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Tig. 38. Chellumconda and Nerdy Cunnama Section. 
M. Mooteshwar ridge. 
M. Moaksheegoondum ridge: 
C. Chellumeonda : 
N. Nerdy Cunnama. 
B. Bassinapully ridge : 
S2. Bolapilly slates. 
Cumbum slates: 
S3. 
Q3. Byrenconda quartzites : 
[PART III. 
“ The structure of the Yellacondas, from 
a little south of the Nerdy Cunnama (see 
fig.) to the acute bend opposite Cumbum, is 
far from clear; the beds seem persistent all 
the way, yet the unquestionably westerly 
dip of 60°—75° of the beds at Chennoopully, 
and for several miles north, has given way 
to an easterly dip of 75? about half way up 
the west slope of Nerdy Cunnama, and of 
45° near the top of the ghat where the axis 
of the inverted anticlinal has been crossed 
in proceeding  eastward. The greatest 
amount of inversion would appear to exist 
about half way between the Nerdy and 
On both sides of the 
anticlinal are numerous deep ravines, but 
Junna Cunnamas. 
none of those I examined showed the apex 
of curved beds. 
“The section across the Junna Cunnama 
shows the same beds of quartzite as at the 
Nerdy Cunnama; but the section is far 
The bedding of the quartzites 
on the top of the ridge is most obscure, 
less distinct. 
partly because of the homogeneity of the 
rock and partly owing to the prevalence of 
cleavage planes; to these causes are. super- 
added a third, namely, excessive weather- 
ing which has covered great part of the 
ridge with a coat of broken fragments. 
Near the west end of the small level whieh 
occurs at top of the ghat I noticed what 
might possibly be part of the arch of one 
of the beds, but the exposed surface only 
measured a couple of square yards in area 
and might possibly belong to a large fallen 
mass and therefore not be 2z situ. 
“Still further north, the anticlinal re- 
turns to its normal position, and after the 
sudden eastward bend it is much flattened 
out; and by the time the Peddakoo hill is 
