Rock List

Rock Identification Test

( These areas are 'active', if you click on a blue box you will go to information about that rock)

Typical sizes of sedimentary grains:

Pebbles

4 to 64 mm

Grit

2 to 4 mm

Sand

0.06 to 2 mm

Mud / Silt

0.004 to 0.06 mm

Rock List

Rock Identification Test