chapter 26.3 Flashcards
define clasts
such small rocks and minerals are called clasts
what types of erosion are rocks on Earth’s surface exposed to
rock on earths surface are exposed to water
what does it mean if clasts are being transported
they become rounded
what does it mean if clasts are being deposited
physical disenegration
define pore space
the empty space in between the grains is called pore space
define compaction
process of which clasts stick together due to the weight of overlying material
define cementation
minerals precipitate slowly out of water solution and crystallize in the spaces between clasts
how are sedimentary rocks formed?
mostly made of clasts
what is another name for clasts
detritus
what are sedimentary rocks called that are mostly made of clasts?
denital sedimentary rock
what is the decreasing size of clasts
gravel sand slit or clay
which clast size would be deposited first
the size of it
what are 4 common detrial sedimentary rocks
sandstone limestone sheil and gravel
how are chemical sedimentary rocks formed?
from water that contains dissolved solids
if sedimentary rocks contain remains of living organisims what are they called?
bio chemical
