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