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publications > open file report > OFR 98-205 > tables > table 6

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Table 6. Strontium-isotope analyses

[Fm.=Formation; do.=ditto; T=Tamiami, U=unnamed; dup.=duplicate sample]

Core Name
depth (ft)
Fm.
87/88Sr*
plus/-
AGE (Ma†)
AGE plus/-
Notes
Collier-Seminole
26.6
T
0.709060
0.000004
3.88
1.5
 
do.
50.0
T
0.709053
0.000005
4.42
1.5
 
do.
65.0
T
0.709054
0.000004
4.34
1.5
 
do.
77.0
T
0.709039
0.000004
5.10
0.5
dup.
do.
77.0
T
0.709054
0.000004
4.34
1.5
dup.
do.
93.4
T
0.709053
0.000006
4.42
1.5
 
do.
105.0
T
0.709051
0.000006
4.57
1.5
 
do.
171.5
U
0.708920
0.000006
9.17
0.5
 
Old Pump Road
27.3
T
0.709057
0.000007
4.11
1.5
 
do.
67.4
T
0.709055
0.000006
4.26
1.5
 
do.
141.0
U
0.708998
0.000004
5.86
0.5
 
do.
170.8
U
0.709009
0.000004
5.70
0.5
dup.
do.
170.8
U
0.709007
0.000005
5.73
0.5
dup.
do.
188.1
U
0.708923
0.000005
9.06
0.3
 
do.
189.1
U
0.708924
0.000006
9.03
0.3
 
do.
190.0
U
0.708921
0.000004
9.13
0.5
 
do.
195.1
U
0.708922
0.000005
9.10
0.3
dup.
do.
195.1
U
0.708912
0.000005
9.48
0.4
dup.
Fak. Strand-RS
27.6
T
0.709054
0.000005
4.34
1.5
 
do.
44.0
T
0.709049
0.000005
4.69
1.5
 
do.
70.0
U
0.708993
0.000006
5.93
0.5
dup.
do.
70.0
U
0.708990
0.000004
5.98
0.5
dup.
do.
76.5
U
0.708987
0.000005
6.04
0.5
 
do.
91.4
U
0.708966
0.000006
6.61
0.5
 
do.
127.5
U
0.708968
0.000006
6.49
1.0
 
do.
132.5
U
0.708985
0.000006
6.08
0.5
 
do.
159.5
U
0.708941
0.000005
7.78
1.5
 
Fak. Strand-Gate 12
12.5
T
0.709053
0.000003
4.42
1.5
 
do.
24.5
T
0.709053
0.000004
4.42
1.5
 
do.
48.0
U
0.708991
0.000006
5.96
0.5
 
do.
58.4
U
0.708984
0.000007
6.10
0.5
 
do.
66.2
U
0.708986
0.000004
6.06
0.5
 
do.
126.2
U
0.708960
0.000005
6.84
1.0
 
do.
218.6
U
0.708927
0.000004
8.92
0.3
 
Picayune Strand SF
25.0
T
0.709063
0.000005
3.66
1.5
 
do.
44.0
T
0.709055
0.000006
4.26
1.5
 
do.
84.7
T
0.709044
0.000004
4.90
1.5
 
*Ratios corrected to 0.709175, which is the value of EN-1 used by Howarth and McArthur (1997).

†Ages are assigned using the data table of Howarth and McArthur (1997). The data from 0-7 Ma use the time scale of Shackleton and others (1994); the rest of the data use the time scale of Cande and Kent (1995).

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