FOR    THE    YEARS    1901-1905,   INCLUSIVE.  333 
Turner  (Henry  W.). 
1.  The  geology  of  the  Great  Basin  in  eastern  California  and  southwestern  Nevada. 
Abstract:  Jour.  Geol.,  vol.  9,  p.  73,  1901;  Geol.  Soc.  Am..  Bull.,  vol.  12,  p.  498,  1901. 
Describes  the  structure  of  the  region  and  its  general  stratigraphic  features. 
2.  Perknite  (lime-magnesia  rocks). 
Jour.  Geol.,  vol.  9,  pp.  507-511,1901. 
Describes  the  character  and  occurrence  of  a  new  rock  type  and  gives  chemical  analyses  of 
rocks  included  in  this  group. 
3.  The  mines  of  Esmeralda  County,  Nevada. 
Mg.  &Sci.  Press,  vol.  82,  pp.   73-74,  1901. 
Contains  notes  on  the  general  geology  of  portions  of  the  county. 
4.  Notes  on  unusual  minerals  from  the  Pacific  States. 
Am.  Jour.  Sci.,  4th  ser.,  vol.  13,  pp.  343-346,  1902. 
Describes  occurrence  and  chemical  characters  of  certain  mineral  phosphates,  silicates  and 
sulphates. 
5.  A  sketch  of  the  historical  geology  of  Esmeralda  County,  Nevada. 
Am.  Geol.,  vol.  29,  pp.  261-272,  1902. 
Describes  the  general  characters  of  the  formations  from  pre-Cambrian  time  to  recent,  and 
discusses  the  geologic  structure  of  the  region. 
(i.  The  Greenback  copper  mine,  Kern  County,  California. 
Eng.  &  Mg.  Jour.,  vol.  74,  pp.  547-548,  1  rig.,  1902. 
7.  Unusual  minerals  from  the  Pacific  States. 
Mg.  &  Sci.  Press,  vol.  84,  p.  296,  1902. 
Describes  occurrence  of  pyromorph it e,  monazite,  apatiteand  vivianite. 
8.  An  instance  of  variability  in  a  rock  magma. 
Abstract:  Science,  new  ser.,  vol.  15,  p.  411,  1902. 
9.  A  post-Tertiary  elevation  of  the  Sierra  Nevada  shown    by  a  comparison  of  the 
grades  of  the  Neocene  and  present  Tuolumne  rivers. 
Abstract:  Science,  new  ser.,  vol.  15,  pp.  414-415,  1902. 
10.  Post-Tertiary  elevation  of  the  Sierra  Nevada. 
Geol.  Soc.  Am.,  Bull.,  vol.  13,  pp.  540-541,  1  pi.,  1903. 
Discusses  the  age  of  the  Sierra  Nevada  uplift. 
11.  The  copper  deposits  of  the  Sierra  Oscura,  New  Mexico. 
Am.  Inst,  Mg.  Engrs.,  Trans.,  vol.  33,  pp.  678-681,  1  fig.,  1903. 
Describes  the  geographic  features  and  geologic  structure  of  the  region  and  the  occurrence 
of  copper-bearing  reefs. 
12.  The  Cretaceous  auriferous  conglomerate  of  the  Cottonwood  mining  district,  Sis- 
kiyou County,  California. 
Eng.  &  Mg.  Jour.,  vol.  76,  pp.  653-654,  illus.,  1903. 
Discusses  the  character,  occurrence,  and  geological  relations  of  the  rock  formations,  and  the 
source  of  the  gold  contained  in  the  conglomerate. 
18.  Notes  on  contact-metamorphic  deposits  in  the  Sierra  Nevada  Mountains. 
Am.  Inst.  Mg.  Engrs.,  Trans.,  vol.  34,  pp.  666-668,  1904. 
Describes  occurrences  of  deposits  additional  to  those  noted  by  Mr.  Lindgren  (Am.  Inst.  Mg. 
Engrs.,  Trans.,  vol.  31,  pp.  230-231). 
14.  Observations  on  Mother  Lode  gold  deposits,  California.     [In  discussion  of  paper 
of  W.  A.  Prichard.] 
Am.  Inst.  Mg.  Engrs.,  Trans.,  vol.  34,  pp.  973-974,  1904. 
Discusses  the  time-relations  of  the  diorite  intrusions  and  the  rissuring. 
15.  The  geological  features  of  the  gold  production  of  North  America.     [In  discussion 
of  paper  of  Waldemar  Lindgren.  ] 
Am.  Inst.  Mg.  Engrs.,  Trans.,  vol.  34,  p.  921,  1904. 
A  note  in  regard  to  the  geologic  position  of  gold  ores  in  the  vicinity  of  Silver  Peak,  Nevada. 
16.  Native  copper  in  greenstone  from  the  Pacific  coast. 
Eng.  &  Mg.  Jour.,  vol.  77,  p..  276,  1904. 
Discusses  the  occurrence  and  origin  of  native  copper. 
