118 Mr. Verchére on the Geology of Kashmir, [No. 2, 
eight thick beds of this trachy-dolerite separated one from the other by the 
following rocks: (a) A slaty basalt, hard when fresh, but very soon falling into 
foliated debris, It reminds one somewhat of the earthy variety of the felstone 
of Baramoola. It is grey in colour. (b) an ash of a dirty-looking felspathic yaste, 
full of rounded or oval nodules of dull angite or hornblende. These nodules 
are probably amygdaloidal in origin, being due to a bubbling of a hot paste 
of ash aud water. It desintegrates very quickly into a yellow earth or a grey 
gritty soil on which grass grows well, soon concealing the rock below. : 
These beds of slaty basalt and ash are well stratified, and fill up all the 
spaces left between the layers of trachy-dolerite ; this last rock forms promin- 
ent ridges or saddles ou which the several works of the fort are built. 
A marshy alluvial plain intervenes between the Hurri Parbut and the 
Tukt-i-Suliman, 
Tukt-i-Suliman. The western extremity of this hill (as it appears above 
the lacustrine deposit) is a little knoll which has received the name of Rustun 
Ghurree. 
1. Rustun Gurree: Compact greenstone either greenish or bluish; hard ; 
fracture conchoidal. Hither no amygdala or a few large ones, about the size 
ofa pigeon’s egg, often irregularly shaped, composed of white opaque quartz 
arranged in concentric layers and never crystallized.* Strike §S. H.—N. W.; 
Dip N. EH. = 50°. This is a hard rock and forms a prominent boss of a barren 
character, It is quarried for building purposes, but is too hard to be dressed, 
and as it breaks in angular pieces, it is altogether a very unsatisfactory building 
material. This bed has a thickness of about... .............c2:seseeeeesee 60 ft. 
2. <A dirty yellowish-grey felspathic ash, full of geodes of dark augite. 
It decays fast, the nodules of augite, after partially decomposing and 
colouring the whole mass ochre-yellow, drop out of their niduses and leave 
a spongy mass of yellow earth somewhat resembling pumice, but not in its 
hardness. It is used as a good clay for pottery. It is much better developed 
on the northern than on the south-eastern side of the hill. In one section 
Its nNo- More than eee readies ciseicuelse Mesorse estieoeebioks vseqlgme seer ee eer eer eam Oebus 
3. Resembling greenstone but much more amygdaloid. It is hardly seen on 
the southern aspect of the hill, where it is covered by vegetable earth and a 
cemetery ; but it is well seen on the lake side near the water gate,... 20 ft. 
4. Tuokt-i-Suliman: A mass of amyedaloidal greenstone, sometimes 
compact, as at the base of the Rustun Gurree, but more generally showing 
dark specks of augite or hornblende in the mass. The amygdala of white 
quartz invade it, either as large and scarce geodes disposed here and there 
* These amygdala of white quartz occasionally fall out of their matrices 
and are to be seen in numbers, half-buried in the soft silty mud of the lake near 
the village of Drogehand. Should this mud one day dry up intoarock, a false 
amygdaloid will be produced, all the more difficult to distinguish from fused 
pacer er as the mud of the lake is entirely formed of the dcbris of volcanic 
rocks, 
