Phase Vl

KOTA MAMA VI - BOLIVIA
22 June - 7 August 2007

The Iturralde Structure is an 8 km wide crater remotely located in the Bolivian Amazon It is perhaps the site of the most recent ‘big’ meteorite impact with Earth. Sergeotechmin, the Bolivian Geological Institute has requested a joint in-depth survey of the area with the SES.

A team of approximately 31 persons from Australia, Bolivia, Britain and Colombia and elsewhere will set out on the expedition to achieve the following objectives:

   
  a geological study of the impact crater
  donation of medical equipment and treatment
  study of the water supply problems at Fatima and Candelaria
  installation of a new water supply system at Ojaki
  give veterinary and agricultural advice to villagers
  investigate the Double Nosed Andean Tiger-Hound
  donation of school books and items for the Ojaki church
  establishing a satellite phone link between Ojaki and British children
  gather information for a supplement to the earlier eco-tourist guide map, showing the area explored during this expedition.
     
    It is hoped that aerial reconnaissance by paramotors will improve access to the crater area, which is extremely challenging. In 2005, the recce party was accompanied by the Ojaki people who have agreed to work with the expedition. In return the SES will install a clean water supply and provide basic dental and medical support for this desperately poor but deeply religious community.
       
  Village schools here lack even the most basic materials and facilities. Drinking water is drawn from the increasingly polluted river by descending steep, slippery banks. The terrain is inhospitable and difficult: savannah, dense jungle and swamp, teeming with snakes and insects.

Satellite images of the crater have revealed a circular feature in the Bolivian Amazon Basin, 400kms NE of La Paz. This 8 km wide structure is thought to be a meteorite impact crater, formed 5000 to 30,000 years ago. Such a collision would have had important biological and geological effects within much of the Amazon Basin and is of great scientific interest. If found to be a very young crater, its creation may be reflected in the indigenous folklore. Conclusive results and answers to many questions remain elusive due to difficult access and adverse conditions.
   
    Our earlier foray into the area found abundant and rich fauna and flora which may attract eco-tourists and boost the local economy. An interesting discovery by the recce party was a strange, double-nosed dog, named Bella at Ojaki, vindicating a much earlier sighting in 1913. It is thought that these dogs were taken to South America by Spanish Conquistadores and called the Double-Nosed Andean Tiger Hound.
       
  We are extremely grateful to J P Knight for sponsoring the boats for this expedition.
       
 
 
 
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