60 The American Geologist. January, mn 
The Carpintero group, distant twenty kilometers cast of San- 
tiago de Cuba, and six kilometers from the sea, contains the 
mines Yuca, Grande. Pequefla, Carpintero, Ynquita. Reforma, 
Polux, ( 'astor. 
Analyses of these ores give: 
1 2 
Fe 61.00 68.50 
Si 2 5.00 10.50 
P 0.009 0.036 
S 0.045 0.148 
Moisture 0.000 0.000 (?) 
This group is found 750 feet above the level of the sea. 
The cost of mining is as follows: 
Per ton. 
Mining and placing on cars 8 .95 
Transportation to ship 65 
Transportation by sea 1 . 65 
Duties in the U. S 75 
Other charges 15 
Total cost 84. 15 
Profit per ton $1.70 
The Juragua group consists of the Abundaneia, Union, Su- 
burense, Perseverancia, Jupiter, Firmeza, Vulcano, Resolucion, 
Fomento, America, Constancia, Empresa. Concordia. The 
mining of these ores is by open cut. 
Analysis. 
p. c. 
Si O, 1.90 
C0 2 0.98 
Fe 2 3 95.15 
Al 2 3 0.55 
CaO.. 0.67 
MgO 0.15 
Md 2 :) 0.50 
S ... 0.07 
TiO- 2 . 0.03 
Organic matter 0.00 (?) 
This company has exported from 1884 to 1892. 1,806,505 
tons. 
The group Magdalena, or Lolas, consists of Lola, Lola 2. Bar- 
celona, Resurrexit, San Antonio. 
The Providencia group consists of San Rafael. La Llave, 
La Cerradura, Sta Rosa. Alfredo. Alberto, Norte. 
