Handbook of the federated Malay states - Sabrizain.org

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Federated Malay States. 5
These hills are generally cavernous, and in many instances
the caves are of considerable size and beauty.
(iii.) Small sheets of Trap rock.
(iv.) Eiver gravels and alluvial deposits, overlaid with
patches of peat on the lowlands near the coast.
The following metals have been found in the different
formations :
In the Grranite — Tin, lead, iron, arsenic, tungsten,
titanium.
In the Laurentian—Gold, silver, tin, lead, iron, arsenic,
copper, zinc, tungsten, manganese, bismuth.
In the Quaternary—Grold, tin, copper, tungsten, iron,
titanium. Also other ores in smaller quantities.
In the Alluvial — All the above-mentioned ores in
varying quantities, in the more workable form of
alluvial deposits.
Numerous hot springs have been discovered in different JTot Springs.
parts of the States, with degrees of temperature varying
from 90° to 180° F.
The water usually gives off an odour of sulphuretted
hydrogen and has a bitter taste.
Dissolved mineral matter is from one to four parts in ten
thousand.
Some of these springs are used as baths, with beneficial
effect.
The climate of the Federated Malay States, as of the Climate.
neighbouring colony of the Straits Settlements, is tropical,
but may be described as being oceanic rather than con-
tinental.
The distinguishing feature is the absence of local seasonal
variations, or of any prolonged or marked epochs, whether of
rain or drought, or of high or low temperatures.
Although near the Equator, the heat, which is of a moist
nature, is not usually felt to be oppressive, and having regard
to their geographical position, the climate of the Federated
States, as a whole, notwithstanding the continuous heat and
the excessive humidity of the air, has been proved to be
healthy for Europeans of sound constitution who lead regular
and temperate lives.
This is particularly the case in the larger towns. In lowlying
and swampy parts, and on newly-opened lands, there