Economic and Environmental Geology

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Table. 4.

Table. 4.

Results on element contents (ppm) using P-XRF for surface contaminants of foundation stones in the Sebyeonggwan Hall

Classification Ca Ti Mn Fe
Fresh spot 32,866 3,835 806 40,128
Brown discolored 35,366 5,667 1,457 61,814
Black discolored 16,808 3,797 23,307 26,317
Restoration material 57,836 5,210 1,930 23,012
Deposit 188,850 2,890 713 23,127
Econ. Environ. Geol. 2021;54:199-212 https://doi.org/10.9719/EEG.2021.54.2.199
© 2021 Econ. Environ. Geol.