PROGRAMA GEOLOGIA DO BRASIL Contrato CPRM- UFPA Nº

Tabela 3.5: Dados de análises modais dos leucogranitos potássicos da Folha Marajoara.
Variedades Petrográficas Granodioritos Anfibólio-biotita leucomonzogranito
Amostra / Mineral KY-24B KY-100C KY-89B KZ-22 MAR-114 MAR-121 MAR-123 MAR-49A MAR-64A F-4 KY-75 Média MAR-130A MAR-132 MAR-126 MAR-127 MAR-129
Quartzo 36.30 39.80 40.10 27.60 23.60 27.70 26.20 27.80 27.90 26.34 34.20 30.69 20.00 25.10 33.00 25.40 26.00
Microclínio 7.00 9.80 8.70 15.00 24.40 19.30 18.60 13.30 16.70 20.58 9.60 14.82 32.30 19.20 25.10 25.60 29.10
Plagioclásio 50.50 41.10 40.40 52.10 44.00 46.00 44.60 46.70 47.80 49.52 51.20 46.72 40.70 45.80 37.60 44.80 40.20
Biotita 3.70 5.00 4.60 2.30 3.20 4.00 4.70 5.00 4.20 0.05 0.70 3.40 3.10 4.20 0.80 1.70 2.10
Anfibólio - - - - - - - - - - - - 0.30 1.40 Tr Tr Tr
Epidoto 1.10 4.10 5.90 2.60 3.30 1.90 4.80 3.60 1.40 2.15 2.80 3.06 2.10 2.90 0.80 0.70 1.30
Clorita 0.30 - - 0.20 0.10 0.20 0.20 0.20 0.50 0.55 0.40 0.29 0.30 0.20 0.70 0.80 -
Muscovita 0.10 - - - 0.40 0.10 0.10 2.60 0.50 0.78 0.60 0.65 0.40 0.10 1.20 0.40 0.30
Opacos 0.90 0.10 - - - 0.20 - 0.50 0.05 0.20 0.33 0.30 0.10 0.40 0.20 0.50
Apatita - - - - - - - - - - - - - 0.10 - - -
Titanita - - 0.10 - 0.60 0.30 0.40 0.40 0.20 - - 0.33 - 0.90 0.10 0.20 0.10
Zircão - - - 0.10 - - - - - - - 0.01 - - - - -
Máficos 6.00 9.20 10.60 5.10 7.20 6.40 10.30 9.20 6.80 2.80 4.10 7.06 6.10 9.70 2.80 3.60 4.00
A+P 57.50 50.90 49.10 67.10 68.40 65.30 63.20 60.00 64.50 70.10 60.80 61.54 73.00 65.00 62.70 70.40 69.30
Microclínio* 7.46 10.80 9.75 15.84 26.52 20.75 20.81 15.15 18.07 21.34 10.11 16.06 34.73 21.31 26.23 26.72 30.54
Quartzo* 38.70 43.88 44.96 29.14 25.65 29.78 29.31 31.66 30.19 27.31 36.00 33.33 21.51 27.86 34.48 26.51 27.28
Plagioclásio* 53.84 45.31 45.29 55.02 47.83 49.46 49.89 53.19 51.73 51.35 53.89 50.62 43.76 50.83 39.29 46.76 42.18
Continuação
Programa Geologia do Brasil – Folha Marajoara
Biotita Leucomonzogranitos
F-54 F-57E F-79B KY-02 KY-03 KY-04 KY-07C KY-100A KY-156 KY-158 KY-159 KY-27B KY-31B KY-36D KY-36E KY-48 KY-77B KY-85A KY-86A KY-88G KY-88H KY-89D
38.07 34.57 26.58 24.70 27.00 34.70 28.90 31.50 31.90 47.20 28.40 31.40 31.90 30.50 39.80 24.40 28.50 30.80 20.90 33.80 36.00 40.20
25.16 33.13 25.96 40.30 35.60 23.20 31.30 31.00 25.20 17.10 28.20 36.40 23.20 28.60 15.30 31.80 33.00 24.80 40.10 21.80 22.30 18.50
29.95 24.38 40.81 29.50 31.80 35.60 33.50 31.00 36.40 29.50 37.50 26.80 33.20 31.40 36.00 37.10 30.70 35.80 32.10 37.80 35.50 32.30
1.70 4.12 0.91 2.50 2.60 3.60 3.60 2.10 3.30 4.60 1.30 1.60 7.80 5.80 2.30 0.70 5.00 7.30 0.70 4.20 1.40 2.60
- - - - - - - - - - - - - - - - - - - - - -
2.65 1.03 3.70 2.60 2.50 1.80 2.10 3.80 2.80 1.10 3.10 3.50 3.30 3.30 4.00 3.20 0.30 0.90 4.80 1.60 3.60 6.20
1.85 1.85 0.94 0.10 - 0.10 0.20 0.20 - - 0.70 0.10 - 0.10 - 1.50 0.30 0.20 1.20 0.10 0.20 -
- - 0.91 - 0.20 - - - - - 0.30 - 0.35 - - 0.60 - - - 0.20 - -
0.06 0.89 0.19 - 0.10 0.10 0.30 0.10 0.20 0.20 0.20 0.10 - - 2.00 0.10 - - - - 0.60 -
- - - - 0.10 0.10 - - 0.10 0.10 - - 0.10 0.10 0.10 0.10 0.10 0.10 - 0.10 -
- - - - - 0.10 - 0.10 - - 0.10 0.10 - - 0.10 0.20 2.00 - - - 0.10 -
- - - - - 0.10 - - - - - - 0.15 - - - - - - 0.20 - -
6.26 7.89 5.74 5.20 5.20 5.70 6.20 6.30 6.30 5.90 5.40 5.40 11.10 9.20 8.40 5.70 7.60 8.40 6.70 5.90 5.90 8.80
55.11 57.51 66.77 69.80 67.40 58.80 64.80 62.00 61.60 46.60 65.70 63.20 56.40 60.00 51.30 68.90 63.70 60.60 72.20 59.60 57.80 50.80
27.00 35.98 27.81 42.65 37.71 24.81 33.40 33.16 26.95 18.23 29.97 38.48 26.27 31.60 16.79 34.08 35.79 27.13 43.07 23.34 23.77 20.33
40.86 37.54 28.47 26.14 28.60 37.11 30.84 33.69 34.12 50.32 30.18 33.19 36.13 33.70 43.69 26.15 30.91 33.70 22.45 36.19 38.38 44.18
32.14 26.48 43.72 31.22 33.69 38.07 35.75 33.16 38.93 31.45 39.85 28.33 37.60 34.70 39.52 39.76 33.30 39.17 34.48 40.47 37.85 35.49
44