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The Caldera The North route route<br />
© www.coolgeography.co.uk<br />
© Family Leakey<br />
Gemündener Maar, UNESCO Geopark Vulkaneifel<br />
36<br />
Acacia rim site<br />
Acacia abyssinica is one of the highland acacia, commonly<br />
called umbrella thorns. It makes a fine shade and<br />
ornamental tree. It is a tree up to 16 m tall and its bark is<br />
<strong>red</strong>dish-brown on older trees. On younger trees it is pale<br />
yellowish-brown, peeling off in papery wads. Young twigs are<br />
soly hairy.<br />
The wood from this umbrella thorn is of medium weight and<br />
is not durable, however it is used in domesc construcon<br />
for © making Tony Reumerman utensils.<br />
35<br />
Empakai Lake panorama<br />
The Family Empakai Leakey and Crater friends was inside formed the outdoor as a result dining room of volcanic<br />
erupon which occur<strong>red</strong> 3 million years ago and leaves the<br />
volcanic pipe (mouth) opens forming the Empakai Crater.<br />
The open was caused by the sinking or falling of lavas in the<br />
main pipe aer erupon creang a now so called Empakai<br />
Crater which is about 300m deep from its rim. The Crater<br />
Lake is nearly 62m deep and contains salt water; salt (mainly<br />
soda ash or sodium bicarbonate) seen to precipitate (whish<br />
stuffs) at the edges of the lake itself. There are three natural<br />
springs located to the West rim of this observaon point<br />
which fills this lake with fresh water. The Crater is about six<br />
kilometer (6km) cross from one end to another.<br />
Small colony of pink flami<strong>ngo</strong>s can be observed there.<br />
© cessna 206/Flickr<br />
The scienfic name for crater lake is « maar » (which mean<br />
crater in german). Several of them, as Empakai Lake, exist<br />
inside the Global geopark Network. For exemple in UNESCO<br />
Global Geopark Vulkaneifel (Germany) and in UNESCO<br />
Global Geopark Leiqiong (China).<br />
©wikimedia commons<br />
24<br />
© www.swisseduc.ch
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