Continued mmt about 11 mil; 
mod oty Guidebook^ 1955, page 55* 
•fVfl 
: ' vv V-W- ^ 
Gee ::p.>p Kruux 3 Geological 
April £6 
evfjaicg, 
Melbourne to Violet Hilly to Guion sad return to Melbourne for 
3.7 Mies north of Melbourne on Arkansas 9. Examined outcrops 
of Calico Bock (?) sandstone. ’look. $ . 1 
to Violet Hill. Chert residuum ldth druse, identified by SID. O'* as 
Upper Cotter. He said chert carried s<. m large gastropods found m high 
hill northwest of Gainesville, Mo. 
Three-fourths axle west of Violet Hill (Arkansas Ho. 56) observed 
contact marked by zone of pebbles; thin sandstones, ' fine-grained to 
m being- slightly sandy. Dolocasis present 
in aoro crystalline dolomite on top of hill above contact blue-gray, 
glassy and drusy ctertj containing the- gastropod Lophospora Sp.f - and 
small braebiopodaj collected fossils and specimens of chert. 
The following section «as Measured on Mg testy entering Guion Hill, Guion, Ark, 
tO 
W * 
4 * 
r 
o. 
10 
11. 
12 
* 
* 
St. Poti ;T « .* **#«*»#***.«*•#-*•*•*#•*#*. * * * • * * • 
Green, shaiy sendaion© •****••»••••••••**«« 
r ^rru^xnoixs rock* t®#***^^**#®*###*#*## 
_ &T :ei- 
tipper 15 M into veay sandy dolomite ^ 54** 
Clay soil, red* local* ilo rumple- ********* 
Dolomite, dark gray, e&rtiy, &&&4gr« 
1^6 froi f, bade «*#«*•*'#*********#***»*. *»**« 
Pebble gone * * a * * * * * * « ****** e ****** * ****** # 
Dolomite, dark bluieb-gray, slightly to 
Tory sandy, finegrained 37 from top* a* 
Pebble zone * * o -®. * * ****** * ■*»■#* ************ * * 
Dolomite, blui ah-gr ay f fino*grai aed, 
irregularly Mote ted with xnigs and 
▼einlets filled with eaieite, locally 
Tory sandy, Imrd and breaks with 
splintery fracture* 59 .from base, 510 
from top <» ns* £ ■# & * ^ «■ # $ # to m to * •» «s- # «■ « # ■♦ & ■# 4> to to to & to & & 
<&■ 
Top of ho* 10 tmevon and ooTcred mill 
greenish clay shale 3/2 to 
Above apparently local* 
Dolomite, similar 'to that in Bed 10* 
Slightly green-colored at top, which 
is in*egular< 
air * $ * * *: 
Thick. 
Sample 
1 
6 > 
£ 
O' 6 R 
fy 
0 
S' 
4 
O' 5" 
7* 
6 
O' g" 
12' 
7 
0 * 6 “ 
8 
12^ 
2 " 
8/10 
11 
«* «■ ♦ * 
