Abstract
The vegetal species Ampelozizyphus amazonicus Ducke (Rhamnaceae Family) was chosen as sampling media in the lateritic surfaces of the Pitinga Mine, Amazon region, with the purpose to study the biogeochemical behavior of the REE elements in soils derived from granitic and volcanic rocks. The results showed that the species A. amazonicus concentrates predominantly significant values of REE over volcanic soils and reflects the pattern inherited from the source rock. Some variations resultant from fractionation of the elements of the series, such as the tetrad effect, was also detected in the REE biogeochemical patterns.
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