Table
6. Miocene biohorizons from Leg 167 before earliest paleomagnetic
stratigraphy.
Notes: CK95 = age
following Cande and Kent (1995). NR = not recorded. Stratigraphic depths
reported here represent a midpoint between constraining samples.
Event
CK95
(Ma)Depth (mcd)
LCO
R. californica
6.65
NR
185.78
223.66
FO
A. primus
7.4
83.67
213.76
210.30
LCO
T. schraderi
7.6
91.23
223.44
230.26
LO
M. convallis
7.7
91.03
225.26
NR
FO
D. quinqueramus/berggrenii
8.2
88.17
241.12
217.03
FCO
T. schraderi
8.4
Diachronous
249.24
253.29
LCO
D. simonsenii
8.6
105.13
255.54
253.29
LO
D. dimorpha
9.16
112.07
274.80
262.08
FO
T. schraderi
9.5
Diachronous
—
278.29
LO
D. hamatus
9.5
114.23
—
NR
FO
Minylitha convallis
9.8
114.23
—
274.04
FO
D. dimorpha
9.9
115.71
—
278.29
FO
D. hamatus
10.4
132.66
—
NR
FO
D. bellus
10.5
132.66
—
281.44?
FO
C. coalitus
10.8
132.66
—
291.27?
LCO
D. praedimorpha
11.5
140.40
—
304.61
LO
C. floridanus
11.6
156.11
—
NR
FO
D. kugleri
12.0
152.25
—
NR
LO
C. premacintyrei
12.1
170.04
—
NR
FO
D. praedimorpha
12.9
172.37
—
<325.61
FCO
D. simonsenii
13.1
192.81
—
—
LO
S. heteromorphus
13.6
203.65
—
—