382  CONTRIBUTIONS    TO    ECONOMIC    GEOLOGY,   1!>0(>,   PART    I. 
Analyses  of  undeveloped  glass  sandfrom  various  localities. 
Location 
Gate  City 
Do... 
[rondale. . 
Trussville 
Do. 
Sample. 
Constituent. 
7.       < 
Sand 99.80  0.75 
Sandstone....  97.22  L. 88 
do 97.93  i  05 
Sand 
North  Birmingham  . . . 
\KK  LNSAS. 
Guyon 
iRID  \. 
Beach    sand,    Gull  of 
Mexico  1 1  r 
i  y,  Springdale 
■  ion. 
Greenwood      County, 
SE.     sec. 
i;.  L2  E. 
Do 
Do 
Fall  River,  ',  mill 
of    Frisco    railroad 
:  ion. 
....do. 
Sandsti 
9a  30     .98 
0.31 
.  24 
.  L9 
.20 
.  19 
.33 
Sandstone. 
Crudi 
Averaged 96.90    1.22 
MISSOl  BI. 
Versailles 
M  I  ■.  I :  I 
Robbers'    Cavi 
Lincoln. 
d  i  fferc a t 
beds    same 
197.81      .73 
lion.  198.0 
■ 
97.81 
Averaged. 
Cru< 
10 
18 
M 
.06 
.06 
Tr. 
.09 
.07 
I  i 
!  : 
0.05   0.  in 
29 
.'.'1 
.  12 
Tr. 
04 
An  t  liorit  v 
L00.U    R.    S.    Hodges,    Ui 
versity,  Ala. 
99.70  Do. 
99.68  Do. 
99  25    E.S.I  ampbell,  Tru] 
villi'.  Ala. 
99.67    R.    S.    Hodges,    l'i 
versil  y,  Ala. 
Do. 
L6   99   i  • 
b.016  99.59  R.  V*.  Pepperberg,E 
mtmIv  of  Nebras] 
Lincoln,  Nebr. 
bl.07 
72 
orge  Steiger,  [Jnitl 
States  Geo  1  <> _s^ i t •  s 
Sun  ej . 
99.  66  Georp- Striker.  I'tntcd 
states  ecological 
Survey. 
19.98  GeorgeSteigi  r,  i'nitcd 
States  (i  en  I  o^'ical 
Survej . 
05  .80  Do. 
06  .  -I  100.04  Do. 
I  i            i  Do. 
ii  LOO.  i lorgeSti  iger,  I  nitel 
si, -ilcs  ecological 
Survey. 
L6 
d\,  55  100.  i«)  Ceorge  Borrow  man, 
University  of  W- 
braska,  L  i  ncol  q  , 
Nebr 
■  >ii  ignil  ion. 
d  i  adetermined. 
