warman.  SANDSTONE.  671 
Sandstone,  analysis  of,  from  Wisconsin,  Ableman Bull  90, 
p  65;  Bull  148,  p  252;  Bull  150,  p  SO;  Bull  168,  p  249 
analysis  of,  from  Wisconsin,  Ashland Ann  19, 
vi  cont,  p  280;   Ann  20,  vi  cont,  p  461 
concretions  in,  origin  of Mon  xm,pp  64-68 
induration  of Bull  8,  i,  pp  12-18,  48-52 
of  California,  Coast  Ranges,  lnetainorphism  of Mon  xm,  pp  63,  87-93 
Coast  Ranges,  petrography  of Mon  xin,  pp  59-63 
of  Colorado,  Elmoro  quadrangle GF  58,  p  4 
Walsenburg  quadrangle GF  68,  pp  5-6 
of  Indiana,  western Ann  17,  in  cont,  pp  780-787 
of  Lake  Superior  region,  Keweenawan  scries Mon  v,  pp  127-133 
of  Nevada,  Eureka  district  (metamorphosed) Mon  xx,  p  346 
of  Oregon,  of  economic  importance \nn  1 7,  i,  pp  512-513 
of  South  Dakota,  tests  of .MR  1889-90,  p  429 
red  color  of,  origin  of Bull  52,  pp  44-55 
secondary  enlargement  of  mineral  fragments  in \nn  5,  pp  218-241 
of  quartz  and  feldspar  grains  in Bull  8,  pp  11,  44 
statistics  of MR  1882,  pp  451,  457;   M  R  1885,  p  403; 
MR  1886,  pp  546-549;  MR  L887,  pp  520-521;  MR  L888,  pp 
544-:>47;  MR  1889-90,  pp  374-375;  MR  L891,  pp.456, 460- 
163;  Ml;  L892,  pp  705,  710-711;  MK  L893,  pp  543,  552-555; 
Ann  Hi,  iv,  pp436,  437,  482-492;  Ann  17.  in  cont.  pp  759, 
760-7(51,775-7X7;  Ann  is,  v  cont,  pp  949, 950-951,  L012-1043; 
Ann  L9,  vi  cont,  pp  206-207,  264-280;  Ann  20,  vi  cont, 
pp  270, 271, 336-341;  Ann  21.  vi  cont.  pp  334,  335,352-356 
tests  of,  from  South  Dakota MR  1889-90,  p  420 
thin  section  of,  from  Massachusetts,  Greenfield  (scoriaceous) Mon  xxix, 
pp  430-431 
from  Michigan,  from  the  " Calumet  conglomerate" Mon  v.  pp  126-127 
Eagle  Harbor \nn  :>;  p  238;  Bull  8,  p  45 
Keweenaw   Point,  near  ( Jopper  Falls  mine Mon  v,  pp  126-127 
Nonesuch  mine  (cupriferous  I Mon  v.  pp  126-127 
XW.  i  sec  27,  T.  47  N.,  R.  45  W Mon  xix,  pp  486-487 
from  Oregon,  Barron  (pebbly) Bull  150,  pp  76-77 
from  Pennsylvania,  Hummelstown  (brown)   Bull  150,  pp  76-77 
from  Wisconsin,  Ableman  (Potsdam) Bull  150,  pp  80-81 
( ribraltar  Bluff Bull  8,  pp  24-25 
Montreal  River  (basic) Mon  v,  pp  126-127 
Westfield Bull  8,  pp  28-29 
transformation  of,  to  serpentine .Mon  xm,  pp  121-126,  277-278 
varieties,  uses,  etc. ,  of Ann  1 6,  iv,  pp  482-484 
(See,  also,  Building  stone.) 
Sandstone,  composite,  analyses  of Bull  168,  pp  16-17 
Sandstone,  banded,  from  Utah,  Peoa,  description  of  the  rock,  as  one  of  the 
educational  series Bull  150,  pp  80-81 
Sandstone,  brown,  description  of  the  rock,  as  one  of  the  educational  series.  .Bull  150, 
pp  77-78 
Sandstone,  Eastern,  junction  between,  and  Keweenaw  series  on  Keweenaw^ 
Point,  Lake  Superior,  observations  on Bull  23 
Sandstone,  Potsdam,  description  of  the  rock,  as  one  of  the  educational  series. .     Bull 
150,  pp  79-80 
Sandstone,  fossiliferous,  description  of   the  rock,  as  one  of  the  educational 
series Bull  150,  pp  83-84 
Sandstone,  gray,  description  of  the  rock,  as  one  of  the  educational  series. .  .Bull  150, 
PP  75-77 
