:
rock are
langely used by for
stream in land.
bridging
169/
Further inland other Trap rocks
appear, while some y Bay
Mirs
th
us lauk,
snew very distincter, the terraced and step-like appearance
these formations. The more compact with crystalline vanches scame to predominate though trap- tuffs and
clay stone pomphy rits are not absent - Spenners of basacts, queensiones and fatspar porphyries
were unmerly.
It is betremely difficult in such
a country
Af
Shans descrived
where the Varieties of trap rocks
are do urinbrønd
up with wals
g
and so anixed
the Gramatic System
to say what stien rock,
Exist;
may
not
one thing is certain, there
is Every where
a buu Kauct
Z
the
best thiilding material, and for
road macadamizing nothing could Surpacs the hard bavacts.
Ja
ช
wo places
Icarus
distinctly stratified rocks, of
a hand, crystalline, close quained
variety
Spany
Dark
1
grey
bluish
in colour which I would
call syenitic queiss.
Pure quartz rock
4`un causar;
though in places distinct out-crops
of quanty ill were to the seen. I
saw no Schioli
mica. Schists, and weept-
11.
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