GRADE AND TONNAGE MODEL OF W SKARN DEPOSITS

By W. David Menzie and Gail M. Jones

COMMENTS All mines associated with the contact zone of a particular intrusive with a favorable host rock were combined to form a single deposit. In the absence of detailed geologic information, mines within 10 km of each other were combined. See figs. 32, 33.

Figure 32. Tonnages of W skarn deposits.

Figure 33. Tungsten grades of W skarn deposits.

DEPOSITS

Name Country

Bailey CNYT

Brejui BRZL

Cab CNYT

Calvert (Red Button) USMT

Cantung CNNT

Dublin Gulch (GSZ) CNYT

Emerald-Dodger CNBC

Iron Mountain USNM

King Island AUTS

Lost Creek USMT

Lucky Mike CNBC

Mactung CNNT

Maykhura URTD

Milford area USUT

Nevada-Massachusetts USNV

Nevada-Scheelite USNV

Osgood Range USNV

Pine Creek USCA

Quixaba BRZL

Ray Gulch CNYT

Sang Dong SKOR

Stormy Group CNYT

Tem Piute district USNV

Tyrny-Auz URRS

Uludag TRKY

Victory CNBC

Yellow Pine district USID

Ysxjoberg SWDN