83
Composition of the Major Components of Seawater
27°00'
55'
26°50'
91°25'
30°
95°
NW Gulf of Mexico
LA
2 0 0 m
O r c a B a s in
T e x a s
90°
26°
20'
90°15
1900
2 0 0 0
2 1 0 0
2 2 0 0
2 2 5 0
2 1 0 0
2 0 0 0
1 9 0 0
1 8 0 0
1 8 0 0
2 3 0 0
2 4 0 0
2 2 0 0
2 4 0 0
2 3 0 0
1 9 0 0
2000 m
Figure 2.22
Location of the Orca Basin in the Gulf of Mexico.
Na +
Mg 2+
Cl
–
Seawater
Orca Basin
Red Sea
Na +
Na +
Cl –
Cl
–
Mg 2+
Ca 2+
Mg
2+
Ca 2+
Ca
2+
K +
K +
SO 4
2–
SO 4
2–
SO 4
2–
HCO 3
–
Figure 2.21
Comparison of the composition of various brines to average seawater.
Composition of the Major Components of Seawater
27°00'
55'
26°50'
91°25'
30°
95°
NW Gulf of Mexico
LA
2 0 0 m
O r c a B a s in
T e x a s
90°
26°
20'
90°15
1900
2 0 0 0
2 1 0 0
2 2 0 0
2 2 5 0
2 1 0 0
2 0 0 0
1 9 0 0
1 8 0 0
1 8 0 0
2 3 0 0
2 4 0 0
2 2 0 0
2 4 0 0
2 3 0 0
1 9 0 0
2000 m
Figure 2.22
Location of the Orca Basin in the Gulf of Mexico.
Na +
Mg 2+
Cl
–
Seawater
Orca Basin
Red Sea
Na +
Na +
Cl –
Cl
–
Mg 2+
Ca 2+
Mg
2+
Ca 2+
Ca
2+
K +
K +
SO 4
2–
SO 4
2–
SO 4
2–
HCO 3
–
Figure 2.21
Comparison of the composition of various brines to average seawater.