Full resolution (JPEG) - On this page / på denna sida - VII. Manufacturing Industries. Introd. by [G. Sundbärg] K. Åmark - 8. Manufactures of Stone, Clay, Coal, Charcoal, and Peat - Stone Industry. By E. Svedmark
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stone industry.
411
At the foot of the Västgöta Hills there exists sandstone, which is quarried
at Kinnekulle, Billingen, Lugnås, etc. In this group there is also included the
Närke sandstone, which is quarried at Sjötorp, east of Örebro, and at other
places.
Dala sandstone, which is found over a large area between the eastern and the
western branches of the river Dalälven.
At Simrishamn, and in Runnö in Kalmar Sound, there is found a sandstone
that is employed for making grindstones.
Limestones and marble. Among the most important of the limestones of
Sweden, special mention must be made of the Kolmdrd marble, whose greenish
tinge, caused by the serpentine existing in this variety, makes it an extremely
original variety and one, we venture to think, almost unique amongst the many
kinds of marble. Kolmård marble is nowadays no longer used for exterior
architecture, as it has proved to be too sensitive to weathering. The marble,
however, is a first-class raw material for interior facings, for columns,
wall-facings and floorslabs, etc., and, when polished, especially in combination with
bronze, has a singularly beautiful effect. In addition, Kolmård marble has
from early times been employed for making many kinds of large and small
decorative articles.
The Lower Silurian, close-grained limestones of Sweden have also been
employed on a large scale in both early and recent times. It is found in Skåne,
Öland, and the more northerly läns.
The Upper Silurian limestones are found in Gottland and in Skåne. At
present they are quarried on a large scale north of Visby.
The comparative statistics issued by the statistical branch of the Board
of Trade supply further information respecting the development and extent of
the Swedish stone industry. The figures given are, however, very incomplete
for the first few years of issue, as only very few and incomplete reports were
received from stone-works and stone-polishing works. The following figures are
taken from the statistics mentioned:
y Stone No. of Value of output
r works hands kr.
1865 ................4 211 101000
1880 ................22 1737 641000
1890 ................43 1912 1213 000
1895 ................124 6 379 4 411 000
1900 ................228 11697 11063 000
1905 ................299 12 346 13 647 000
1910 ................347 13 815 19 251000
1911 ... 357 13913 19534000
1912 ............359 13 925 20173 000
Of the total value of the output of stone for 1912, that of Göteborg och
Bohus län amounted to 8 347 000 kronor, or, approximately, 41 % of the whole.
Then come, in the order given: the Läns of Blekinge, Kristianstad, Malmöhus,
and Kalmar.
Felspar. From the 46 felspar quarries worked during 1911 there were
obtained, according to the report sent in — which, however, must be considered as
rather incomplete — 34 300 tons of a stated value of 333 000 kronor, which,
on an average, makes about 10 kronor per ton.
Quartz. In 1912 there were quarried 22 400 tons of quartz, with a stated
value of 103 000 kronor.
The great development of the stone industry during the last decade of the 19th
century was, it is true, the result in some measure of an essential increase m
the employment of undressed varieties of stone, for various purposes within the
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