Download - Chapter VI Weathering and Sedimentary Rocks
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Chapter VIWeathering and Sedimentary Rocks
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Table VI-2. Compositions of residual deposits (saprolite and bauxite) and their parental rocks (basalt and nepheline syenite) in unit of ppm, and the enrichment factors of elements ( i
AlE ) in the residual deposits relative to their parental rocks.
Hawaii Arkansas i
AlE
Basalt(1) Saprolite(1) Syenite(2) Bauxite(2) Saprolite Bauxite Ag-47 0.14 ~ 0 ~ 0 Al-13 70000 70000 102000 300000 1 1 B-5 ~ 0 3 >1 Ba-56 410 8 710 13 0.02 0.006 Be-4 0.9 0.5 1.7 0.6 Ca-20 66000 40 10100 330 0.0006 0.01 Co-27 90 18 0.2 Cr-24 400 560 2 43 1.4 7.2 Cu-29 290 33 5 13 0.11 0.87? Fe-26 100000 27000 58000 0.72 Ga-31 13 15 20 63 1.2 1.1 K-19 3000 ~ 0 52000 500 ~ 0 0.003 La-57 30 3 300 120 0.1 0.13 Mg-12 100000 1200 3800 53 0.012 0.005 Mn-25 1200 450 970 830 0.38 0.29 Mo-42 2.8 3.5 8.5 30 1.3 1.2 Na-11 12000 ~ 0 56000 600 ~ 0 0.004 Nb-41 15 15 130 500 1 1.3 Ni-28 840 250 0.3 P-15 3000 950 0.32 Pb-82 12 0.5 20 10 0.04 0.17 Sc-21 18 3 5 5.3 0.17 0.35 Si-14 200000 36500 270000 21000 0.17 0.026 Sr-38 720 2 270 35 0.003 0.043 Th-90 19.3 52 0.9 Ti-22 24000 16500 5100 7300 0.69 0.48 U-92 4.9 6.2 0.42 V-23 210 250 47 60 1.2 0.43 Y-39 60 0.1 130 57 0.002 0.15 Zr-40 190 60 500 1200 0.32 0.80 Data sources: (1) Patterson (1971); (2) Gordon et al. (1958) except Th and U data are from
Adams and Richardson (1960).
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H
Li
B
NF
Na Al
PCl
KSc V Mn Co Cu
Ga
AsBr
RbY Nb Tc Rh Ag
InSb
I
CsLa Pr Pm Eu Tb Ho Tm Lu
Ta Re Ir Au
TlBi
At
FrAc Pa NpAmBk Es Md
Lr
He
BeC
O
Ne
Mg SiS
Ar
Ca Ti Cr Fe NiZn
GeSe
Kr
SrZr Mo Ru Pd Cd
SnTe
Xe
Ba Ce NdSmGd Dy Er Yb HfW Os Pt
HgPb Po
Rn
Ra Th U Pu Cm Cf Fm No
3p6
2p6
4p6
6p6
1s2
2s2
3s2
4s2
5s2
6s2
5d10
4d10
3d10
4f14
5p6
5f14
3d5
4d5
5d5
4f7
5f7
4s2
3d5
5s2
4d5
6s2
4f7
4f14
5d5
7s2
5f7
5f14
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