Economic and Environmental Geology

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Table. 1.

Table. 1.

Selected whole rock analyses using XRF powder pellets of fresh Sheba Deposit rock samples

Sample 125208
(metapelites)
125490
(metapelites)
125941
(metapelites)
FSC-307917
(greywacke)
FSC-307919
(metapelites)
FSC-307929
(muscovite arkoses)
SiO2 63.89 60.51 67.04 37.40 56.29 75.34
Al2O3 19.4 12.3 19.4 15.8 19.5 14.8
Na2O 0.15 0.16 0.80 0.23 0.18 0.15
MgO 0.99 1.48 5.11 1.39 7.78 2.93
P2O5 0.03 0.02 0.02 0.02 0.06 0.01
K2O 5.09 4.56 1.52 7.18 2.98 1.78
CaO 0.10 0.24 0.36 0.08 6.06 3.32
Fe2O3 4.26 6.65 9.19 10.60 9.60 3.18
Cr2O3 0.14 0.14 0.26 0.23 0.30 0.12
TiO2 0.64 0.61 0.23 0.97 0.50 0.19
V 0.04 0.04 0.02 0.06 0.05 0.02
Mn 0.01 0.04 0.05 0.01 0.28 0.15
Co 0.02 0.01 0.04 0.02 0.03 0.03
Ni 0.04 0.04 0.08 0.06 0.08 0.04
Cu 0.01 0.02 0.02 0.03 0.01 0.58
Zn 0.01 0.02 0.01 0.04 0.01 0.11
Ga 0.00 0.00 0.00 0.00 0.00 0.00
As 2.02 4.30 4.47 6.95 0.00 1.30
Br 0.00 0.00 0.00 0.00 0.41 0.00
Rb 0.02 0.00 0.01 0.01 0.00 0.00
Sr 0.00 0.02 0.01 0.02 0.01 0.01
Y 0.01 0.00 0.00 0.00 0.02 0.01
Zr 0.02 0.01 0.00 0.01 0.01 0.00
Econ. Environ. Geol. 2021;54:213-32 https://doi.org/10.9719/EEG.2021.54.2.213
© 2021 Econ. Environ. Geol.