PROGRAMA GEOLOGIA DO BRASIL Contrato CPRM- UFPA Nº

Tabela 3.13: Composições químicas dos leucogranitos potássicos da Folha Marajoara.
Amostra MAF-33 MAR-49A MAR-123 MAR-121 F4/F4 MAR-114 MAR-47A F77/92-29 MAR-103A MAR-14A MAF-11 MAR-164A MAR-129 MAR-102 MAR-97A KY-03 F5/F5 MAR-126 F78/F78R MAR-64A F77/92-31 F67/F67
SiO2 68.86 69.74 70.08 70.32 70.66 70.89 71.05 71.24 71.34 71.39 71.51 71.71 71.93 72.03 72.27 72.29 72.33 72.36 72.36 72.39 72.56 72.78
TiO2 0.45 0.19 0.27 0.21 0.15 0.25 0.36 0.29 0.26 0.27 0.27 0.17 0.20 0.21 0.17 0.11 0.18 0.20 0.18 0.19 0.12 0.21
Al2O3 15.14 16.16 15.40 15.66 15.02 14.60 14.87 14.96 14.86 15.45 14.98 15.22 14.45 14.90 14.99 14.57 14.19 14.28 14.11 14.93 14.58 13.62
Fe2O3 3.21 1.71 1.95 1.71 1.24 2.10 2.09 1.61 2.15 1.55 2.20 1.26 1.85 1.68 1.40 0.90 1.51 1.66 1.69 1.50 1.13 2.33
FeO 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
MgO 1.03 0.58 0.77 0.59 0.33 0.82 0.49 0.39 0.61 0.45 0.56 0.35 0.65 0.51 0.42 0.15 0.41 0.52 0.40 0.45 0.29 0.80
CaO 2.81 1.91 2.31 2.09 1.72 2.03 1.76 1.37 2.21 2.19 2.40 1.90 1.57 2.19 1.97 1.26 1.17 1.15 1.71 2.05 1.43 1.65
Na2O 4.44 5.11 4.87 4.98 5.46 4.56 4.37 4.62 4.44 4.90 4.60 5.02 4.11 4.92 4.86 3.80 4.47 4.05 4.75 4.92 4.75 3.85
K2O 2.68 3.05 2.91 3.31 3.32 3.44 4.24 4.72 2.76 2.87 2.82 3.24 4.44 2.46 2.98 4.75 4.19 4.65 3.47 2.64 3.94 4.36
P2O5 0.16 0.08 0.10 0.08 0.16 0.10 0.12 0.12 0.09 0.09 0.09 0.06 0.08 0.08 0.06 0.04 0.19 0.07 0.17 0.07 0.07 0.18
MnO 0.04 0.02 0.03 0.02 0.00 0.03 0.02 0.02 0.03 0.02 0.04 0.02 0.03 0.02 0.02 0.02 0.01 0.02 0.02 0.02 0.02 0.02
PF 1.10 1.30 1.00 0.70 1.00 0.60 1.00 0.80 0.50 0.80 0.50 0.90 0.70 0.90 0.70
Total 99.92 99.85 99.69 99.67 98.06 99.82 99.97 99.34 99.75 99.98 99.97 99.75 99.81 99.90 99.84 97.89 98.65 99.86 98.86 99.86 98.89 99.80
Ba 1172.8 1281.4 1169.5 1435.9 1217.7 1364.6 1722.0 990.7 977.5 1087.1 1020.2 975.9 784.7 1246.9 721.8 1066.4 1056.0
Be 1 2 2 1 1 3 1 1 1 1 1 1 1 2 1
Co 29.50 43.30 51.70 60.70 62.40 23.60 38.90 25.00 50.90 23.60 55.50 61.50 72.30 53.50 33.60
Cs 1.70 4.70 1.40 1.00 4.50 11.10 1.90 1.50 2.40 0.90 7.60 4.10 1.20 2.90 1.20
Ga 19.60 21.40 19.40 19.30 20.40 22.50 21.30 20.40 20.60 19.40 20.20 16.70 23.60 21.20 17.50 21.10 24.60
Hf 3.70 3.20 4.20 3.10 4.10 6.30 4.71 4.00 3.80 3.40 2.70 4.10 3.80 2.70 3.70 3.20 3.11
Nb 6.1 5.1 5.5 4.2 6.3 11.0 5.0 8.1 5.4 7.4 5.6 6.7 6.6 4.2 9.0 5.4 6.7 13.2
Rb 77.80 97.40 83.70 77.90 127.60 179.50 142.00 97.10 95.00 121.20 80.80 185.60 95.60 63.80 238.00 175.60 70.40 138.00
Sn 1.00 1.00 1.00 1.00 1.00 1.00 1.00
Sr 554 584 737 725 673 573 665 354 389 517 534 374 567 696 146 281 650 577
Ta 1.70 1.90 2.10 2.10 2.00 2.60 2.30 2.10 2.90 2.10 2.60 2.70 1.90 2.10 2.40
Th 5.00 3.40 5.10 4.60 7.60 19.50 22.30 5.90 6.90 14.30 3.00 16.60 3.30 2.30 15.30 5.00 15.40
U 2.50 0.70 1.10 2.00 3.90 4.70 2.00 2.60 4.90 1.00 6.10 0.50 0.40 4.90 2.10
V 43 20 29 19 24 23 21 19 29 18 23 19 22 16 18
W 197.1 323.2 363.7 412.4 443.8 172.3 290.5 174.2 360.9 151.8 388.6 436.6 482.2 379.0 235.0
Zr 132.0 87.8 112.4 91.8 104.1 233.4 201.0 128.6 128.3 104.7 81.6 115.8 100.3 89.7 105.0 95.1 95.6 94.5
Y 12.6 28.6 11.6 3.1 40.5 6.4 3.3 8.0 5.7 8.0 6.2 5.7 6.4 5.1 9.0 13.6 6.3 8.1
Mo 0.30 0.40 0.30 0.30 0.50 0.60 0.40 0.40 0.60 0.30 0.60 0.40 0.30 0.50 0.40
Cu 54.2 37.7 13.1 10.4 67.8 13.4 118.3 6.6 15.9 6.3 8.1 89.8 53.7 31.8 26.6
Pb 5.7 7.6 2.7 3.4 5.0 12.9 3.6 9.3 7.6 4.6 7.4 3.8 4.0 8.1 4.5
Zn 47 33 40 28 43 45 39 39 35 31 26 46 36 23 46
Ni 7.6 11.4 10.6 8.1 12.4 5.7 9.6 3.4 3.8 5.2 7.5 8.1 7.0 6.1 7.5
As