Light minerals | Um Irna F. | Ma’in F. |
Particles | 72 - 81 | 72 - 83 |
Quartz | 76 - 100 | 86 - 99 |
K-feldspar | 1 - 15 | 1 - 10 |
Plagioclase | 0 - 3 | 0 - 2 |
Muscovite | 0 - 1 | - |
Biotite | 0 - 4 | - |
Detrital matrix | 7 - 12 | 0 - 10 |
Cement | 8 - 16 | 10 - 26 |
Qz/F | 4 - | 7 - 99 |
Heavy minerals |
|
|
Zircon | 48 - 81 | 14 - 61 |
Tourmaline | 4 - 33 | 13 - 76 |
Rutile | 13 - 22 | 3 - 25 |
Anatase, Brookite | 2 - 4 | 3 - 6 |
Epidote (aggreg.) | 0 - 1 | 0 - 3 |
Opaque | 0 - 1 | 0 - 3 |
Cement minerals | Quartz syntaxial overgrowth | Quartz syntaxial overgrowth |
Kaolinite | Calcite, dolomite | |
Illite/smectite mixed l. | kaolinite | |
Hematite | Hematite | |
Chlorite | Chlorite | |
Kaol./Ill. = 2.5 | Kaol./Ill. = 7.3 |