Nature of the sample

Granular class

Initial weight P0 (g)

Weight after wash P1(g)

Weight of element

< 1.6 mm P2(g)

MDE Coefficient

(%)

MDE Average (%)

Basalt 8/14

10/14

500

444

56

11.2

11.10

445

55

11.0

Basalt 3/8

4/6.3

500

438

62

12.4

12.60

436

64

12.8