Geoscience Reference
In-Depth Information
Table 23.1 Analytical properties of selected serpentinitic soils (Source: NSSC SSL)
1,500
(kPa)/
clay
(%)
Bulk
density
(g/cm
3
)
Ca
(cmol
c
/
kg)
CEC
(cmol
c
/
kg)
Base
sat.
(%)
Depth
(cm)
Clay
(%)
Silt
(%)
Sand
(%)
OC
(%)
pH
H
2
O
Mg
(cmol
c
/kg)
Ca/
Mg
Fe
d
(%)
Fe
o
(%)
Cr
(mg/kg)
Ni
(mg/kg) Mineralogy
a
Horizon
Henneke: clayey-skeletal, magnesic, thermic Lithic Argixerolls; CA (Pedon no. 78P0456)
(Slay)
A
0-9
18.5
34.8 46.7
1.08
1.15
1.85 7.3
16.8
3.0
0.18 20.9
96
3.9
AG2, KK1
Bt1
9-26
32.9
34.5 32.6
0.79
1.29
1.27 7.4
25.3
1.3
0.05 27.5
97
0.9
MT2, AG2,
KK1
Bt2
26-41
33.0
34.8 32.2
0.95
1.40
0.74 7.5
29.5
0.3
0.01 29.0
100
0.8
MT3, AG2,
KK1, MI1
Bt3
41-50
21.6
25.0 53.4
1.32
0.47 7.5
22.4
0.1
0.00 22.3
100
3
R 50-60
Serpentano: clayey-skeletal, magnesic, mesic Dystric Eutrudepts; OR (Pedon no. 92P1056)
(Clay)
A
0-10
23.5
41.3 35.2
0.63
0.82
4.89 5.1
1.6
2.1
1.31 24.2
17
6.5 1.19 3,255
2,004
Bw1
10-28
23.3
42.6 34.1
0.55
0.91
2.55 5.2
1.1
0.6
0.55 15.6
13
6.3 2.93 2,846
2,048
KK2, VR1
Bw2
28-46
24.4
42.7 32.9
0.57
0.95
2.33 5.4
1.7
0.8
0.47 16.5
17
6.3 2.76 2,993
2,272
KK2, MT1,
CL1
2C1
61-80
25.7
38.3 36.0
0.73
1.00
0.47 6.6
11.2
0.9
0.08 14.1
86
3.2 2.75 4,191
3,124
KK2, MT2,
GE2, CL1
2Cr
127-159
28.4
35.5 36.1
1.12
1.10
0.22 7.2
14.8
0.5
0.03 14.9
100
1.9 2.16 1,448
4,607
KK3, MT1,
CL1, GE1
Grave Creek: loamy-skeletal, magnesic, mesic Typic Dystroxerepts; OR (Pedon no. 87P0421)
(Optical)
Bw1
18-38
15.7
50.8 33.5
0.29
1.01 5.5
0.9
3.0
3.33
9.8
41
FD34, PR23,
AM14,
OP11,
BT11,
CY4,
HN2,
GS2,
AR1, POtr
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