218
"
THE SEAS
‘
a
result the enormous salinity* of over 200 parts per
thousand has been. reached.
The difference between this
concentration and that of sea water is due to the very small
_
volume of water in the “
Dead Sea ”
compared with that
of the ocean which requires almost incalculable quantities
of Salt to raise its-salinity appreciably.)
_
'
'
In the Atlantic Ocean for the same reas'ons as
given above we nd the highest salinity in the central
the Sargasso Sea, and the lowest in polar regions
where the continual precipitation of rain and snow from the
atmosphere tends to dilute the surface layers.
Besides this common sea salt-there are' also many other
'
substances to'_ be‘ found in solutibn.
In fact there are
present traces of almost all. known chemical elements.
This is only natural when we consider that particles of all
:
kinds of Substances musteventually be washed down from
land.
Amongst these many bodies silver, radiùm and gold
are
to be found._ Îhe presence of gold has… of course
attracted men’s attention, and certain unscrupulous people
have attempted to obtain capital from those who have been
misled by the visions of amassing large_fortunes out of
sea
gold. is present in such
minute traces that the cost of its extraction would .- be
"
greater
the value
amount obtained. The
quantities
have
variously
and
probably diffèf"ëlighÿ from place …to place. The highest
value obtained is one grain of gold in one ton of sea water;
that is, in order to obtain sufcient gold for that very'rare
:
coin, the sovereign, one would:.have to treat chemically
:
over 100 tous of sea water….
.
.
,
._
Ï
It
would be even” less protable to.
-
the
evidentlyj pler‘1tythere-in bulk ;
‘
'
-*j1‘3__ééçd‘Ïséä"ëà1t“dièféfroif se'à Sàit in the prôpôruôhs' of its
,
_
const1tuents. î_
'
"
:
-
-
-_
_
_
_«
_
"
THE SEAS
‘
a
result the enormous salinity* of over 200 parts per
thousand has been. reached.
The difference between this
concentration and that of sea water is due to the very small
_
volume of water in the “
Dead Sea ”
compared with that
of the ocean which requires almost incalculable quantities
of Salt to raise its-salinity appreciably.)
_
'
'
In the Atlantic Ocean for the same reas'ons as
given above we nd the highest salinity in the central
the Sargasso Sea, and the lowest in polar regions
where the continual precipitation of rain and snow from the
atmosphere tends to dilute the surface layers.
Besides this common sea salt-there are' also many other
'
substances to'_ be‘ found in solutibn.
In fact there are
present traces of almost all. known chemical elements.
This is only natural when we consider that particles of all
:
kinds of Substances musteventually be washed down from
land.
Amongst these many bodies silver, radiùm and gold
are
to be found._ Îhe presence of gold has… of course
attracted men’s attention, and certain unscrupulous people
have attempted to obtain capital from those who have been
misled by the visions of amassing large_fortunes out of
sea
gold. is present in such
minute traces that the cost of its extraction would .- be
"
greater
the value
amount obtained. The
quantities
have
variously
and
probably diffèf"ëlighÿ from place …to place. The highest
value obtained is one grain of gold in one ton of sea water;
that is, in order to obtain sufcient gold for that very'rare
:
coin, the sovereign, one would:.have to treat chemically
:
over 100 tous of sea water….
.
.
,
._
Ï
It
would be even” less protable to.
-
the
evidentlyj pler‘1tythere-in bulk ;
‘
'
-*j1‘3__ééçd‘Ïséä"ëà1t“dièféfroif se'à Sàit in the prôpôruôhs' of its
,
_
const1tuents. î_
'
"
:
-
-
-_
_
_
_«
_