294 FANNING AND EDDINGFIELD. 
The distribution of weights and values are shown in Tables 
VIII and IX. 
TABLE VIIJI.—First screen test. Lot No. 1. 
Assay | Gold distributed in 
Screen. Weight. | Weight. | per ton. | one tonof original. 
Mesh. Grams. | Per cent.| Pesos. \Percent.2| Pesos. 
309.9 10. 09 446, 40 30. 10 44.80 
447.7 14. 52 366. 50 35. 80 53.20 
CU ee ease 394.9 12. 94 161.30 14.00 20. 80 
C0 ee asa eae eee 317.5 10.34 95.30 6. 60 9.80 
{ae se emeacceeo nse 437, 2 14. 28 62.80 5.93 8.90 
100 Does eee eee ae oe 407.3 18. 32 37. 60 3.45 5.20 
50 eee a een eae ees 451.9 14.71 14. 50 1.40 2.10 
(10 eee eet ee ena! 301.6 9.80 41.30 2.72 4.10 
Motali-2o-2h- ees ae 3, 065. 0 100. 00 |---------_ 100. 00 | 148. 90 
® Based on gold accounted for rather than heads assays, owing to the great variation in 
such assays. 
TABLE IX.—Second screen test. Lot No. 1. 
. - Assay, | Gold distributed in 
Screen. Weight. | Weight. per ton. | one ton of original. 
Mesh. Grams. | Per cent.| Pesos. | Per cent.| Pesos. 
327 9. 62 590. 80 43.00 56. 40 
450 13.16 244.10 24. 40 32. 10 
432 12, 64 103. 40 10. 05 13.20 
377 11.02 69. 80 5. 87 7.70 
455 13. 32 69. 80 7.08 9.30 
459 13. 47 41.40 4.03 5.30 
512 15. 02 17.00 1.90 2.50 
405 11. 82 40.10 3. 67 4.80 
38, 417 100.00 |_--------_ 100.00 | 131.30 
The two screen tests were made on widely separated splits 
and show very similar features, although varying in the actual 
assays of the various products. As can be seen from these 
two tables the weights on each screen are fairly equal, but the 
coarse meshes are by far the richer. In the first screen test 
the 10-mesh product assayed 446.40 pesos per ton, and the 
other mesh products decreased in value down to 150-mesh. The 
150-mesh product assayed only 14.46 pesos per ton and marks 
the approximate position where the values begin to ascend. An 
interesting feature of these tests is that the gold distributed in 
the 10- and 20-mesh products is more than double the gold in all 
the other meshes. combined. The values are plotted in text 
figures 1, 2, and 3. Fig. 1 shows the curve for the assays per 
