Ochric Epipedon - Soil Geography of the USA: A Diagnostic-Horizon Approach - page 56

Table 7.1 (continued)

Depth Munsell Clay Silt 1,500(kPa) Db OC pH CEC Base sat. Fe d Al d

(g/cm 3 ) Horizon (cm) color (m) (%) (%) /clay (%) (%) H 2 O (cmol c /kg) (%) (%) (%)

Calloway: fine-silty, mixed, active, thermic Aquic Fraglossudalfs (Pedon No. 40A1351)
Ap

0-13 10YR 4/2 10.8 84.4 1.47 0.72 5.5 6.7 46 1.1 -

BE 13-23 10YR 5/4 9.4 78.0 1.52 0.24 5.2 7.9 47 1.1 -

Bt1 23-46 10YR 5/2 24.8 72.6 1.44 0.16 5.1 10.9 39 1.4 -

Bt2 46-56 10YR 7/4 19.8 76.4 1.48 0.07 5.1 11.4 32 1.6 -

Hollomex: Ustic Haplogypsids; De Baca, NM (Pedon No. 82P0510)
A

0-5 7.5YR 5/4 10.0 41.2 1.36 1.22 7.6 13.8

By1 5-15 7.5YR 4/4 1.14 0.65 7.4 1.8

By2 15-32 10YR 7/3 0.49 7.4 2.5

By3 32-44 10YR 7/3 1.15 0.33 7.6 1.6

Orla: Typic Haplogypsids; Reeves, TX (Pedon No. 79P0140)
A

0-3 10YR 4/3 15.0 31.1 1.09 7.1 14.2

By1 3-15 10YR 7/3 36.3 29.0 0.37 7.3 3.0

By2 15-48 10YR 7/3 30.7 46.0 0.24 7.6 2.8

By3 48-69 35.6 45.1 0.11 7.7 3.8

Purgatory: Leptic Haplogypsids; Navajo, AZ (Pedon No. 40A0683)
A 0-3 5YR 4/6 0.80 7.2 5.7

By11 3-36 5YR 4/6 18.7 58.4 1.14 0.34 7.8 2.7

By12 36-58 5YR 4/6 9.3 71.9 1.31 0.16 7.9 4.2

By2 58-79 N5/ 17.2 76.2 1.37 0.03 8.2 3.9

By3 79-118 2.5YR 3/6 10.7 84.2 0.05 8.3 5.3

Gagil: fine, sesquic, isohyperthermic Typic Haploperox; Yap, Micronesia (Pedon No. 80P0308)
A

0-10 7.5YR 4/4 2.68 5.1 13

Bo1 10-20 5YR 4/6 4.9 10

Bo2 20-45 5YR 4/6 4.9 9.6