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How
Rock Salt is Formed |
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When topographical changes in the earth's
crust occur, stretches of sea water sometimes become
land-locked. As the water of an enclosed sea area
evaporates, the result is a salt lake with a saline
content higher than that of the ocean.
Lake evaporasion may become Ieave large expanses
of crystallized salt. As further geographical upheavals
take place, these subterranean rock- salt.
Under certain conditions, rock-salt strata may give
rise to underground accumulations of natural brine.
 
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