OF ARKANSAS. 159 
in determining the amount of iron and silver, compare “ methods of 
analysis,” below. 
A—GALENA FROM MARION COUNTY. 
No. 11. Galena, from Wood’s mine, section 13, township 19 north, range 
17 west, west branch of George creek: 
Occurs in the dolomite No. 34. Is pure sulphuret of lead without any 
impurity but a trace of silver. The lead, smelted from the ore, contains 
0.00624 per cent. of silver, equal to 1.67 ounces of silver in the ton of 
galena (1 ton=2,000 ibs). 
No. 12. Galena, from the New York company’s diggings: 
Is pure sulphuret of lead, with a little sulphuret of iron, corresponding 
to 0.103 per cent. of metallic iron. The lead, smelted from the ore, con- 
tains 0.01066 per cent. of silver, equal to 2.88 ounces of silver in the ton 
of galena. 
No. 13. Galena, from Molton’s diggings, one mile above the fork of 
Jemmy’s creek: 
Is pure sulphuret of lead with a little sulphuret of iron, corresponding 
to 0.16 percent. of metalliciron. The lead, smelted from the ore, contains 
0.00294 per cent. of silver, equal to 0.784 ounces of silver in the ton of 
galena. 
No. 14. Galena, from Seawell’s diggings: 
Is pure sulphuret of lead, without any impurities but a small quantity 
of silver. The lead, smelted from the ore, contains 0.14014 per cent. of 
silver, equal to 37.44 ounces of silver in the ton of galena. 
No. 15. Galena, from Hudson’s diggings: 
Is pure sulphuret of lead with only traces of iron andsilver. The lead, 
smelted from the ore, contains 0.00746 per cent. of silver, equal to 2 
ounces of silver in the ton of galena. 
No. 16. Galena, from McCarty’s diggings: 
Is pure sulphuret of lead, without any impurities but a trace of silver. 
The lead, smelted from the ore, contains 0.00825 per cent. of silver, equal 
to 2.25 ounces of silver in the ton of galena. 
No. 17. Galena, from Jemmy’s creek diggings, near the forks: 
Is pure sulphuret of lead, with a little sulphuret of iron, corresponding 
to 0.1 per cent. of metallic iron, and a trace of silver. The lead, smelted 
