PROGRAMA GEOLOGIA DO BRASIL Contrato CPRM- UFPA Nº
PROGRAMA GEOLOGIA DO BRASIL Contrato CPRM- UFPA Nº
PROGRAMA GEOLOGIA DO BRASIL Contrato CPRM- UFPA Nº
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Tabela 3.7: Dados de análises modais dos granitos anorogênicos da Folha Marajoara.<br />
Fácies Petrográficas Granitos portadores de Anfibólio+ Biotita±Clinopiroxênio (PPY3ba e PPY3Mua)<br />
Variedades Petrográficas Biotita-anfibólio-Granodiorito Biotita-anfibólio-monzogranito<br />
Amostra / Mineral KM-73A KM-85A Média ADR-218 ADR-241 ADR-67 ADR-68B ADR-78A CREMU-29B KM-134 KM-68 KM-87A Média<br />
Quartzo 20.2 25.2 22.70 32.7 29.5 30 36.2 28.6 26.1 31.2 25.5 34 30.42<br />
Plagioclásio 48.3 41.1 44.70 35.1 33.7 35.6 29.5 34 31.3 27.1 37 28.2 32.39<br />
Microclínio 20 19 19.50 20.3 30.8 23.7 29.3 24.6 24.3 30.4 25.1 26.6 26.12<br />
Biotita 2.9 1.4 2.15 3.4 1.3 2.6 1.2 2.4 2.1 3.6 1.8 3.2 2.40<br />
Anfibólio 7 8.8 7.90 4.6 2.6 4.4 1.5 6.2 10.7 3.8 8.4 4.9 5.23<br />
Clorita 0.8 0.40 0.3 0.2 0.1 0.9 0.4 0.3 0.24<br />
Opacos 0.7 2.5 1.60 2.7 0.4 1.1 0.7 1.3 1.9 1.6 1.6 1.8 1.46<br />
Titanita 0.9 0.8 0.85 0.2 0.1 0.2 1.6 1 0.2 0.6 0.43<br />
Allanita 0.1 0.05 0.8 1.3 0.3 0.4 0.2 0.33<br />
Fluorita 0.00 0.00<br />
Apatita 0.2 0.10 1.4 0.7 0.1 0.24<br />
Acessórios 0.1 0.05 0.3 0.2 0.4 0.2 0.2 0.2 0.3 0.20<br />
Clinopiroxênio Tr Tr 0.00 0.2 0.3 0.6 1 0.23<br />
Muscovita 0.00 0.00<br />
Máficos 11.50 14.40 12.95 11.90 5.90 8.60 4.20 12.30 16.70 10.40 12.20 10.80 10.33<br />
A+P 68.5 66.3 67.40 67.8 63.2 65.6 65.7 62.6 57.4 58.3 62.5 62.2 62.81<br />
Microclínio* 22.60 22.27 22.44 23.04 32.77 26.54 30.84 28.21 29.74 34.27 28.65 29.95 29.34<br />
Quartzo* 22.82 29.54 26.18 37.12 31.38 33.59 38.11 32.80 31.95 35.17 29.11 38.29 34.17<br />
Plagioclásio* 54.58 48.18 51.38 39.84 35.85 39.87 31.05 38.99 38.31 30.55 42.24 31.76 36.50<br />
Programa Geologia do Brasil – Folha Marajoara<br />
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