ch 26.3 Flashcards
define clasts
small rock and mineral particles
what types of erosion are rocks on earth’s surface exposed to
water wind other forces
what does it mean if casts are being transported
they are being move
what does it mean if clasts are being deposited
they are being placed
define pore space
open space
define compaction
stick together due to weight
define cementation
minerals precipitate slowly out of water and goes into pore space
how are sedimentary rocks formed
compaction and cementation work together to make them form
what is another name for clasts
detritus
what are sedimentary rocks called that are mostly made of clasts
detrital sedimentary rock
what is the decreasing size of clasts
gravel sand silt clay mud
which clast size would be deposited first
gravel
what are 4 common detrial sedimentary rocks
shale sandstone silt stone conglomerate
How are chemical sedimentary rocks formed
water that contains disolved solids
if sedimentary rocks contain remains of living organisms what are they called
biochemical sedimentary rocks
