Table 1.7. Shares of various sources of carbonate material in the formation of medium and fine fractions of reef bottom sediments; data by
Hoskin (1966) Stoddart (1969) Maxwell (1968) Thomassin and Masse (1985)
Location
Corals
Coralline
Halimeda
Molluscan
Foraminifera
Other skeletal
algae
shells
material
Johnston atoll
20
51
1
10
2
16
Rongerik atoll (lagoon)
19
25
6
11
39
Enivetok atoll (lagoon)
12
28
3
30
26
Rongelap atoll (lagoon)
7
43
8
16
26
Bikini atoll (lagoon)
1
43
8
8
35
Cocos atoll (lagoon)
45
18
11
15
3
8
Barrier reef Batabano (Cuba)
10
10
30
10
10
Ragged I.
reef (Bahamas)
12
18
19
18
13
4
Andres reef, same
24
33
17
6
12
6
GBR, Australia (flat)
20-40
17-40
10-30
Up to 15
8-20
Up to 5
Same (lagoon)
Up to 15
Up to 15
Up to 65
20-30
15-40
15-30
Reefs off New Caledonia
21
11
12
35
9
10
tl:l
90
S
[Jl
(b
03'
(b
a
en
N
'D