626. Notes on the Specimens of the Kankar Formation, (Dae. 
flags, and to that of flags themselves*. It seems to be of a kind pe- 
culiar to this bank of the river, about the lowestlevel. Cursory ob- 
servation at least does not discover it elsewhere. It is darker and greyer, 
but otherwise not unlike the fine sand of the superficial beds. Flags, it 
is asserted by the people, are never found on the sites of former excava- 
tions, that is, they believe them to be old deposits, and have no expec- 
tation of discovering fresh formations in the spots from which they have 
once before raised the layers. Projecting eaves from the roofs and win- 
dows of the native pakka houses are in this neighbourhood very general- 
ly constructed with these flags. It seems to be the use to which exclu- 
sively they are applied, and they are conveyed for it to Calpé and other 
towns in the vicinity, where they are sold at a few rupees a hundred. 
Similar flags to these may very possibly exist on other parts of the 
bank of the river, but they have never been observed or heard of ex- 
cept at this place, and here but in one bank of about half mile in length, 
and in the bed of the river opposite to it. Although, as shewn in Sketch 
5, this is now the main bank of the river, it has not always been so. 
At some very remote period, the Jamna must have ran along the foot 
of the higher plain on which Kentra stands, and which line, with the 
relative distances and elevations, is seen on the small sketch. 
References to the Sketches. 
Sketch 1. a. Sand in strata, alternating in thicknesses of the flags. 
b. Lowest level of the river. 
k. Cess-pool for baling out the water. 
c. First stratum of flags. 
d. Intervening layer of sand, fine, of the same color and description apparently as 
that in the composition of the flags, varying in thickness from 6 in. to 1 feet. 
e. Second stratum of flags. 
f. Second intervening layer of sand. 
g. Third stratum of flags. 
From 1 to 5, strata of flags and intervening sand are found. 
Sketch 2. The slabs in their natural position, in the sand ortheriver. - - -- Cuts 
made by the people to detach them. 
Sketch 3. Plan and section shewing the round pieces of kankar (a) found lying 
between the flat slabs (0 0). 
Sketch 4. The method of obtaining the kankar from the sand-beds towards the 
centre of the river. 
A. One of the men separating the pieces by a sharpened crow-bar. 
B. Another lifting up the detached pieces from the bottom. 
* The composition of the flag kankar analysed by me wasas follows : 
Carbonate of lime, .......... 42.2 
Bite sandy ic aeiva aces a OLS 
a 
100 Ep. 
