As water levels drop in the Dead Sea, salt is piling up on the lakebed.
Published Jul 31, 2019
This detailed astronaut photograph shows the salt ponds of one of Africa’s major producers of soda ash (sodium carbonate) and salt. Soda ash is used for making glass, in metallurgy, in the detergent industry, and in chemical manufacture. The image shows a small part of the great salt flats of central Botswana known as the Makgadikgadi Salt Pans.
Published May 13, 2007
The west-central state of Gujarat accounts for nearly three-quarters of India’s annual salt production.
Published Oct 21, 2019
Chile’s Salar de Atacama has the world’s largest reserve of lithium, which is a key ingredient in rechargeable batteries.
Published Feb 9, 2019
Colorful, mineral-rich salt flats are nestled between the Promontory Mountains and the Great Salt Lake.
Published Oct 4, 2020
In this active tectonic environment, salt squeezes through faults in the rock until it reaches the surface and flows like a glacier.
Published Oct 25, 2015
The salt produced from tidal marshes in southern France is the product of ideal climate conditions and careful management.
Published Apr 4, 2019
Makgadikgadi Pan is one of the largest salt flats in the world.
Published Jul 1, 2019
The red and green colors of the salt ponds in South San Francisco Bay are brilliant visual markers for astronauts. The STS-111 crew photographed the bay south of the San Mateo bridge in June, 2002.
Published Jul 21, 2002
Southeastern Iran is home to numerous salt domes and salt glaciers, which have been built over time by the movement of Earth’s crust.
Published Nov 13, 2017
Once submerged under an arm of the Arabian Sea, this dry lowland is now rich in salt.
Published May 18, 2015
The rocks of Dasht-e Kavir tell tales of a much wetter environment millions of years ago.
Published Feb 17, 2013
An ambitious project in South San Francisco Bay is designed to restore wetlands and marshes, as well as the species that go with them.
Published Feb 11, 2016
The lake between Israel and Jordan provides a bounty of salt and of history.
Published Apr 6, 2012
One of the largest salt pans in the world spreads across northern Botswana, offering critical seasonal oases for mammals and birds.
Published Jul 7, 2018
In the Jordan rift valley, the continents of Africa and Asia are pulling apart from each other, and the land in between has been subsiding for millennia. The sinking has created the Dead Sea.
Published Dec 25, 2005
The lowest spot on dry land, the Dead Sea depression sinks 400 meters (1,300 feet) below sea level.
Published Nov 12, 2006
A new study shows that winds are responsible for the widespread growth of ponds in three watersheds along the Mississippi River.
Published Jul 6, 2017
China’s Bo Hai coast is one example of the rapid expansion of aquaculture in the late twentieth century.
Published Feb 8, 2009
Brightly colored solar evaporation (salt) ponds in the Atacama Desert give this astronaut photo an unreal quality.
Published Jun 1, 2009
