wabman.]  -       BASALT BASIN.  163 
Basalt  of  Yellowstone  Park Mon  xxxn,  n,  pp  239, 
241,  275-2*1,  302-304,  433-439;  GF  30,  pp  3,  6 
quartz-bearing,  distribution  of Bull  79,  pp  30-33 
thin  section  of,  from  Connecticut.  Pomperaug  Valley Ann  21,  in,  p  68 
i :r<  iin  Mi  :higan,  Crystal  Falls  district Mon  xxxvi,  pp  280-299 
from  Nevada,  Eureka  district Mon  xx,  pp  404-405 
from  Yellowstone  Park Mon  xxxn,  n,  pp  250-251 ,  436-437 
thin    section  of   matrix    from  ellipsoidal,  from  Michigan,  Crystal  Falls 
district Mon  xxxvi,  pp  298-299 
Basalt,  cellular,  description  of  the  rocks  as  one  of  the  educational  series. Bull  150,  p  252 
Basalt,  glass  inclusion  in,  analysis  of,  from  Germany,  Darmstadt Mon  xin,  p  160 
i  Sec,  also,  Metabasalt. ) 
Basalt  dike,  analysis  of,  from  Yellowstone  Park,  Absaroka  Range Mon  xxxn, 
ii,  p  260;  Bull  148,  p  122;  Bull  168,  p  92 
Basalt  flows  in  Idaho  Basin Ann  18,  in,  pp  658,  669,  675,  712 
Basalt-andesite  glass  breccia,  analysis  of,  from   Yellowstone  Park,  Crandall 
Basin Mon  xxxn,  n,  p  260;  Bull  148,  p  122;  Bull  168,  p  92 
Basalt-porphyry,  analysis  of,  from  Yellowstone  Park,  Crandall  Volcano Mon 
xxxn,  ii,  p  260;  Bull  148,  p  122;  Bull  168,  p  92 
Basalt  tuff  from  Battle  Creek  Meadows,  California,  description  of,  as  one  of 
the  educational  series Bull  150,  pp  251-252 
thin  section  of,  from  Michigan,  Crystal  Falls  district Mori  xxxvi,  pp  294-295 
Basaltic  breccia  flows,   dikes,   sheets,    and   scoria  in    Montana,  Fort  Benton 
quadrangle GF55,  p3 
Basaltic  eruptions  in  Utah,  Bonneville  Basin Mon  i,  pp  319-336 
Basaltic  glass,  analysis  of,  from  Maine,  Aroostook  ( Jounty Bull  168,  p  20 
in  California,  Sulphur  Bank ..Mon  xin,  pp  158-162 
Basaltic  rock,  analysis  of,  from  Texas,  Uvalde  County Bull  168,  p  61 
Basalts,  occurrence  of  primary  quartz  in  certain Bull  66,  pp  20-31 
Basanite,  analysis  of,  from  Texas.  Uvalde  County Bull  168,  p  61 
occurrence  of,  in  New  York,  New  Jersey,  and  Pennsylvania.. MR  1883-84,  p  763 
Bascom  (F. ),  ancient  volcanic  rocks  of  South  Mountain,  Pennsylvania Bull  136 
description  of  aporhyolite,  as  one  of  the  educational  series.  .Bull  150,  pp  343-349 
report  of  a  petrographic  examination  of  dike  rocks  of  the  Xew  York-Ver- 
m.  >nt  slate  belt Ann  19,  in,  pp  223-226 
work  by Ann  20,  i,  p  38;  Ann  21,  i,  p  74 
Basedeveling.  especially  along  New  England  coast Mon  xxxiii,  pp  42,  47-49,  75-76 
Base-levels  of  erosion  in  Catoctin  belt Ann  14,  n,  pp  369-394 
of  erosion  in  Grand  Canyon  district  and  elsewhere Ann  2,  pp  101-103; 
M.  ai  ii,  pp  76-77, 119,  224,  225 
on  Pacific  coast,  ancient Ann  14,  n,  pp  405-411,  419-421,  429-433 
Basement  complex  of  Michigan,  Crystal  Falls  district Ann  19, 
in,  pp  146-147;  Mon  xxxvi,  pp  463-471 
of  Michigan,  Marquette  district Ann  15, 
pp  489-516,  631-632;  Mon  xxvin,  pp  149-220,  526-528,  555 
of  Michigan  and  Wisconsin,  Penokee  district Mon  Xix, 
pp  81,  82,  86,  428,  438,  455,  470,  471,  472 
(See  Archean.) 
Basement  rocks  of  Black  and  Grand  prairies,  Texas Ann  21,  vn,  pp  86-106 
Bashi  series  of  Alabama,  correlation  of Ann  18,  n,  pp  345-346 
Basement  sands  of  Alabama Bull  84,  pp  321,  338 
Basement  sands  of  Texas Ann  21,  vn,  pp  132-140, 171-192,  371,  372 
Basin  Range  structure Ann  4,  p  443;  Ann 
17,  i,  p  533;  Mon  xi,  pp  24-28;  Mon  xx,  pp  10,  211 
