The Economic Aspect of GeologyLeith, C. K. (Charles Kenneth)
Science
The Economic Aspect of Geology
Leith, C. K. (Charles Kenneth)
Geology, Economic
The principal chromite-producing countries in normal times are New
Caledonia, and Rhodesia (controlled by French and British interests),
and to a somewhat lesser extent Russia and Turkey (Asia Minor). Small
amounts of chromite are mined in Greece, India, Japan, and other
countries. The Indian deposits in particular are large and high-grade
but have been handicapped by inadequate transportation. The production
of chrome ore in New Caledonia, Rhodesia, Russia, and Turkey has usually
amounted to more than 90 per cent of the total world's production. The
ore from New Caledonia has been used by France, Germany, England, and to
some extent by the United States. Rhodesian ore has been used by the
United States and the principal European consumers. Latterly more
Rhodesian ore has gone to Europe and more Caledonian ore to the United
States. The Russian ore has been in part used in Russia and in part
exported, probably going mainly to France and Germany. The Turkish ore
has been exported to the United States, England, and Germany; it
probably supplied most of Germany's chromite requirements during the
war.
During the war the United States was temporarily an important producer,
as were also Canada, Brazil, Cuba, and to a minor degree Guatemala.
The richest chrome ore mined at present comes from Guatemala, but the
mines are relatively inaccessible. The New Caledonian, Rhodesian,
Russian, Turkish, and Indian ores are also of high grade. The ores mined
in the United States, Canada, Brazil, Cuba, Greece, and Japan are of
lower grade.
The use of domestic chromite supplies in the United States presents much
the same problem as does manganese. The ore bodies are small, scattered,
and of a generally law grade. War-time experience showed that they could
be made to meet a large part of the United States requirements, but at
high cost and at the risk of early exhaustion of reserves. California
and Oregon are the principal sources, and incidental amounts have been
produced in Washington, Wyoming, and some of the Atlantic states. With
the resumption of competition from foreign high-grade ores at the close
of the war, the domestic mining industry was practically wiped out; the
consequences being financial distress, partial direct relief from
Congress, and consideration of the possibilities of a protective
tariff,--which in this case would have to be a large one to accomplish
the desired results (see Chapters XVII and XVIII).
GEOLOGIC FEATURES
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