Rock Type Effects on Radio Signal Attenuation

Table 4

RSSI value changes by rock types.

Rock type	Change of RSSI value
PGR	±1
QGN	+1–+4
Biotite-rich MGN	+6–+12
QGN+biotite-rich MGN	+2–+6
Mica-rich	+10–+15
Biotite+MGN	+12–+18
Biotite	+10–+16
VGN+mica-rich	+6–+10
VGN+quartz+plagioclase+chlorite+pyrrhotite	+15–+30
Chromitite	+40–+60