INDEX. 
925 
Page. 
Needle  Mountains,  rocks  of 45, 
46, 819-822, 824-826, 829-832, 833 
Needle  Mountains  group,  character  and  dis- 
tribution of 830, 831 
Negaunee,  rocks  near 137-138, 145, 148 
Negaunee  formation,  character  and  distribu- 
tion of 157-158, 170, 171, 336 
correlation  of 149, 166, 169, 173, 328-329, 721 
ores  of 157-158, 336 
relations  of 352 
Neilsville,  rocks  of 193 
Nelson  River,  rocks  on 532-533, 547 
Neo-Algonkian  rocks,  subdivision  of 102 
Neri, ,  on  Alpine  rocks 88 
Nevada,  correlation  in 46 
pre-Cambrian  rocks  of 46, 
771-779, 791-799, 864-874 
fossils  in 499 
literature  of 771-777, 791-798, 864-874 
Newberry,  J.  S.,  on  California  rocks.  868, 869-871, 899 
on  New  Mexico  rocks 769, 891 
on  New  York  rocks 028, 651 
New  Brunswick,  correlation  in 43 
nomenclature  in 100-101, 423 
pre-Cambrian  rocks  of 43, 
83-84,97,423,490-502 
fossils  in 99 
literature  of 490-501 
unconformity  in 39 
Newburg,  rocks  of 631 
Ne wells  Island,  rocks  of 514-515 
New  England,  correlation  in 43, 77-78 
pre-Cambrian  rocks  in 16, 17-18, 43, 552-592 
literature  of 552-589 
structure  in 77-78 
New  England,  western,  pre-Cambrian  rocks 
of 585-589 
Newell,  G.  A.,  on  Marquette  ores 154, 390 
New  Fane,  rocks  at 563-564 
Newfoundland,  correlation  in 43 
pre-Cambrian  rocks  of 43, 
83, 85,  94, 99-100, 498, 512, 514-520, 585 
literature  of 514-518 
unconformity  in 39 
Now  Hampshire,  pre-Cambrian  rocks  of 553- 
559,  585-586, 590 
pre-Cambrian  rocks  of,  literature  of 553-559 
New  Jersey,  correlation  in 43 
pre-Cambrian  rocks  of 43, 622, 635-647 
literature  of 635-645 
Newland,  D.  II.,  and  Kemp,  J.  F.,  on  Adiron- 
dacks  rocks 611, 619, 649, 650 
Newland,  D.  II.,  and  Smyth,  C.  F.,  jr.,  on 
Adirondacks  rocks 613, 649 
Newland,  D.  II.,  Kemp, J.  F.,and  Hill,B.F., 
on  Adirondacks  rocks 613,649 
Newland  limestone,  character  and  distribu- 
tion of 861 
New  Marlboro,  rocks  near 622 
New  Mexico,  correlation  in 45 
pre-Cambrian  rocks  in 45, 768-771 
literature  of 768-770 
Newport,  rocks  a! 561,572,573,583 
New  Red  sandstone,  character  and  distribu- 
tion of 568, 570 
correlation  of 112, 299 
Page. 
New  River,  rocks  on 772 
New  Rochelle,  rocks  near 631 
Newton,  Henry,  on  Black  Hills  rocks..  728-729,751 
on  Wyoming  rocks 844, 897 
New  Ulm,  rocks  near 196, 197, 198, 242, 252, 310 
New  Ulm  quartzite,  correlation  of 250, 318, 409 
relations  of 374 
New  York,  correlation  in 43 
pre-Cambrian  rocks  of 43, 622-635 
literature  of 622-633 
New  York  City,  rocks  of 630 
New  York  Island,  rocks  of 627,  C28 
New  York  system,  character  and  distribu- 
tion of 560 
relations  of 626 
New  Zealand,  pre-Cambrian  rocks  of 54 
Niagara  limestone,  character  and  distribu- 
tion of 431 
Nickel-bearing  rocks,  character  and  distribu- 
tion of 426-427, 430-431 
correlation  of 425 
Niehart,  rocks  near 855, 858, 861 
Niehart  quartzite,  character  and  distribution 
of 858, 861 
Nigger  Hill,  rocks  of 846 
Nighthawk,  rocks  near 431 
Nipigon  Bay,  rocks  near 254, 
265, 271, 277-278, 288, 300, 304, 341, 342, 357 
Nipigon  group,  age  of 265 
character  and  distribution  of 63, 
94, 213, 263, 270, 272, 281, 534 
correlation  of 325 
relations  of 101, 534 
use  of  term 263 
See  also  Keweenawan. 
Nipigon  Lake,  rocks  near 270, 
273, 288-289, 291, 292, 296-297, 301, 307, 372 
Nipigon  River,  rocks  near 2C0, 291, 301 
Nipisiguit  River,  rocks  on 501 
Nipissing,  Lake,  rocks  near 405-406, 
408, 420, 422, 423-424, 449, 4.">7, 467 
Nisconlith  group,  character  and  distribution 
of 46,876,879 
correlation  of 102, 862, 864, 876, 878-879 
Nitze,  H.  B.  C,  and  Hanna,  G.  B.,  on  North 
Carolina  gold 681-682 
Nome  group,  character  and  distribution  of.  8S8, 889 
correlation  of 891 
Nomenclature,  geologic,  theory  of 59, 62 
Nomenclature  of  pre-Cambrian,   committee 
on 324-331 
Nonesuch  formation,  character  and  distribu- 
tion of 346 
Nonwatinose  Lake,  rocks  near 291 
Nord,  River  du,  rocks  near 448,449 
Norian  series,  character  and  distribution  of. .       78, 
82-83, 87-88, 317, 573,  600, 604 
correlation  of 75, 
76,78,  199-201,  21 1,234, 31 7,  3 l'.t.  157 
definition  of 82, 87-88 
igneous  nature  of 97 
origin  of 78, 83 
relations  of :<73 
segregation  of 82 
use  of  term 59,62,78,87 
Norite,  nickel  in 430-431 
