Table 2.

Summary of upstream catchment cluster high and low code-vector values and the frequency of intersecting mines and mineral occurrences based on the OZMIN database (Ewers et al. 2002) for a given mineral commodity

High code to vector ratioLow code to vector ratioCommodity (frequency)
Cluster 1Sand, Ce, Cs, Eu, Fe, Gd, La, Nd, Pr, Rb, Sc, Sm, Tb, Th, Ti, Zr
TC-mean, TC-14con to TC-20con, GRAV-std, GRAV-12con to GRAV-20con
pH, EC, Silt, Clay, Ag, Au, Ba, Ca, Cd, Co, Cu, Ga, K, Li, Mg, Mo, Ni, Sr
MAG-mean, TC-8con to TC-10con, GRAV-2con to GRAV-10con
U3O8 (4), Fe (1)
Cluster 2Ce, Cr, Cs, Dy, Er, Eu, Fe, Gd, La, Nd, Pb, Pr, Sc, Sm, Tb, Th, Ti, Y, Yb, Zr
MAG-2con to MAG-8con, TC-mean, TC-std
pH, EC, Clay, Al, Au, Ba, Ca, Cd, Co, Cu, Ga, K, Li, Mg, Mn, Mo, Ni, Sr, U, Zn
MAG-mean, MAG-std, MAG-12con to MAG-18con
Au (1), U3O8 (1)
Cluster 3Sand, Eu, La, Nd, P, Pr, Rb, Sc, Th, Zr
GRAV-std, GRAV-12con to GRAV-18con
pH, EC, Silt, Clay, Ag, Au, Ba, Ca, Co, Cu, Ga, Mg, Ni, Pb, Sr
MAG-mean, MAG-8con to MAG-10con, TC-2con to TC-10con, GRAV-6con to GRAV-10con
P2O5 (3), Mo (1)
Cluster 4Sand, Ce, Cr, Cs, Dy, Eu, Fe, Gd, La, Nd, Pr, Sc, Sm, Tb, Th, Ti, Zr
MAG-2con to MAG-10con, TC-mean, TC-std
pH, EC, Silt, Clay, Al, Au, Ba, Ca, Cd, Co, Cu, Ga, K, Mg, Mn, Ni, Sr, V
MAG-12con to MAG-20con
Ag (5), Au (4) Co (1), Cu (1), P2O5 (1)
Cluster 5Sand, P, RbSilt, Clay, Co, PbAu (2), Ag (1)
Cluster 6Nd, Zn
MAG-10con
Clay, Co, Cs, Pb, Se, V
TC-mean
Au (5), Cu (3), Mn (1), P2O5 (1), U3O8 (1)
Cluster 7TC-2con to TC-6conCr, Cs, Pb
MAG-std, TC-18con to TC-20con
Au (2), Cu (1)
Cluster 8MnMAG-12con to MAG-20con, TC-2con to TC-10conCr, Cs, Rb, U
MAG-std, MAG-2con to MAG-10con, TC-12con to TC-16con
P2O5 (4), Ag (1), Fe (1), Pb (1)
Cluster 9Dy, Er, Gd, Tb, Y, Yb
TC-4con to TC-10con, GRAV-2con to GRAV-10con
Cr, Cs, Mo, Rb, Se to Ti, V
GRAV-12con to GRAV-14con
Au (4), Cu (7), Fe (1), P2O5 (1), U3O8 (4)
Cluster 10MAG-mean, MAG-std, MAG-8con to MAG-10con, GRAV-mean, GRAV-2con to GRAV-10conFe, Rb, Zn
GRAV-12con to GRAV-20con
Cu (20), U3O8 (7), Au (12), Co (3), Fe (3),
Mn (3), Ag (2), P2O5 (2), Pb (1)
Cluster 11MAG-12con to MAG-20con, TC-2con to TC-10conRb, UMAG-2con to MAG-4con, TC-std, TC-12con, GRAV-stdAg (1), Dmd (1)
Cluster 12Silt, Clay, Ag, Au, Co, Ga, Pb
TC-2con to TC-10con, GRAV-10con
Sand, La, P, Pr, Zr
TC-mean, TC-std, TC-12con to TC-16con
Au (10), Cu (1), Mn (1), Y2O3 (1)
Cluster 13MAG-mean, MAG-std, MAG-4con to MAG-10con, GRAV-2con to GRAV-10conFe, P, Ti
MAG-12con to MAG-16con, GRAV-12con to GRAV-20con
Cu (6), Au (4), REO (1)
Cluster 14pH, Silt, Clay, Ag, Al, Au, Cd, Co, Cu, Li, Mo, Pb, Se, Sr, U, V, Yb
MAG-2con to MAG-10con
Sand, Ce, Eu, Fe, La, Nd, P, Pr, Sm, Th, Ti, ZrMAG-12con to MAG-20conAu (3), Ag (2),Cu (2), P2O5 (2), Mo (1), U3O8 (1), WO3 (1), Zn (1)
Cluster 15pH, EC, Silt, Clay, Ag, Au, Ba, Cd, Co, Cu, Ga, Li, Mg, Mo, Pb, Sr, VSand, Ce, Dy, Eu, Gd, La, Nd, P, Pr, Sm, Tb, Th, Y, ZrTC-mean, TC-stdP2O5 (2), Cu (1)
Cluster 16pH, EC, Clay, Au, Ca, Cd, Cu, K, Li, Mg, Mo, Rb, Se, Sr, U, V, ZnCe, Dy, Eu, Fe, Gd, La, Nd, Pr, Sm, Tb, Th, YMAG-20conP2O5 (5), Ag (3), Au (2),
Pb (1), U3O8 (1), Zn (1)
Cluster 17pH, Clay, Ag, Al, Au, Ba, Ca, Cd, Cu, Ga, K, Li, Mg, Mn, Mo, Ni, Sr, U, V, Zn
MAG-12con to MAG-20con, TC-16con to TC-18con to TC-20con, GRAV-20con
Ce, Dy, Er, Eu, Gd, La, Nd, Pr, Sm, Tb, Th, Y, YbMAG-2con to MAG-10con, TC-mean, TC-2con, GRAV-mean
Cluster 18EC, K, U
TC-mean, TC-std, TC-12con to TC-20con, GRAV-std, GRAV-12con to GRAV-20con
TC-2con to TC-10con, GRAV-mean, GRAV-2con to GRAV-10conAu (8), U3O8 (3), Cu (2), Fe (1), Ni (1), P2O5 (1)
Cluster 19Al, K, Mn, Mo, P, Zn
MAG-12con to MAG-20con, TC-12con to TC-20con, GRAV-12con to GRAV-20con
Dy, Er, Eu, Gd, Tb, Y, Yb
MAG-2con to MAG-10con, TC-2con to TC-8con, GRAV-mean, GRAV-2con to GRAV-8con

Abbreviations for geophysical code-vectors: MAG, total magnetic intensity; GRAV, spherical cap Bouguer anomaly; TC, total count radiometrics; mean, first order mean across catchment; std, first order standard deviation across catchment; -Xcon, second order GLCM contrast at a given offset (X) in km. Abbreviations for commodities: Ag, silver; Au, gold; Co, cobalt; Cu, copper; Dmd, diamond; Fe, iron; Mn, manganese; Mo, molybdenum; Ni, nickel; Pb, lead; P2O5, phosphate; REO, rare earth oxides; U3O8, uranium; WO3, tungsten; Y2O3, yttrium; Zn, zinc.