The alkali salt crust on the surface of the lake is also often colored red or pink by the salt-loving microorganisms that live there.
22.
Around 15, 438 ?80 BP ( the Tauca Ia phase ), water levels in Salar de Uyuni were higher than the current salt crust.
23.
Sel gris was used to season water for boiling vegetables or pasta, for making salt crusts for baking fish and for preserving salmon and duck.
24.
The lake filled in 1897 and again in April 1989 . It has a thin salt crust with red-brown clays beneath, which are soft and boggy.
25.
When the ground is partly dried, a salt crust forms over soft mud or hollow cavities, and a vehicle will become stuck after breaking through the crust.
26.
Both comprise lagoons lying over the Salar de Atacama, the largest salt flat in Chile at an altitude of 2, 305 metres with an extensive salt crust.
27.
Adjacent to the pool, where water is not always present at the surface, repeated freeze thaw and evaporation cycles gradually push the thin salt crust into hexagonal honeycomb shapes.
28.
After cooking, the cooking water is removed and the potatoes are briefly left in the pot on the stove to dry off, until they become shrivelled with a fine salt crust.
29.
Check for doneness by inserting the tip of a knife through the salt crust into the thickest part of the fish and wedging it slightly to see if the flesh is cooked.
30.
Dating has been aided by the deposition of both loess and salt crust layers which suggest alternating dryness and humidity and which can be synchronized with glacial activity in the Northern Hemisphere.
