A Fast Independent Component Analysis Algorithm for Geochemical Anomaly Detection and Its Application to Soil Geochemistry Data Processing

Table 4

Zoning sequences delineated by the cumulative frequency.

Zoning	Au	Cu	Pb	Zn	As	Sb	𝑦1	𝑦2	𝑦3	𝑦4	𝑦5	𝑦6
Exozone	9.8	34	19.5	85.4	59.2	2.75	0.2379	0.4269	1.6729	0.8691	−0.151	4.4311
Mesozone	25.1	42.9	27.9	102	135	4.49	0.4289	0.889	2.6092	1.5673	0.6145	5.2717
Intrazone	52	50.9	41.5	115	227	7.98	0.871	1.935	4.0833	2.883	1.7436	5.9494