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Volcano Tourism in Ethiopia and the Danakil Rift Zone   51






































                     Figure 3.5  Arrival on Erta Ale: The expedition in 2002 used an MI-8 military helicopter for transport to the crater
                     Source: Jens Edelmann
                     Thus, the easiest way to reach Erta Ale in those   tourism  itineraries.  Although  pure  sylvite,
                     wild  days  was  to  charter  an  Ethiopian  Army   karnalite and kainite and of course halite (NaCl)
                     helicopter  (Figure  3.5).  The  flight  in  the  old   are relatively colourless, inclusion of various ions
                     Russian MI-8 from Mekele, a town in the north   in the salt crystals is responsible for the variety of
                     Ethiopian Highlands, into the depression already   colours  encountered  in  the  Dallol  area
                     had an air of adventure about it, even before the   (Figure  3.6)  which  are  in  stark  contrast  to  the
                     main  adventure  started. The  helicopter  was  fast   predominantly white halite crust found in most
                     and could carry a huge load of tourists, luggage   of  the  depression.  The  colourful  springs  thus
                     and the water supplies made necessary by daytime   derive their colours mainly from ferrous chloride
                     temperatures of well over 40°C in the shade-free   and iron hydroxide (both white-greenish), ferric
                     depression. It also was able to land within the Erta   chloride (yellow-brown) and iron oxide (brown).
                     Ale caldera, less than 100 metres away from the   The  active  springs  are  usually  white  or  yellow,
                     active  pit  crater. The  huge  expense  and  limited   whilst older inactive springs end up rust-coloured
                     availability of the helicopter are, however, problems   as the result of ongoing oxidation processes. The
                     that prevent its use today.                iron may be derived from the underlying basaltic
                                                                intrusion.
                     Multicoloured brine springs
                     The hot springs at Dallol Mountain are renowned   Risk management
                     for  their  stunning  white,  yellow  and  red   Development in the Danakil is still restrained by
                     colourations. As  a  result,  tourism  at  the  site  is   the constant threat of war, and famine and poverty
                     gradually  increasing. While  early  visitors  were   remain an issue, irrespective of whether or not the
                     scientists  or  photographers,  Dallol  is  gradually   volcano and lava lakes are active. Ethiopia still is
                     being integrated in more mainstream adventure   one of the poorest countries in Africa, with the







       Ch03.indd   51                                                                              3/28/2010   1:26:53 PM
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