High levels of evaporation have left behind natron ( sodium carbonate decahydrate ) and trona ( sodium sesquicarbonate dihydrate ).
42.
There was over 175 kg of natron in the chamber, some inside the coffins and some inside little sacks.
43.
The Natron Cutoff is on the National Register of Historic Places, considered significant to the period 1905 to 1945.
44.
The inner caldera contains large natron deposits which see some harvesting for domestic animal salt lick use by the local people.
45.
Over a million birds that formerly bred at Elmenteita are now said to have sought refuge at Lake Natron in Tanzania.
46.
Its method is more advanced than traditional mummification, which involved a salt-like preservative called natron and yards of linen.
47.
The Trou au Natron and Doon Kidimi craters have formed even more recently, with the former dissecting the earlier Toussid?calderas.
48.
Sources of alkali could either have been natron from areas such as Wadi Natroun and El-Kab, or plant ash.
49.
After cleansing, the body was then dried out with natron inside the empty body cavity as well as outside on the skin.
50.
The fundamental compositional difference between Western silica-natron glass and the unique Chinese lead glass, however, may indicate an autonomous development.