Analysis of the Rare Earth Mineral Resources Reserve System and Model Construction Based on Regional Development

Table 1

Block reserves calculation.

Method	Block name	Segment volume (m^3)	Volumetric weight of ore (tm^−3)	Mineral resources (t)	Block grade (%)	Rare earth quantity (t)
Traditional method	A1-21	8736.21	2.88	2213.71	0.55	141.21
	A2-22	5886.01	2.88	1628.93	0.63	102.37
	A3-23	996.27	2.88	2849.72	0.87	22.17
	A4-24	7896.62	2.88	2214.66	0.66	140.61
Parallel section method	A1-21	8512.71	2.88	2336.89	0.56	142.47
	A2-22	6003.87	2.88	19632.25	0.81	147.25
	A3-23	1022.41	2.88	2886.91	0.89	116.85
	A4-24	8201.93	2.88	20124.76	0.64	66.89