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PROJETO RADAMBRASIL

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EST. XIX<br />

1 — GnaisseTonalitico (Complexo GuianenseJ. Fotomicrograf ia LP 25X, amostra do PT-X.B. Aspecto textural<br />

e mineraiogia, podendo-se observar hornblenda, biotita, plagloclasio, quartzo, zircao, apatita e epidoto.<br />

Rio Anaua. Folha NA.21-Y-A.<br />

2 — Hornblenda Gnaisse (Complexo GuianenseJ. Fotomicrografia LP 25X, amostra do PT-Y. Aspecto<br />

mineralógico, onde seobservam "relictos" de piroxênio, hornblenda poiquiloblastica, biotita, plagioclasio<br />

(oligoclasio-andesina), quartzo e opaco. Rio Anauä. Folha NA.21-Y-A.

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