Petrophysical Properties (Density and Magnetization) of Rocks from the Suhbaatar-Ulaanbaatar-Dalandzadgad Geophysical Profile in Mongolia and Their Implications

Table 2

Statistical results of ρ, κ, NRM, and Q values of different igneous rocks.

Lithology		ρ (g/cm^3)	NRM (mA/m)	κ (10^−5 SI)	Q
Extrusive rocks	Basalt (𝑛=45)	2.59~2.83	196.5~4378.0	350.3~2150.4	0.23~6.00
		2.72±0.09	1379.8±1435.3	1303.5±547.7	2.66±1.73
	Dacite (𝑛=30)	2.58~2.71	1.1~4726.5	12.2~3275.7	0.21~32.69
		2.63±0.04	300.2±1902.5	348.3±1656	2.17±12.65
All extrusive rocks		2.58~2.83; 2.69±0.09	1.1~4726.5; 717.7±1582.6	12.2~3275.7; 740.4±1106.8	0.21~32.69; 2.44±8.16
Pyroclastic rocks	Tuff (𝑛=45)	2.52~2.77	0.5~2465.3	5.3~1568.3	0.09~30.13
		2.63±0.08	14.2±823.6	41.5±510.8	0.86±10.40
Hypabyssal rocks	Porphyry (𝑛=25)	2.56~2.60	0.4~632.4	2.0~509.9	0.43~7.59
		2.57±0.02	10.0±276.2	14.4±222.5	1.75±2.92
	Diorite (𝑛=15)	2.85~2.97	3.3~5.5	35.9~71.7	0.19~0.23
		2.93±0.07	4.3±1.5	50.7±25.3	0.21±0.03
Plutonic rocks (𝑛=160)	Syenite (𝑛=10)	2.59~2.76	9.8~449.4	8.2~378.6	2.98~2.98
		2.68±0.12	66.2±310.9	55.8±261.9	2.98±0.0
	Granite (𝑛=135)	2.57~2.81	0.5~1826.5	3.0~933.7	0.06~12.71
		2.64±0.06	38.4±562.4	79.7±292.0	0.49±2.88
All plutonic rocks		2.58~2.83; 2.69±0.09	1.1~4726.5; 717.7±1582.6	12.2~3275.7; 740.4±1106.8	0.21~32.69; 2.44±8.16