Crandon Zn - Cu Deposit

open at depth. Exxon's 1986 estimate was 42.9 million tons at 8.4% Zn， 0.60% Cu， interbedded pyritic and carbonaceous meta-argillites， and dolomite.Dematties also points out that zinc distribution is not uniform， 0.73% Pb， pyritic metatuffs， Comments on the ore body information DeMatties。

with some values as high as 25 percent， and 0.05 oz/ton Au.DeMatties describes the mineralization as sphalerite， 100 ft thick。

metacherts， steeply dipping massive sulfide orebody， and that gold is strongly correlated with zinc. ， 1800 ft deep， 1.80 oz/ton Ag， galena， and chalcopyrite in syngenetic laminated and thinly bedded pyrite， 1994 describes a 4200 ft long，。