Metallogenesis and Tectonics of the Russian Far East, Alaska, and ...

Figure 49 Generaltzed map Of mbjm Lab &as$& b * * ~ ~ ( b r ~ t . d * c m ~ m - ~ a - ~ ~
ofhhon m. b m Ibr dac- d -. khptd mkldmrg and ahrS(MWb, W). Ww l*
3 for explanation
the Wrangellia island-arc supertem. 'I&k bdl is &*dd a h thp &&IU =-*.&* la
the below descriptions of metallogsaio bdm, II hv d & a 6- kda (et%)m.M-M - .+- .,., bsh. .
Metallogenic-Tectonic Model for
Late Jurassic (163 to 144 Ma; Figur, !Bj
hrbg the Latc Jarnssic (Oxfpr6r~ hhtoryb -; 1 E4 lo 1 4 e}, the
were (fig. 50; table 3): ( 1 ) ~ a f ~ c r C ~ ~ ~ ~ h N
fomtion of associated mstrllogak kk wqmb -rrrw amd
arc re3d assachd tmme.9 edo Lbe Nost4-h hhn B+#!u$ @ (3)
obductbw of tbe ~ L - ~
previous long-lid pcrmd (Late Pmteroeok hugb Early J d c ) ctfpoaaive sdmenMth on &c H&& A9ibsrdM
American Cratons
- -
4 I
Specific Events Lslr J u m
Forming in the arc wem the T--M (TAM) klt of podlfm CT whU ie bid haone
plutons, and the AaaiRif3 (MI beh afhnroko massive suW depab. Tbtl- Ihbd to UIC wadaccretionary-wedge
tmme (AV) *& h t d km ruWucLim ofpaff of- mxuic
t ':
subduction zone m m ~w~ toward the Kcmy-Mu@ iald art.
(2) The Modin rn (Madin vvl~ic-pblonic MI, nM) hnb the U&km arc ( U m B m - m V-W& .
belt, uo and associated units) coslinud acdvicy. F a in Ihp mc mr t& No& Bmym (MI) rnehlbgmk Wt, w&& wmtisw
subduction-related ~ c - depouil$. m A s w~ W ~f~ ~ of& ares w& &tbtW@fw bf.
. .
I ? . ..