Rock Textures Flashcards
1
Q
what are rocks made out of ?
A
Grains
2
Q
What is each grain made out of
A
Mineral
3
Q
what rock has rounded grains
A
sandstone
4
Q
features of rounded grains
A
it is permeable, because water can get into the gaps between the grains
5
Q
what rock has interlocking grains
A
granite
6
Q
features of interlocking grains
A
they are sometimes called crystals, not porous
