sedimentary rocks Flashcards
1
Q
how do chemical sedimentary rocks form?
A
when minerals dissolved in groundwater crystallize within the sediments or when water evaporates leaving behind crystals
2
Q
how do biogenic sedimentary rocks form?
A
when dead plant matter or animal remains are cemented together.
3
Q
how do clastic sedimentary rocks form?
A
when sediments are laid down by wind, water, gravity and ice then compacted and cemented.