Table 2.4: Possible sources of calcite found in Kahoolawe sediments using X-ray 
diffraction analysis based on  mole % Mg content.

Stat
ion
Fracti
on
Mole 
% Mg
Fo
ra
mi
nif
era
ns
Ec
hin
oid
s
Ast
ero
ids
Op
hiu
roi
ds
Br
yoz
oa
ns
Br
ac
hio
po
ds
An
nel
id 
wo
rm
s
Biv
alv
es
Ga
str
op
ods
Cr
ust
ace
ans
Ca
lca
reo
us 
alg
ae















SM10
silt 
0.81




X
X
X

X
X




14.1

X
X
X



X


X
X

fine sand 
3.25

X


X
X


X

X



16.48

X
X
X



X


X
X

coarse 
sand 
3.33

X


X
X
X

X

X



5.92

X
X

X
X
X



X



15.88

X
X
X



X


X
X















SM3
silt 
3.46

X


X
X
X

X

X



14.98

X
X
X



X


X
X

fine sand 
2.87

X


X
X
X

X

X



15.44

X
X
X



X


X
X

coarse 
sand 
7.31

X
X

X
X
X
X


X



14.4

X
X

X
X
X
X


X



18.06

X
X
X



X


X
X


23.91











X















TW10
silt 
1.45

X


X
X
X

X
X
X



5.68

X
X

X
X
X



X



12.86

X
X
X
X
X

X


X
X


16

X
X
X



X


X
X


21.31











X
















fine sand 
3.91

X


X
X
X



X



17.3

X
X
X



X


X
X

coarse 
sand 
4.86

X
X

X
X
X



X


Table 2.4: cont

13.34

X
X
X



X


X
X


16.03

X
X
X



X


X
X


18.4

X
X
X



X


X
X















TW3
silt 
0













fine sand 
2.97

X


X
X
X

X

X



16.39

X
X
X



X


X
X

coarse 
sand 
3.49

X


X
X
X

X

X



13.7

X
X
X



X


X
X


17.14

X
X
X



X


X
X















OP10
silt 
3.11

X


X
X


X

X



11.05

X
X
X
X
X
X
X


X
X


14.18

X
X
X



X


X
X


17.17

X
X
X



X


X
X















OP10
fine 
sand 
2.64

X


X
X
X

X

X



16.01

X
X
X



X


X
X
















coarse 
sand 
5.36

X
X

X
X
X



X



15.94

X
X
X



X


X
X















OP3
silt 
3.38

X


X
X
X

X

X



12.03

X
X
X
X
X

X


X
X


14.9

X
X
X



X


X
X


18

X
X
X



X


X
X
















fine sand 
14.9

X
X
X



X


X
X


16.72

X
X
X



X


X
X
















coarse 
sand 
5.06

X
X

X
X
X



X



16.26

X
X
X



X


X
X


18.99

X
X
X



X


X
X















KUS
silt 
0













fine sand 


Table 2. 4. 
cont
0














Coarse 
sand 
4.54

X


X
X




X



14.33

X
X
X



X


X
X






























WA10
silt 
12

X
X
X
X
X

X


X
X


14.3

X
X
X



X


X
X


17.42

X
X
X



X


X
X


21.13











X
















fine sand 
0




























coarse 
sand 
16

X
X
X



X


X
X


18.48

X
X
X



X


X
X















WA3
silt 
14.93

X
X
X



X


X
X


17.46

X
X
X



X


X
X
















fine sand 
13.6

X
X
X



X


X
X


16.64

X
X
X



X


X
X


19.58







X



X
















coarse 
sand 
16.37

X
X
X



X


X
X


18.24

X
X
X



X


X
X


20.94











X















HK10
silt
0













fine sand 
0













coarse 
sand 
15.8

X
X
X



X


X
X


18.29

X
X
X



X


X
X


20.93











X















BC10
silt 
13.64

X
X
X



X


X
X


15.86

X
X
X



X


X
X


18.5

X
X
X



X


X
X


fine 
sand 
12.4

X
X
X
X
X

X


X
X
Table 2.4 
cont.















fine 
sand
15.21

X
X
X



X


X
X


19.24







X



X

coarse 
sand 
4.08

X


X
X
X



X



12.34

X
X
X
X
X

X


X
X


15.36

X
X
X



X


X
X















BC3
Silt 
10.45

X
X

X
X
X
X


X
X


13.53

X
X
X



X


X
X


17.65

X
X
X



X


X
X

fine 
sand 
14.39

X
X
X



X


X
X


18.79

X
X
X



X


X
X

coarse 
sand
10.37

X
X

X
X
X
X


X
X


15.89

X
X
X



X


X
X






























KM10
silt 
0













fine sand 
4.56

X


X
X
X



X



14.22

X
X
X



X


X
X

coarse 
sand
9.02

X
X

X
X
X
X


X
X


16.22

X
X
X



X


X
X






























KM3
Silt 
0













fine sand 
0













coarse 
sand
0
































