Geochemical Evidence for the Formation of Soils by Interaction Between Guano and Volcanic Rocks, Rata Island, Fernando de Noronha (Pernambuco)
The phosphatic soils found in the northern part of the Rata island, in the Fernando de Noronha Archipelago, wereformed by reaction of bird guano with weathered mafi c rocks of the Quixaba Formation. Phosphate minerals identifi edinclude crandallite as a major constituent. The unique guano signature...
Main Authors: | , , , , |
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Format: | Article |
Language: | English |
Published: |
Universidade de São Paulo
2009-10-01
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Series: | Geologia USP. Série Científica |
Subjects: | |
Online Access: | http://ppegeo-local.igc.usp.br/pdf/guspsc/v9n3/01.pdf |