LIST OF DIAGRAMS

FG,
I. Diagram of a lode
2. A wavy lode .
3. A ladder lode |
4 Acontralode |.
5. A saddle lode |
6. A false-saddle lode .
7. Early theories of ore genesis
8, The Zones of the earth’s crust . .
9. 4 lode with copper above and tin below
fo. Secondary enrichment , . .
II. Distribution of gold nuggets .
I2. Magnified section of an Indicator . . .
13. The Associated Northern ore-body, Kalgoorlie
I+. The Great Boulder lode, Kalgoorlie
I5. Section near the Dome mine, Ontario . v .
6. Section across the Mount Morgan mine, Queensland
I7. A high-level deep lead . .
I8, Section across a deep lead . “
19. Section across the Rand goldfield, . v
20. Section of Banket from the Main Reef Leader
21. Sericite schist interbedded with Banket ;
22. \ pyritic pebble from the Banket . .
23. The platinum placers of the Is River, Russia
24. latinum in pyroxenite . .
25. Distribution of tin ores . + ; . .
26. Section across the Mount Bischoff mine, Tasmania .
27. Relation of the width of granite to the richness of tin placers
28. The Braden copper mine, Chile , . ’ 3
29. An ore-body in slate at the El Tinto mine, Spain .
30. The North Lyell lode, Tasmania . .
31. The Anaconda copper lode, Montana,
‘2, The mining field of Leadville, Colorado
3. The Louemma vein, Leadville
4. Lead and zinc ores of Missouri .
:5. Nickel sulphide ore of Sudbury
36. The Victoria mine near Sudbury |,
37. The Idria mercury mines y
38. Section across the Idria mercury field
30. Distribution of mercury deposits ,
10. Hematite ore hodies of Cumberland
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