPa | 10 kPa | |||
Layer | (cm) | Horz | Prep | (- - - - - - - - - - - - - - - cmol(+)kg-1 - - - - - - - - - - - - - -) | mmol(+)L-1 | mmol(-)L-1 | 1:10 | 1:10 | (- - - - - % of <2mm - - - - -) | g cm-3 | |||||||
6N3a | 6O3a | 8C1a | |||||||||||||||
40A14845 | 0-15 | Ap | S | 14.7 | 1.6 | 6.6 | |||||||||||
40A14846 | 15-30 | Bt1 | S | 23.4 | 7.3 | 7.1 | |||||||||||
40A14847 | 30-46 | Bt2 | S | 22.7 | 6.2 | 8.2 | |||||||||||
40A14848 | 46-76 | Bk1 | S | 20.8 | 5.9 | 8.8 | |||||||||||
40A14849 | 76-114 | Bk2 | S | 21.4 | 5.3 | 8.6 | |||||||||||
40A14850 | 114-147 | Bk3 | S | 22.6 | 4.2 | 8.4 | |||||||||||
40A14851 | 147-183 | Bk4 | S | 20.5 | 3.5 | 8.6 | |||||||||||
40A14852 | 183-221 | Ab1 | S | 18.5 | 2.7 | 8.5 |
*** Primary Characterization Data *** |
Pedon ID: 63KS057001 | ( Ford, Kansas ) | Print Date: Nov 23 2024 11:11PM |
Sampled As | : | Spearville | Fine, montmorillonitic, mesic Typic Argiustolls | ||
USDA-SCS-Soil Survey Laboratory | ; | Pedon No. 40A1862 |
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 | tion | ||||||||||||||||||
Layer | (cm) | Horz | ion | ( - - - - - - - - - peak size - - - - - - - - - - ) | (- - - - - - - - - % - - - - - - - - - -) | (- - - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - - - - -) | mg g-1 | ||||||||||||||
40A14847 | 30.0-46.0 | Bt2 | tcly | MT 5 | MI 2 | KK 2 |
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 |