UKDQBKN.] MINES ON WILLOW AND ROCK CREEKS. 717 



grade ore. A tunnel is located on the eastern extension, 900 feet east 

 of the incline. It is claimed that several ore bodies occur between 

 the incline and the shaft. The vein is one of the longest in the dis- 

 trict, being traceable for at least 2,000 feet. 



The Zena, Stella, and Ella claims are located 600 feet south of the 

 IXL, about in the continuation of the Birthday and Silver Wreath, on 

 the Willow Creek side, and are opened by several short tunnels. The 

 Zena shows a well-defined fissure with a dike of diorite-porphyrite 

 5 feet wide in the hanging. The ore consists of narrow streaks of 

 blende, pyrite, and arsenopyrite in an altered and pyritous granite. 

 The ore appears fresh near the surface, in contrast to the decomposed 

 ledge matter of the IXL and the Alexander. 



A number of veins are located along Rock Creek. The Black Crook 

 lies ITJ- miles northeast of Crown Point Hill, and is opened by a drift 

 on the vein 140 feet long. The vein strikes N. 62 E. and has a maxi- 

 mum width of 8 feet. It has diorite-porphyrite in the hanging wall 

 and granitic graiiite-diorite in the foot wall. The gangue is a grayish 

 quartz and a pink calcite colored by manganese. The ore body was 

 reported to be large but of low grade. Some assays show a relatively 

 large amount of silver in the ore. The Vein is reported to be traceable 

 for a long distance eastward. 



The Blue Bucket lies 1,500 feet farther down the creek, at an eleva- 

 tion of 3,500 feet, in diorite and dioritic granite. Some very rich ore 

 is said to have been taken from it, but the claim was not worked 

 during the examination of the district. 



East of Rock Creek lie a large number of claims, on most of which 

 but little work had been done in 1896. Among them is the Anticlinal, 

 under the Liberty Cap Hill, and the Lambertine, Bobtail, and Mint 

 claims, three-fourths of a mile east of Rock Creek. On the Bobtail 

 claim a tunnel 200 feet in length has been run, cutting an 8-foot vein 

 of good ore. 



Many claims are also located on the ridge between Shafer Creek 

 and the Payette River. There appear to be two principal lines of 

 deposits. One begins one-half mile southwest of Horseshoe Bend 

 post-office, where the granite emerges from the Payette lake beds and 

 continues in a west-southwest direction up to the summit of the ridge. 

 Among the claims located along this line are the Sunny Side and the 

 Ballentyne, both on the same vein. The vein dips 70 to 80 S. and 

 is about 2 feet wide. The vein matter is soft and decomposed, carry- 

 ing free gold and some lead carbonate. The country rock is granite, 

 but in the foot wall lies a dike of quartz-diorite-porphyrite a few feet 

 wide. Another vein lies a short distance southward. A large num- 

 ber of prospects are found on the steep river hill toward the Payette, 

 about one-fourth mile north of the Ballentyne and opposite McFar- 

 land's ranch on the river. The following claims are located on this 

 vein system, from east to west: Mammoth, Apex, Atlanta, Claggett, 

 Topeka, Kentuck. These are at an elevation of about 1,000 feet above 



