INDEX. 
133 
Page* 
Mines, tin, descriptions of 46-52 
Mining, beginning ^of 31 
conclusions concerning 57, 111-112 
cost of 56-57, 76-77 
history of 32-34 
methods of 52, 75-76 
Mitchell place, prospects on 108-109 
Molybdenite, occurrence of 63, 64 
Monazite, occurrence of 116-118 
Monroe, S. C, gold near 29 
gold near, figure showing I 29 
rocks near 23, 29 
Monroe beds, age of 31 
description of 23-24, 29 
gold in, figure showing 29 
Monroe County, rocks in 23 
Montgomery County, N. C.,gold in 110 
gold in, discovery of 58 
Moore County, N. C, gold in 110 
Morton, F. H., property of, manganese on. 116 
Mose Mountain, veins in 109 
N. 
Nagyagite, occurrence of 63 
Nannies Mountain, corundum on 118 
iron on 114,115 
rocks of 18,28 
New South Wales, tin of 42 
Nitze, H. B. C, on age of rocks 30 
on Haile mine 78-79 
on manganese 116 
Nitze and Wilkens, on gold ores 92 
North Carolina, geologic work in 10 
Nott mine, description of 105 
minerals in 112 
Nott property, developments on 109 
Nuggets, discovery of 73,74 
O. 
Ophir Gold Mining Co., property of 103 
Ophir mine, ores of 99 
Ore deposits, age of 29 
Ormond iron mine, description of 115-116 
Oxidation, effects of 25-26 
P. 
Parker property, vein on 109 
Paysour Mountain, rocks of 18 
Pegmatite dikes, description of 20-22,35-40 
distribution of 34-35 
map showing 35 
extraction of tin from 53-54 
figure showing 40 
metamorphism by 25 
structure of 35-37 
sections of, figures showing 47,50,51 
tin in 42-43, 57 
distribution of 40-41,57 
figure showing 40 
view of 42 
varieties of 21,37-38 
view of 42 
See also Microcline pegmatite; Giant 
granite. 
Peneplain, development of 11-12 
influence of, on drainage 13 
Perry place, corundum on 118 
Page. 
Phelps, Dodge & Co., development by 33 
Phosphates. See Monazite. 
Piedmont Mining and Development Co., de- 
delopment by _ 92 
Piedmont Plateau, character of 11 
Piedmont Tin Mining Co., development by. . 52 
Placer tin, occurrence of 48, 52, 57 
source of 44-45 
Porphyry, age of 31 
description of 22-23 
Preacher Cut mine, description of 125 
geology of 120, 121, 125 
veins in 123 
Prospects, gold, descriptions of 108-109 
See also Mines. 
Purpurite, analysis of 39 
description of 38-39 
occurrence of 38, 49 
Pyrite, description of 64 
occurrence of 62, 116 
Pyrophyllite, occurrence of 62 
Pyrrhotite, description of 64 
occurrence of 62 
Q. 
Quartz, description of 63 
metamorphism of 39-40 
minerals in 43 
occurrence of 62 
See also Fissure veins. 
Quartz-biotite schist, description of 19 
Quartz schist, description of 17-18 
Quartz-sericite schist, analyses of 79 
description of 15-16, 18 
R. 
Randolph County, N. C, gold in 110 
Regional metamorphism, effects of 24 
Relief, description of 11 
development of 11-12 
Replacement deposits, description of 60-61,65 
Rickard & Hewitt, development by 118 
Rocks, age of 29-31 
classes of 14 
descriptions of 14-26 
succession of 27 
See also Sedimentary rocks; Metamor- 
phic rocks; Igneous rocks; Vol- 
canic rocks; Stratigraphy, etc. 
Rosa Arrowwood mine, description of 108 
Ross, S. S., development by 49 
on mining costs 56 
tin found by 34 
Ross tin mine, costs at 56 
description of 49-50 
developments at 49 
dike in, section of, figure showing 50 
discovery of 34 
extraction of tin at 54 
geology of 21, 43, 49-50 
figure showing. 50 
ore of, tenor of 54-55 
production of 54 
profits at 57 
Ross & Carroll, mine of, description of 106 
Rowan County, N. C, gold in 110 
Rudisill, A. R., work of 33-34,46,51 
Rutile, occurrence of 62,64 
