Tufa Formations In Mono Lake
by Science Photo Library
Title
Tufa Formations In Mono Lake
Artist
Science Photo Library
Medium
Photograph - Photograph
Description
Limestone tufas. View across Mono Lake, California, showing large tufa formations. A tufa is a column or block of soft limestone, which here grow to about 14 metres high. It is formed by the stone (calcium carbonate) being deposited from solution at a geothermal spring or by the evaporation of circulating water. Mono Lake is a salt lake which is slowly drying. Although it has no outflow, the water feeding the lake is being diverted at an increasing rate. This puts a great stress on the lake's ecosystem, particularly migrating waterfowl.
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October 4th, 2018
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