222 
Ww by N. 
E.by ی‎ 
Býrawcocsar Conda 
Mica Schist & Gneiss 
KING : KADAPAH AND KARNÜL FORMATIONS. 
ít 
E 
4.3. 
Diagrammatic Section of the Porenaumla valley and Goralabode ridge. 
Fig. 37. 
B. Byrawoody Conda. 
Q3 
Gb. Goralabode ridge : 
G. Gneiss. 
Q. Bottom beds: 
Byrenconda quartzites: 
Cumbum slates 
[PART n. 
the Byrenconda quartzites, the extension of the 
sub-group is carried as far south as M ylecherla, 
where the Davur Conda ridge is cut short by the 
great boundary fault. But: there is besides little 
reason to doubt the still further southward exten- 
sion of the Konapully ghat beds, although the 
quartzite beds seen southward from the mouth of 
the muddava valley all dip eastward. 
* 'There is no visible change of beds, and both 
strike and mineral characters continue alike with 
the more northerly part. The eye follows quart- 
zite outcrops along the face of the mountains 
from the unquestionable westerly dip near the 
Konapully ghat to the ridge west of Mylecherla, 
where only easterly dips occur without any break, 
beyond what is caused by ravines and valleys. 
On the western side of the Yellacondas, where no 
change has taken place in the dip, the quartzites, 
which at Mylecherla underlie the slates of the 
Konapully ravine conformably, and are unques- 
tionable extensions of the Konapully ghat anti- 
clinal, are continued southwards past the Gorala- 
bode Trigonometrical Station and to beyond the 
; Sheetarampoor pass. With this persistent con- 
. tinuation of the beds, it seems impossible that 
any other structure can obtain than an inverted 
anticlinal as shown in the annexed diagrammatic 
section* (fig. 37). 
“Owing to the extent of denudation the crown 
g of the arch has been removed entirely, which 
renders the section necessarily very obscure, by 
doubling the apparent thickness of the formation. 
The greatest amount of overthrow or inversion 
of the anticlinal appears to occur a little south of 
the Goralabode peak, and it attains probably an 
angle of 45° east on the west side of the moun- 
tains; further south, the beds seem to lean over 
to a considerably lesser extent. To the north, at 
the mouth of the Muddava ravine, the dip is 60° 
* Itis along this axis that I am inclined to suppose a system of north-south faults in preference to 
an inversion. 
( 
222 ) 
(See Pt. IV., Chap. 1).—W. K. 
