Alaska sentinel., 1905-05-25
WRANGELL MINING DISTRICT.
[From Mineral Resourees of Alagka, mol

From Mineral Resources of Alaska 19Oi1
 This mining extends along the mainland from Cape Fan Bradel Canal Kuu Kupreanof Mtko bo Wrange other smaller islands Prospect ing in this section has been and at only locality the oym development and production of gold
 DUNCAN CANA1-on the west side Woewod bic Mining Company embracing some 6O claims Operations have S @ o g0 ca amd be Helen % at the upper or smiths camp The country which is probably exrusye and which less schoe The main cleavage planes strike north south dip deg The mineral deposits quartz lodges from b feet in width which apparently i'll pecoaea zones m the green vertical Large of the included in these ledg near the main ledge Portions of the ges network M s9sS to no @ 6 a % m 62 pGd m ona4 well as in the greensboro Practically none ot the ore free milling The explorations and developments 1900 feet shaft sinking arqeutng and drifting On the surface besides the hafthouse gebui 20 stamp m compressor plant run by WaterpoWe and bearing lodges which present receiving attention also the country rock which has been ntruded
 Near the north end the east the west slope the claims Here wedefned ledges striking northeast direction
 have m es %p % @ p1 & GPd T s % nls svsem T e in the main chopyre and pyrie often accompanied by
 of the is another group of locations what supposed be continuation of of the
 third prospect located miles qP the creek I @ ring the north which the eri and along which concentration of the mineral vobe assay are reported Explorations on this property
 
 mined.
 somewhat presence god-bearng quartz the intrusive granite Woronkosk Island These situated the north end of the island point called the Elephants and have been located the Exchange Group claims The lodges later than the granite and in them ncu ons of granite altered and mpegnaed with mineral Two lodges 2 in width have been opened by tunnels and and from these fair gold reported These properties have remained idle for the last on the mainland Wang md miles tide The mineral deposits all found the ist adjacent the Range intrusive belt the Their trend northward and the dip northeast Narrow gram belts and porphyri dke probably ohoots the main belt ntersect this cht series very obque angles and probably have lad considerable influence the deposition the In the niy the porphyry dkes along lodges the formation The principal deposit Glacier basin found be- porphyy dkes striking 30 deg w. anddppng northeast angle 45deg Two tunnels 50 feet in length the body which about 20 feet in width. The principal mineral cenaed along the foot wall The reported carry values silver, lead and copper
 On the Magey claims below the deposits essential gaena occurring in sngers foot to feet in width which follow definite parallel system been opened elevation 1900 above level by tunnel 10 feet length Farther northeast the claim open exposing 2oo ledge which gaena which has been traced several hundred feet strike this ported be high in silver and gold well lead The gaena phaee chacopyrte silver cerruss and lonte
 The Ground Hog basin claims, miles north of the Margery clam have been developed and show favorable assay returns The ledge feet in width and like the lodges of Glacier basin.
 BRADFIELD CANA1On Ham Isand the north entrance Bradfeld Canal is deposit bue coarsely crystalline marble This avoraby situated and the marble good quality containing few onng cracks The exposure high 100 Tests of this rock have been made and reported be suitable for