Northern Tanzania.
From dry lake beds.
Natron is white to colorless when pure, varying to gray or yellow with impurities. Natron deposits occur naturally as a part of saline lake beds in arid environments.
It was generally found in the dry lake beds that had been left as a result of hydration and then recession of the water in the Nile Valley.The simple answer is "dried up lake beds."
Lake Victoria is the largest lake near Serengeti. The smaller Lake Natron and Lake Manyara are not far away, either.
In dry lake beds. Also known as soda ash.
Cyanobacteria that grow in the shallow have a red pigment that produce the colors.
salt More specifically, natron, which is a salty ash-like mineral in dry lake and river beds. This, specifically, is what the ancient Egyptians used in their preservation of bodies and organs.
There are actually several lakes in western Tanzania. They are Lake Natron, Lake Tanganiyka, Lake Nyasa, and Lake Rukwa. However I suspect the lake you are wondering about is Lake Victoria
The Nile, the Tigris and the Euphrates river.
The ancient Egyptians used a chemical called Natron to embalm both the organs and the bodies of mummies. Natron is a naturally occurring salt that is very abundant in Africa, often found in dry lake beds.
natron natron