LINDGREN.] 



QUARTZBURG-GRIMES PASS GOLD BELT. 



693 



breast of the tunnel. The valuable part consists of 2 feet of decom- 

 posed granite with seams 3 to 5 inches wide of pyrite. This contains 

 considerable free gold, some of which appears to be in the decomposed 

 wall rock. Outside of the principal shoot there are many streaks of 

 iron pyrite, which do not contain any free gold. 



The Kennebec claim. This property, situated one-half mile from 

 the Carroll, yielded some very rich ground for sluicing. Of the vein 

 but little is definitely known. 



Veins at head of Wolf Creek. From the Iowa a string of claims 

 extends through the Carroll and Kennebec and then farther through 

 the Black Bear, Mountain Queen, and others up toward a high, promi- 

 nent point on the divide. All these claims lie in granite, though 

 occasional dikes cut the principal rocks; the main belt of porphyry 

 lies a little to the south. On none of them has much work been 

 done. The Black Bear lies at an ele- 

 vation of 5,000 feet a short distance 

 to the west of the pass between Pla- 

 cerville and Garden Valley. The 

 strike is N. 70 E., and the dip 50 

 to the south. The vein is a well- 

 defined fissure with a pay streak of 

 good ore 4 to 5 feet wide, which has 

 been followed down for 40 feet. The 

 ore is free-milling, at present at least, 

 and contains a little galena. North- 

 east of the pass lie a number of more 

 or less prominent veins. The Gold 

 Dollar is a perpendicular vein, the 

 ore of which carries no free gold, and 

 it is said to run from $2 to $20 per 

 ton. Near by lies another vein, with 

 flatter dip of from 20 to 40, carry- 

 ing some free gold. The Monumental 

 and Mountain Queen are on a nearly vertical, heavy vein striking N. 

 81 E. It has no distinct walls, but consists of streaks of quartz and 

 heavy iron pyrite in decomposed granite cut by some porphyry dikes. 

 The Etna, lying a short distance southwest of the pass, is said to 

 consist of a streak in porphyry impregnated with auriferous seams 

 and pyrite. 



Veins in the porphyry dike east of Wolf Creek. On the summit 1 

 mile east of the pass is the Golden Chariot, at an elevation of 5,300 

 feet. The wide dike of quartz - hornblende - porphyrite forms the 

 country rock. In the tunnel the vein appears as a vertical streak, 

 2 feet wide, of brown decomposed rock, said to assay well. A similar 

 deposit, called the Buena Vista, lies a little to the south. Half a mile 

 eastward are the Big Six and the Mineral Hill group of claims, in 



mmm 



FIG. 64. Breast of drift, Carroll veins. To 

 the left, 2 feet of altered granite with 

 rich seams of massive pyrite; to the 

 right, 3 feet of altered granite with 

 poorer seams of quartz and pyrite. 



