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RORAIMA: Charnockite rocks. South Central Roraima.
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RORAIMA: Granitic rocks. Southeast of Roraima.
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RORAIMA: Granitic rocks. Southeast of Roraima.
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RORAIMA: Volcanic effusive rocks. North of Roraima.
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RORAIMA: Serra do Tepequém. Sedimentary rocks.
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AMAZONAS: São Gabriel da Cachoeira.
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AMAZONAS: Pyroclastic rocks. Southeast Amazonas.
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AMAZONAS: Rapakivi granites. Southeast Amazonas.
