Analysis of the Distribution and Microscopic Characteristics and Disintegration Characteristics of Carbonaceous Rocks: A Case Study of the Middle Devonian Luofu Formation in Western Guangxi of China

Table 2

Physical properties of carbonaceous shale in different areas of Northern Guangxi.

Number	Horizon	Porosity		Permeability (mD)
		Range value (%)	Average value (%)	Range value	Average value
1-a	Upper part	0.06∼2.61	1.0	0.03∼5.21	0.21
1-b	Lower part	0.06∼2.61	0.77	0.03∼5.21	0.66
2	Luofu group	0.81–6.90	2.69	0.0012–0.056	0.0095