Economic and Environmental Geology

Table. 1.

Table. 1.

Densities of various rock types sampled from the middle part of the Korean peninsula (Park et al., 2009)

Rock Type Sample Density (g/㎤)
Range Mean SD
Andesite (Kban) 138 2.43 ~ 3.00 2.70 0.08
Basalt (Qba) 3 2.62 ~ 2.83 2.72 0.10
Biotite Granite (Jbgr) 315 2.26 ~ 2.83 2.64 0.05
Breccia (Ksb) 9 2.42 ~ 2.70 2.53 0.08
Granitic Gneiss (PRgrgn) 391 2.48 ~ 3.10 2.68 0.07
Granite Prophyry (Kgp) 21 2.52 ~ 2.70 2.59 0.04
Rhyolite (Krh) 11 2.45 ~ 2.73 2.56 0.07
Sand Stone (DM) 203 2.44 ~ 3.09 2.67 0.07
Schist (PRsch) 22 2.64 ~ 3.18 2.77 0.15
Metasyenite (PRgms) 2 2.69 ~ 3.14 2.92 0.30
Tuff (Kdt) 149 2.44 ~ 2.86 2.62 0.08
Econ. Environ. Geol. 2022;55:633-48 https://doi.org/10.9719/EEG.2022.55.6.633
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