GRADE AND TONNAGE MODEL OF PORPHYRY Cu-Au

By Donald A. Singer and Dennis P. Cox

COMMENTS See figs. 78-81.

Figure 78. Tonnages of porphyry Cu-Au deposits.

fig 78

Figure 79. Copper grades of porphyry Cu-Au deposits.

fig 79

Figure 80. Gold grades of porphyry Cu-Au deposits.

fig 80

Figure 81. By-product grades of porphyry Cu-Au deposits. A, Silver. B, Molybdenum.

fig 81

DEPOSITS

Name Country

Afton CNBC

Amacan PLPN

Atlas Lutopan PLPN

Basay PLPN

Bell Copper CNBC

Boneng Lobo PLPN

Cariboo Bell CNBC

Copper Mountain CNBC

Cubuagan PLPN

Dizon PLPN

Dos Pobres USAZ

Fish Lake CNBC

Frieda River PPNG

Galore Creek CNBC

Hinobaan PLPN

Ingerbelle CNBC

Kennon PLPN

La Alumbrera AGTN

Lorraine CNBC

Lumbay PLPN

Mamut MDGS

Mapula PLPN

Marcopper PLPN

Marian PLPN

Mountain Mines PLPN

Ok Tedi PPNG

Panguana PPNG

Red Chris CNBC

Rio Vivi PTRC

Saindak South PKTN

San Antonio PLPN

San Fabian PLPN

Santo Nino PLPN

Santo Tomas PLPN

Star Mt.-Fubilan PPNG

Star Mt.-Futik PPNG

Tanama PTRC

Tawi-Tawi PLPN

Taysan PLPN

Toledo PLPN