ore deposit geology

5:28

22:15

23:05

1:20

6:01

8:13

7:01

2:59

5:43

8:35

6:29

4:12

3:59

3:47

4:31

5:56

4:32

14:42

5:31

10:27

9:32

5:13

19:13

2:25

1:19:43

7:03

1:04

2:01:09

1:07:10

4:17

40:26

38:36

15:25

8:07

9:00

12:43

کوتاه

1:02:40

2:14:03

کوتاه