GRADE AND TONNAGE MODEL OF Cu SKARN DEPOSITS

By Gail M. Jones and W. David Menzie

COMMENTS Data used in this model were restricted to copper skarns associated with barren stocks as recommended by Einaudi and others (1981). Some of the data are from districts. See figs. 58-60

Figure 58. Tonnages of Cu skarn deposits.

Figure 59. Copper grades of Cu skarn deposits.

Figure 60. Precious metal grades of Cu skarn deposits. A, Silver. B, Gold.

DEPOSITS

Name Country

Agordo-Brosso ITLY

Arctic Chief CNYT

B. C. CNBC

Benson Lake CNBC

Best Chance CNYT

Black Cub CNYT

Blue Grouse CNBC

Bluestone USNV

Caledonia CNBC

Cassius HATI

Casting USNV

Cerro de Cobre CLBA

Chalcobamba PERU

Coast Copper CNBC

Cobriza PERU

Concepcion Del Oro MXCO

Copper Queen CNBC

Cornell CNBC

Cowley Creek CNYT

Douglas Hill USNV

Gem CNYT

Hiragane JAPN

Hope CNBC

Iide JAPN

Indian Chief CNBC

Kamaishi JAPN

Kedbeg Copper URRS

Keewenaw CNYT

Kodiak Cub CNYT

Lily (Ikeno) CNBC

Little Chief CNYT

Lucky Four CNBC

Loei-Chiengkarn THLD

Ludwig USNV

Mackey USID

Malko Trnova BULG

Marble Bay CNBC

Mason Valley-Malachite USNV

McConnell USNV

Meme HATI

Mina El Sapo CLBA

Mina Vieja CLBA

Mother Lode-Sunset CNBC

Obira JAPN

Oregon CNBC

Oro Denoro (Ema) CNBC

Phoenix CNBC

Queen Victoria (Swift) CNBC

Rosita NCRG

San Pedro USNM

Sasca Montana RMNA

Sasagatani JAPN

Snowshoe USNM

Strandzha BULG

Tasu-Wesfrob CNBC

Tintaya PERU

Traversella ITLY

Tsumo JAPN

Vananda CNBC

War Eagle CNYT

Western Nevada USNV

Wexford CNBC

Yreka CNBC

Zip CNBC