Fragipan Horizon - Soil Geography of the USA: A Diagnostic-Horizon Approach - page 151

Table 15.1 Analytical properties of fragic soils (Bockheim and Hartemink 2013 )

Bulk
density
(g/cm 3 )

CEC
(cmol c /
kg)

Base
sat.
(%)

Depth
(cm)

Sand
(%)

Silt
(%)

Clay
(%)

OC
(%) pH

Fe d
(%)

Al d
(%) Horizon

Providence: fine-silty, mixed, thermic Oxyaquic Fragiudalfs (Pedon No. 85P0085)
Ap1

0-11 10.6 79.4 10.0 1.36 1.88 6.2 7.9 66 0.6 0.1

Ap2 11-20 8.1 76.3 15.6 1.56 0.45 5.2 8.0 59 1.3 0.1

Bt1 20-45 4.3 65.9 29.8 1.58 0.22 5.1 11.2 57 1.9 0.2

Bt2 45-63 6.2 69.3 24.5 1.49 0.13 5.1 11.0 38 2.1 0.2

B/E 63-79 5.8 67.7 23.8 1.62 0.07 5.3 11.6 48 2.1 0.2

Btx1 79-99 12.5 61.2 26.3 1.67 0.08 5.2 13.5 55 1.6 0.2

Btx2 99-119 24.9 54.2 20.9 1.70 0.08 5.1 11.2 61 1.2 0.1

Btx3 119-155 34.7 45.4 19.9 1.82 0.06 4.9 9.6 69 1.1 0.1

Btx4 155-181 46.4 37.4 16.2 1.93 0.04 5.1 7.8 71 0.9 0.1

Btx5 181-208 61.3 28.1 10.6 - 0.04 5.1 3.8 66 0.8 0.1

Calloway: fine-silty, mixed, active, thermic Aquic Fraglossudalfs (Pedon No. 40A1351)
Ap 0-13 4.8 84.4 10.8 1.47 0.72 5.5 6.7 46 1.1 -

BE 13-23 2.6 78.0 9.4 1.52 0.24 5.2 7.9 47 1.1 -

Bt1 23-46 2.6 72.6 24.8 1.44 0.16 5.1 10.9 39 1.4 -

Bt2 46-56 3.8 76.4 19.8 1.48 0.07 5.1 11.4 32 1.6 -

E/B 56-64 3.0 75.8 21.2 1.48 0.09 4.9 12.0 39 1.8 -

Btx1 64-79 1.8 71.8 26.4 1.62 0.11 4.7 15.4 47 1.6 -

Btx2 79-97 1.4 74.6 24.0 1.60 0.05 4.7 15.9 58 1.4 -

Btx3 97-142 2.1 74.8 23.1 1.51 0.07 4.8 17.4 72 1.4 --

Btx4 142-173 4.3 73.9 21.8 1.58 0.05 5.2 16.1 88 1.3 -

Btx5 173-216 8.0 70.4 21.6 1.64 0.04 6.2 15.8 97 1.1 -

2Bt3 216-244 14.0 63.9 22.1 - 0.04 6.9 14.7 99 0.8 -

Volusia: fine-loamy, mixed, active, mesic Aeric Fragiaquepts (Pedon No. 67PA095026)
Ap 0-23 28.2 53.3 18.5 1.40 1.40 5.9 14.2 26 1.7 -

Bw 23-43 29.9 52.2 17.9 1.61 0.13 5.6 8.3 23 1.7 -

Bgx1 43-69 41.7 40.6 17.7 1.73 0.07 5.3 8.8 13 1.8 -

Bgx2 69-99 39.7 42.3 18.0 1.76 0.04 5.5 9.0 23 1.7 -

Bgx3 99-127 38.9 42.2 18.9 1.82 0.04 5.5 7.7 34 1.8 -

Bgx4 127-145 43.5 37.6 18.9 1.77 0.05 5.4 7.8 35 1.9 -

Bgx5 145-170 42.4 39.7 17.9 1.71 0.05 5.6 7.9 30 1.4 -

Bgx6 170-206 45.5 38.0 16.5 1.70 0.06 5.5 7.7 35 1.8 -

Gogebic: coarse-loamy, isotic, frigid Alfic Oxyaquic Fragiorthods (Pedon No. 86MI053002)
E 0-8 63.8 32.4 3.8 1.43 1.19 4.1 5.6 30 0.6 tr

Bs1 8-15 59.6 31.2 9.2 - 3.42 4.5 21.3 11 2.3 0.6

Bs2 15-34 64.9 30.0 5.1 1.14 3.42 4.6 18.9 5 1.3 0.6

Bw 34-44 65.4 31.3 3.3 1.39 2.31 4.7 12.3 5 0.8 0.5

EB 44-55 67.8 29.4 2.8 - 0.79 4.9 5.1 8 0.5 0.2

2Ex 55-85 72.9 24.8 2.3 2.19 0.13 5.1 2.1 5 - -

2(E/B)x 85-103 74.2 23.1 2.7 1.89 0.05 5.2 2.1 43 - -

2Bt 103-133 62.3 28.4 9.3 2.02 0.05 6.2 5.5 98 - -

2B/C 133-178 73.8 18.7 7.5 1.94 0.03 5.2 4.3 98 - -

3C 178-208 90.7 6.5 2.8 - 0.03 6.0 1.9 89 - -

(continued)