Economic and Environmental Geology

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Table. 2.

Table. 2.

Physical and Mineralogical properties for roof tiles

Group Sample Chromaticity Specific gravity Water absorption (%) Magnetic susceptibility1 Minerals2
L* a* b*
Original roof tiles #01 39.73 0.59 4.31 1.94 10.32 2.79 Q, K, P, Mu, Her
#02 56.36 4.46 16.14 1.75 16.57 2.79 Q, K, P, M
#03 63.95 14.31 27.90 1.74 16.73 2.27 Q, K, P, M, Am
#07 55.74 8.02 21.83 1.78 14.57 0.94 Q, K, P, M
#08 60.59 4.13 15.85 1.80 14.00 0.52 Q, K, P, M
#09 58.52 20.24 29.83 1.73 16.97 3.21 Q, K, P
#12 49.99 3.57 14.28 1.87 12.24 1.66 Q, K, P
#13 61.97 0.65 8.29 1.82 13.68 0.27 Q, K, P, M
#15 58.38 12.97 26.79 1.81 15.91 7.86 Q, K, P, Mu, Her
#17 54.46 23.84 36.25 1.67 20.80 7.65 Q, K, P, M
#18 51.30 10.26 20.23 1.83 15.27 1.12 Q, K, P, M
#19 58.05 1.46 11.26 1.74 16.89 0.98 Q, K, P, Am
#20 61.98 4.96 18.88 1.82 14.30 3.89 Q, K, P, M
#21 53.02 19.69 29.03 1.73 18.36 10.76 Q, K, P, Am
#26 61.25 4.58 16.50 1.80 15.12 0.87 Q, K, P, M, Am
#27 37.92 2.10 6.79 1.82 14.06 2.07 Q, K, P, M
#28 53.85 20.16 25.48 2.01 7.85 7.28 Q, K, P, Mu, Her, T
Deformed roof tiles #04 40.38 -0.79 3.05 2.34 0.80 1.40 Q, Mu, Her
#05-1 51.41 11.30 18.48 1.37 6.99 0.44 Core: Q, P, Mu, Her
#05-2 39.14 3.16 9.54 1.37 6.99 Surface: Q. P, Mu, Her, H
#06 47.72 15.12 19.95 2.06 4.81 1.58 Core: Q, P, Mu, Her, T
#06 47.72 15.12 19.95 2.06 4.81 Surface: Q, P, Mu, Her, T, H
#10 53.26 15.40 22.71 1.97 8.67 0.65 Q, K, P, Mu
#11-1 44.71 7.04 12.16 2.04 7.82 0.87 Q, K, P, Mu, Her
#11-2 42.59 4.68 9.56 1.90 1.73 Q, K, P, Mu, Her
#14 42.72 0.27 5.48 2.35 0.87 0.70 Q, P, Mu, Her
#16-1 51.80 15.43 25.52 1.23 8.93 0.58 Q, K, P, Mu, Her
#16-2 45.15 3.77 11.57 1.23 8.93
#22 45.91 18.77 22.54 1.98 11.01 6.46 Q, K, Her
#23-1 53.17 20.04 29.19 1.78 16.38 1.78 Q, K, P, M, Am
#23-2 36.53 0.70 6.00 - - -
#23-3 36.29 2.28 7.96 2.25 2.42 Q, K, Mu, Her, H
#24-1 40.96 -1.10 3.71 1.04 9.22 0.31 Q, K, P, Mu, Her
#24-2 38.07 5.80 9.20 1.04 9.22
#25 46.96 0.61 7.56 1.33 10.89 0.68 Q, K, P, Mu, Her
#29-1 53.73 18.29 25.99 2.01 7.24 1.16 Q, K, P, Mu, Her
#29-2 38.19 3.38 7.94 1.40 7.41 Q, K, P, Mu, Her

1Average magnetic susceptibility(×10-3 SI unit).

2Abbreviations: Q; quartz, K; K-feldspar, P; plagioclase, M; mica, Am; amphibole, Mu; mullite, Her; hercynite, H; hematite, T; tridymite.

Econ. Environ. Geol. 2021;54:671-87 https://doi.org/10.9719/EEG.2021.54.6.671
© 2021 Econ. Environ. Geol.