500 
INDEX. 
Page. 
Mount  Mica,  Mc.  pegmatite  workings  at...      384 
gems  in 385 
Mountain  Creek,  Pa.,  clay  beds  along 323  332 
M<>\\ ty,  C.  \\\,  farm  of,  clay  on 341 
Muscovite,  occurrence  of K)6,  123  124 
Myers,  James,  fa  rm  of,  day  on 338 
X. 
Nantahala  Mountains,  X.  C,  mica  in 411,412 
Napoleon  shaft,  Colo.,  rocks  and  ores  cut  by.  29 
National  Sand  and  Stone  Company,  quarry 
of 374  375 
Natural  cement.    Se<  Cements. 
Nebraska,  glass  sand  in 381 
Nespelem  Bar,  Wash.,  gold  prospects  at.  62 
Nevada,  phosphates  in 450 
work  in,  on  metalliferous  ores 17  18 
Newark,  Ohio,  glass  works  at 373 
Newberry,  .J.  S.,  cited  on  gypsum  in  New 
Mexico • 260 
New  Bethlehem,  Pa.,  claj  near 337  338 
clay   near,  seci  ion  of 338 
New  Caledonia,  nickel  ores  from,analj  sesof.  123 
Newcastle.  Wyo.,  discussion  of,  as  site  tor 
Tort  land  cement  plant 232  239 
Portland  cemenl  materials  near,  'list  ri 
button  of,  map  showing 233 
shale  near,  analyses  of 234,237,238 
New-  England,  granites  of,  recent   work  on, 
paper  on 356  359 
New     England    Granite    Works,   granite   of, 
composition  of 359 
New  Hampshire,  granites  of,  work  on..      357  359 
New  Jersey,  iron  on  s  of,  work  on 22 
New  Mexico,  alum  deposit  s  in,  paper  on. .  215  223 
sum  in,  work  on 2i 
om,  J.  l'..  and  Branner,  J.  C,  cited  on 
Arkansas  phosphates.  171 .  172 
New  York,  feldspar  of 394   199 
feldspar  of,  analyses  of 396 
New  York  claim,  w  j  "  .  des  iription  of..  124  125 
Niagara  sandstones  useof  forglasssand.  364  365 
Nickel,    deposits    of,    at    Nickel    Mountain. 
1  >reg  .  paper  on 120  127 
Survey  publications  on,  list  of 129 
!  Mountaii  »logy  of  region 
near 121    122 
mining  operations  at 121 
nickel  ores  at 120  127 
origin  of 1 25  1 27 
Nickel  ores,  analyses  of 123 
occurrence  of,  in  Oregon 120  127 
Niles,  Ohio,  glass  sand  at 367,374-375 
analysis  of 376 
Xiles  Fire  Brick  Company,  farm  of, clay  on.       341 
Niobrara  limestone,  analysis  of 241 
occurrence  of 240-241 
Nordenskiold,  A.  E.,  cited  on  occurrence  of 
vanadium   in  carbonaceous  de 
posits 1 16 
North  Birmingham,  Ala.,  glass  sand  at 378 
glass  sand  at,  analysis  of 382 
quarry  at,  dolomite  from,  analysis  of. .      253 
North  Carolina,  mica  deposits  of,  character 
of 403 
Page. 
North  Carolina,  mica  deposits  of,  distribu- 
tion of 402   tG 
mica   deposits   of,  geologic   occurrence 
of 103 
mines  of 407-411 
mining  of 401,417-41? 
origin  of 418-42 
production  of 4C 
work  on 24-21 
pegmatites  in,  gems  in 407 
mica  in 400-4181 
minerals  in 407 
occurrence  of 405    LOfl 
origin  of 420  421 
rainfall  and  climate  in 103 
North  Castle.  N.  V.,  feldspar  at 398 
North  Valley  Hill,  Pa.,  wavellite  on 475 
o. 
Qbalski,  J., cited  on  occurrence  of  vanadium 
in  carbonaceous  deposits 116 
<  >hio,  glass-making  materials  in 363  363,367 
glass-making  materials  in,  analyses  of.      37(> 
glass  products  of 301    363 
glass-sand  quarries  in 362,370  375 
t  >hio  <  leological  Survey,  maps  of 307 
Ohio,    Kentucky,    and    Indiana,   glass-sand 
industry  of,  paper  on 361  376 
Ohio  mine.  Colorado,  operations,  country 
rock,  and  ore  at 29-31 
Ohio    River   formation,    use   of,    tor  glass 
sand 300,30<( 
I  >hio  Stone, Cemenl  and  Consl  ruction  ( lom 
pany,  quarries  of 371  372 
•  mi  test^  of  fuller's  earth  and  other  mate- 
rials, tables  showing  273-27S 
Ojo  del   Espiritu  3anto,   N.   Mex.,  geologic 
section  near 264 
II  K    tunnels,  Colorado,  operations  al 30 
Olivine,  analysis  of 120 
Oklahoma,  copper  deposits  in.  reference  t ,,  101 
Omaha  incline,  Wyo.,  copper  ores  in 105 
•  toltewah,  Tenn.,  paint  ore  at .  analysis  of         133 
ore  Hank  station.   Pa.,  shale  al 337 
Orcutt,  Cal.,  diatomaceous  earth  at 444 
nickel  ores  in 120  127 
work  in,  on  metalliferous  ores IX 
<  Mta  wa.  [11.,  quarry  methods  at 370 
<  )st  wald, ,  cited  on  colloids 280 
<  >wensborq,  glass  works  at 363 
I  ixmoor  sandstone,  use  of,  for  glass  sand  .  .  377 
P. 
Pahasapa  limestone,  analysis  of 235  236 
occurrence  of 235  236 
Paints,  mineral,  papers  on 430   137 
use  of  hematite  in 430  434 
Paper  making,  use  of  clay  for 333 
lark  View  mine,  Colo.,  operations  and  ores 
at 27 
Pectoids,  definition  of 280 
presence  of.  in  fuller's  earth 280-282 
properties  of 281-282 
Pegmatites,  composition  and  character  of. .      383. 
385-386,394,405  406,422 
