358 



CENTRAL MINERAL REGION OF TEXAS. 



10. Three miles southeast of Camp San Saba, McCulloch County. 



11. Twelve and one-half miles from Mason, on road to Camp San Saba, two miles north- 

 west of Katemcy, Mason County. 



12. Caylor's diggings, Mason County. 



13. West of Christian Schneider's house, near Castell, Llano County. 



14. Near Castell, Llano County. 



15. North of east of Castell, Llano County. 



16. Silver Mine Hollow, Llano County. 

 1*7. Iron Creek, GTillespie County. 



18. Three miles southeast of Camp San Saba, McCulloch County. 



19. Gillespie County. 



20. G-illespie County. 



21. Gillespie County. 



22. Gillespie County. 



23. Gillespie County. 



24. Gillespie County. 



It 1 

 2* 



3fi, 



5f.: 



6*. 



n 1 



9*1 3^ 



lot 1 



llf 1 



12f 



13* 1 4 



14f! 



15* 4 



16* 14 5 6 



IT* 1 (J)... 

 18* 



19* 3 (J)... 

 20* 1 (J) . . 

 21* 3 (J)... 

 22* 3 (J)... 

 23* 3 (J).. 

 24* (J)... 



89. TO 

 78.03 

 T9.09 

 T6.93 

 82.61 

 TT.35 

 8T.2 

 85.68 

 24.73 

 79.47 

 86.58 

 88.48 

 44.86 

 86.22 

 42.07 

 6.18 

 91.4 

 21.19 

 79.56 

 91.41 

 53.85 

 34.88 

 41.31 

 84.15 



2.13 



3.50 



2.65 



5.30 



9.75 



10.20 



6.03 



12.60 



69.50 



13.84 



2.67 



4.11 



47 88 



8.51 



47.70 



65.31 



1.90 



46.80 



10.80 



1.90 



27.00 



54.80 



36.20 



8.90 



17 



11 



14 



50 



5 



90 



9.65 



1.12 



2.85 

 4.62 



5.82 

 4.14 

 2.45 

 6.53 

 12.43 

 1 . 33(?) 



3.04 



1.33(?) 



4.15 



5.32 



9.09 



4.25 



Trace 

 Trace 

 3.05 

 3.46 

 1.60 

 0.53 



Trace 

 1.48 

 0.55 



0.40 

 Trace 

 Trace 

 1.24 

 1.42 

 1.73 



4.45 

 1.73 

 8.80 

 Trace 

 3.45 

 2.14 



Trace 



Trace 

 Trace 



Trace 

 Trace 

 Trace 



Trace 

 Trace 

 Trace 

 Trace 

 0.54 

 Trace 



0.04 

 Trace 

 0.T5 

 0.41 

 1.51 

 Trace 



•p 



Ph 



Trace 

 0.54 



7.16 



Trace 

 Trace 

 Trace 

 0.86 

 Trace 

 2.21 



Trace 

 Trace 

 Trace 

 0.86 

 .09 



0.26 

 0.09 

 Trace 

 Trace 

 0.24 

 0.70 



%2 



Trace 

 0.85 

 Trace 

 0.22 



0.24 

 Trace 

 0.16 

 Trace 

 Trace 

 Trace 

 0.43 



0.12 



0.24 



0.41 



.12 



0.24 

 0.12 

 Trace 

 0.12 

 0.03 

 0.42 



100.23 

 100.09 

 100.41 

 100.63 

 100.10 

 99.97 



100.03 



100.54 



99.84 



99.24 

 99.39 

 99.95 

 99.58 

 100.02 

 100.00 



99.11 



100.00 

 99.75 

 100.31 

 100.37 

 100.56 



62.79 

 54.62 

 55.36 

 53.85 

 57.83 

 54.16 

 61.04 

 59.98 

 17.31 

 55.63 

 60.61 

 61.94 

 31.40 

 60.35 

 29.45 

 4.33 

 63.98 



55.69 

 63.99 

 37.70 

 24.42 

 28.92 

 58.91 



* Analysis by J. H. Herndon. t Analysis by L. Magnenat. 



1 Ferrous Oxide— No. 1, 4.20; No. 3, 1.12; No. 4, 1.67; No. 7, 3.22; No. 9, 1.12; No. 10, 2.36; No. 11, 1.40; No. 13, 

 trace; No. 14, 2.65; No. 16, 3.31; No. 17, 3.42; No. 20, 3.42. 



2 Manganic Oxide— No. 8, 0.47. 



3 Manganese Dioxide— No. 9, trace; No. 19, 0.57; No. 21, 5.20; No. 22, 4.78; No, 23, 8.54. 



4 Loss by ignition— No. 6, 2; No. 13, 2.10; No. 15, 1.8; No. 16, 0.80. 



5 Soda— No. 16, 4.05. 



6 Potassa— No. 16, 4.71. 



(J) Collected by G. Jermy. 



