Channell, James E T; Rio, Domenico; Sprovieri, Rodolfo; Glacon, Georgette (1990): Biostratigraphic events close to the Tortonian-Messinian boundary at ODP Hole 107-654A (Table 1) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.746167, Supplement to: Channell, JET et al. (1990): Biomagnetostratigraphic correlations from Leg 107 in the Tyrrhenian Sea. In: Kastens, KA; Mascle, J; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 107, 669-682, https://doi.org/10.2973/odp.proc.sr.107.180.1990
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Abstract:
Correlations of biostratigraphic datums to the geomagnetic reversal time scale (GRTS) at Leg 107 sites provide a means of correlating these datums to sections outside the Mediterranean. Unfortunately, poor recovery and core deformation due to rotary drilling at Sites 651, 652, and 654 severely hampered efforts to acquire detailed magnetostratigraphies and biostratigraphies. However, many biostratigraphic markers could be correlated to the GRTS, including those close to the Miocene/Pliocene and Tortonian/Messinian boundaries. These boundaries are interpreted to occur in Chrons 3r and 3B, respectively (chron nomenclature after Cox, 1982). Comparison of the correlation of Plio-Pleistocene calcareous plankton biostratigraphic events to the GRTS in the Mediterranean and in the open oceans indicates that many events are broadly synchronous between the two environments. The outstanding exception is the first occurrence of Globorotalia margaritae which is delayed in the Mediterranean by about 1 m.y.
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Latitude: 40.579300 * Longitude: 10.696700
Date/Time Start: 1986-02-03T10:40:00 * Date/Time End: 1986-02-08T15:15:00
Minimum DEPTH, sediment/rock: 369.76 m * Maximum DEPTH, sediment/rock: 389.68 m
Event(s):
107-654A * Latitude: 40.579300 * Longitude: 10.696700 * Date/Time Start: 1986-02-03T10:40:00 * Date/Time End: 1986-02-08T15:15:00 * Elevation: -2208.0 m * Penetration: 473.8 m * Recovery: 239.84 m * Location: Tirreno Sea * Campaign: Leg107 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 52 cores; 473.8 m cored; 0 m drilled; 50.6 % recovery
Comment:
Ages of events based on the magnetostratigraphy.
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Sample code/label | Sample label | Channell, James E T | DSDP/ODP/IODP sample designation | ||
| 2 | Sample code/label 2 | Sample label 2 | Channell, James E T | DSDP/ODP/IODP sample designation | ||
| 3 | DEPTH, sediment/rock | Depth sed | m | Geocode | ||
| 4 | Depth, top/min | Depth top | m | Channell, James E T | ||
| 5 | Depth, bottom/max | Depth bot | m | Channell, James E T | ||
| 6 | Ageprofile Datum Description | Ageprof dat des | Channell, James E T | |||
| 7 | Age model | Age model | ka | Channell, James E T |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
42 data points
Data
| 1 Sample label | 2 Sample label 2 | 3 Depth sed [m] | 4 Depth top [m] | 5 Depth bot [m] | 6 Ageprof dat des | 7 Age model [ka] |
|---|---|---|---|---|---|---|
| 107-654A-42R-2,80-82 | 107-654A-42R-2,90-92 | 369.76 | 369.71 | 369.81 | Inflated phenotypes appear in the Globorotalia conoidea-Globorotalia miotumida group (G. conomiozea FO) | 6440 |
| 107-654A-42R-3,82-84 | 107-654A-42R-3,90-92 | 371.27 | 371.23 | 371.31 | Expansion of the plano-convex Globorotalia conoidea- Globorotalia miotumida group. Event 3b | 6450 |
| 107-654A-42R-5,36-38 | 107-654A-42R-5,82-84 | 374.00 | 373.77 | 374.23 | Dextral to sinistral change in the unkeeled Globorotalids. Event B | 6460 |
| 107-654A-42R-5,90-92 | 107-654A-42R-6,36-38 | 374.79 | 374.31 | 375.27 | Exit of dextral keeled Globorotalids. Event 3a | 6470 |
| 107-654A-43R-1,60-62 | 107-654A-43R-1,92-94 | 377.87 | 377.71 | 378.03 | Sinistral to dextral change in the unkeeled Globorotalids. Event A | 6480 |
| 107-654A-43R-5,60-62 | 107-654A-43R-5,90-92 | 383.87 | 383.71 | 384.03 | Entry of dextral keeled Globorotalids (Form 5 of Zachariasse). Event 2 | 6560 |
| 107-654A-44R-2,92-94 | 107-654A-44R-3,32-34 | 389.68 | 389.23 | 390.13 | Exit of sinistral keeled Globorotalids (Form 4 of Zachariasse). Event 1 | 6700 |