geology quiz 2 Flashcards
(13 cards)
1
Q
allochthonous
A
transported from elsewhere, siliclastic
2
Q
autochthonous
A
produced in place, carbonate
3
Q
carbonate
A
sediment from marine environments, biogenic material
4
Q
siliciclastic
A
sediment formed from eroded rocks
5
Q
facies
A
body of rock characterized by certain physical, chemical, biological traits
6
Q
sorting
A
distribution of grain size
7
Q
roundness
A
degree of smoothness/erosion of grains
8
Q
intraclast
A
siliciclastic grains in carbonate
9
Q
ooid
A
spherical carbonate grains
10
Q
bioclast
A
fossils in carbonate rock
11
Q
micrite
A
microcrystalline calcium carbonate, chalky
12
Q
gulf trough
A
brought siliciclastic sediment to Florida’s carbonate platform
13
Q
calcareous
A
consisting mostly of calcium carbonate
