Everything about Trona totally explained
» This page is about the mineral. For the town, please see Trona, California; for the geological feature, please see Trona Pinnacles.
Trona, hydrated
sodium bicarbonate carbonate (
Na3HCO3CO
3·2
H2O), is an
evaporite mineral. It is
mined as the primary source of
sodium carbonate in the
United States, where it has replaced the
Solvay process used in most of the rest of the
world for sodium carbonate production.
Trona is found at
Owens Lake and
Searles Lake,
California;
Green River Formation,
Utah; and the
Nile Valley in
Egypt. The trona near
Green River, Wyoming is the largest known deposit in the world and lies in layered evaporite deposits from 800 to 1600
feet below ground, where the trona was deposited in a
lake during the
Paleogene period. Trona has also been mined at
Lake Magadi in the
Rift Valley in
Kenya for nearly 100
years, and occurs in 'salt' pans in the
Etosha National Park in
Namibia.
The word "trona" comes to
English by way of either
Swedish (
trona) or
Spanish (
trona), with both possible sources having the same meaning as in English. Both of these derive from the
Arabic trōn which in turn derives from the Arabic
natron, and
Hebrew nun, tet, resh, nun pronounced
natrun,which comes from the
ancient Greek nitron, derived ultimately from the
ancient Egyptian ntry (or
nitry).
Companies with trona mining operations
Further Information
Get more info on 'Trona'.
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