Černá Voda (u ulové)
Tabulka 2. Chemické sloení biotitů (stanoveno EDX) v granitu z Černé Vody. Přepočet na 12 (O + OH + Cl), voda dopočtena.
1 | 2 | 3 | 4 | |
SiO2 | 36,412 | 37,401 | 37,126 | 36,082 |
TiO2 | 3,894 | 3,820 | 3,873 | 4,032 |
Al2O3 | 15,806 | 16,940 | 16,633 | 15,747 |
FeO | 24,567 | 22,841 | 24,025 | 25,579 |
MnO | 0,353 | 0,288 | 0,298 | 0,494 |
MgO | 6,606 | 6,451 | 6,873 | 6,073 |
K 2O | 9,547 | 9,343 | 9,169 | 9,484 |
Cl | 0,000 | 0,875 | 0,000 | 0,724 |
H2O | 3,909 | 3,762 | 3,977 | 3,730 |
suma | 101,094 | 101,721 | 101,974 | 101,945 |
Si+4 | 2,793 | 2,815 | 2,799 | 2,764 |
Ti+4 | 0,225 | 0,216 | 0,220 | 0,232 |
Al+3 | 1,429 | 1,503 | 1,478 | 1,422 |
Fe+2 | 1,576 | 1,438 | 1,515 | 1,639 |
Mn+2 | 0,023 | 0,018 | 0,019 | 0,032 |
Mg+2 | 0,755 | 0,724 | 0,772 | 0,694 |
K+ | 0,934 | 0,897 | 0,882 | 0,927 |
Cl | 0,000 | 0,112 | 0,000 | 0,094 |
OH | 2,000 | 1,889 | 2,000 | 1,906 |
kat.suma | 7,735 | 7,610 | 7,684 | 7,709 |