6 CONTENTS. 
Page. 
The ores of the lodes— Continued. 
Structure of the lode ores . . . . . c 7 
Megascopical structures .. . 87 
Microscopical features . - . _ . . 92 
Areal distribution of the lode ores ... . _. . 94 
Distribution of the ores with n the lodes 96 
Relation of ores to kind of country rock 101 
Secondary alteration of the lode ores ... 101 
Origin of the lode ores ..... 102 
Value of the lode ores .. .. 102 
The stocks or masses 103 
Definition and general description _. 103 
Distribution . . .._ ._ 104 
Origin of the spaces now filled with ore . _ _ _ . 104 
Character and structure of the ore _ 109 
Changes in the ore with depth _ Ill 
Value of the ores _ . .. . . . . -. 112 
Mineral waters associated with the ore deposits .. . . 113 
Metamorphism of the country rock in connection with ore deposition 114 
Paragenesis of the lode and stock ores 131 
Origin of the lode and stock ores 132 
Tl: e ground water . ....... .... 141 
Replacement deposits. 141 
Miscellaneous mineral resources . 143 
Part II. Detailed Descriptions of Special Areas and Individual 
Mines. 
Introduction . . 145 
Lodes of Silver Lake Basin. . ...... 145 
General features ... 145 
Silver Lake mine . 149 
Iowa mine 157 
Royal Tiger mine . . 159 
Buckeye mine _ . 160 
Titusville mine . _. _ 161 
Lodes of Hazelton Mountain 161 
General ... 161 
Aspen mine . . .... 161 
North Star ( King Solomon ) group of lodes ... . . 163 
General ... 163 
North Star (King Solomon) mine . 163 
Dives mine 165 
Mountaineer and Lookout mines 166 
Big Giant lode and others 166 
Little Giant lode 167 
Lodes of Cunningham Gulch 167 
General 167 
Highland Mary mine . . . 167 
Green Mountain mine 168 
Pride of the West mine 169 
Philadelphia mine 170 
Other lodes 170 
