Geology of a diverse country
The general geology of the country Basari (Senegal, Africa) is modeled by an alternation of the complex metamorphic and plutonic. It has a plane with the general geology of Senegal. Manifestly, this basic configuration is completed at local level on these complex consequences of the ongoing processes of erosion and sedimentation, the results can be seen on the surface of the area.
In the short visit it was confirmed that setting and see extra details. In the cascade of Dindifelo, probably caused by a fault, attests the massive presence of quartzite around his forehead. The climb to the waterfall is developed by a stream in the foothills formations, naturally thicker as you approach that.
At the crest crowns a rocky formed very dark. An Internet webscan can show us that it is similar to those of Guadarrama (Spain), while the increase is across a stretch in which outcrops of slate appreciated.
The sand of the beaches: from granitic rocks and quartzite
Moreover, in both locations the soil was usually sandy and rocks haven't been detected, except in a few localized spots, doubtless clay items have been washed away. The sandy nature was logical to locate both in plains at the foot of rocks of granitic and quartzite which, as it decomposes, creating the sand noted. A very small depth of the sand appears to be crusts, by cementing a normal activity (perhaps by wetting and drying).
As is understood, metamorphic and plutonic rocks aren't conducive to groundwater, particularly the second, while the sand is a good material for the manipulation of groundwater, storage capacity and water movement.
The depth of water table in area of Bandafasi (about five or six m measured in two distant wells) might be related to these scabs or topography, as there appeared to be declining across the road. On the ground was waterlogged the region of Dindefelo and appreciate input streams of water to carry away from within the channel.
Yakaar Africa is a non-profit organization (ONG Africa) for the development of Senegal
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