858  INDEX    TO    PUBLICATIONS    OF    U.    S.    GEOL.    SURVEY,     [bull.  177. 
Zinc-oxide  clinkers  from  furnaces,  analyses  of,  from  New  Jersey MR  1885,  p  338 
(See,  also,  Zinc  white. ) 
Zinc  residuum  from  furnace,  analysis  of,  from  New  Jersey,  Hudson  County MR 
1885, p  339 
Zinc  sulphide,  solubility  of Mon  xiii,  pp  434,  474 
Zinc  white,  statistics  of MR  1882,  p  xm;  MR  1883-84,  p  921;  MR  1885, 
p  524;  MR  1886,  pp  10,  704;  MR  1887,  pp  6,  8,  9,  675;  MR 
1888,  pp  94,  617;  MR  1889-90,  pp  6,  88,  90;  MR  1891,  p  115; 
MR  1892,  pp  5,  132,  134;  MR  1893,  pp  6,  104,  106,  759;  Ann 
16,  in,  pp  11,  379,  380;  Ann  17,  in,  pp  11,  168;  Ann  18,  v 
cont,  pp  1336,  1337;  Ann  19,  vi,  pp  649,  650;  vi  cont,  pp  9, 
228;  Ann  20,  vi  cont,  pp  735-737;  Ann  21,  vi,  pp  585-586 
Zincite,  occurrence  of MR  1883-84,  p  773 
Zinckenite,  analyses  of,  from  Colorado,  San  Juan  County Bull  20,  p  93 
Zinnwaldite,  analyses  of Bull  42,  p  24;  Bull  113,  p  26 
chemical  constitution  of Bull  125,  p  48-49 
Zircon,  analysis  of,  from  Maine,  Litchfield Bull  150,  p  204 
chemical  constitution  of Bull  125,  pp  75, 105 
composition  of Bull  150,  p  33 
from  Colorado,  near  Pikes  Peak Bull  20,  pp  66-67 
from  diorite  from  Wyoming,  Electric  Peak Ann  12,  i,  p  609 
occurrence  and  statistics  of MR  1883-84,  p  741 ;  MR  1887, 
p  559;  MR  1889-90,  p  448;  MR  1891,  p  540;  MR  1892,  p  781; 
MR  1893,  p  682;  Ann  16,  iv,  p  605;  Ann  20,  vi  cont,  p  586 
thin  section  of,  from  andesitic  perlite  from  Nevada,  Eureka  district Mon  xx, 
pp  396-397 
from  rhyolite  from  Nevada,  Eureka  district Mon  xx,  pp  396-397 
Zircon  crystal,  analysis  of,  from  North  Carolina,  Madison  County Bull  74,  p  49 
thin  section  of,  from  mottled  rock  from  Minnesota,  Pigeon  Point .  .Bull  109,  p  95 
from  schistose  porphyry  from  Michigan,  Upper  Quinnesec  Falls Bull  62, 
pl22 
Zirconium,  statistics  of MR  1883-84,  p  661 ;  MR  1885,  pp  393-394 
Zirconium  mineral  from  Colorado,  an  ill-defined Bull  55,  p  52 
Zirkel  (F. ),  quoted  on  a  lithologic  collection  from  Washoe  district,  Nevada  .  .Mon  in, 
pp  26-28 
Zoisite,  a  component  of  metamorphic  rocks  in  Coast  Ranges  of  California  ..Mon  xin, 
pp  77-82 
a  product  of  mineralogic  metamorphism Bull  62,  p  210 
an  evidence  of  metamorphism Mon  xm,  pp  129-130 
analysis  of,  from  Massachusetts,  Goshen,  Pelham,  and  Williamstown. .  .Bull  126, 
pp  179,  180 
from  North  Carolina,  Mitchell  County Bull  74,  p  52 
Yancey  County Bull  113,  p  111 
f  rom  Pacific  coast Mon  xm,  pp  79,  80 
composition  of Bull  150,  pp  39-40 
in  rocks  of  Pacific  slope Mon  xin,  pp  77-82 
Zoisite  crystals,  thin  sections  showing,  in  coarse  saussurite  f rom  altered  gabbro 
of  Michigan,  Sturgeon  Falls Bull  62,  pp  69,  70 
Zone  >chlorite,  occurrence  of MR  1882,  p  493 
Zuni  Plateau,  Mount  Tayl<  >r  and Ann  6,  pp  105-198 
Zuni  sandstones  of  Plateau  region Ann  6,  pp  136,  137,  146,  157 
Zunyite,  analysis  and  description  of,  from  Colorado,  San  Juan  County Bull  20, 
pp  102-105 
hlack  inclusions  in,  analyses  of,  from  Colorado,  San  Juan  County.  .Bull  20,  p  104 
chemical  constitution  of Bull  125,  pp  20,  25,  102 
o 
