Eidvin, Tor; Bugge, Tom; Smelror, Morten (2017): Table1. Strontium isotope data from investigated wells [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.871881, Supplement to: Eidvin, T et al. (2007): The Molo Formation, deposited by coastal progradation on the inner Mid-Norwegian continental shelf, coeval with the Kai Formation to the west and the Utsira Formation in the North Sea. Norwegian Journal of Geology, 87, 75-142, http://www.geologi.no/images/NJG_articles/Eidvin_et_al.pdf
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Abstract:
The Molo Formation represents a characteristic depositional unit on the inner Mid-Norwegian continental shelf and extends along the coast for about 500 km from Møre to Lofoten. It was deposited by coastal progradation in a wave-dominated environment with extensive long-shore drift. The age and stratigraphic relationships have been heavily debated since it was discovered and first described nearly forty years ago. Based on new age information from exploration wells in the Draugen Field on the Trøndelag Platform, the Molo Formation is now determined to be of Late Miocene to Early Pliocene age. It is interpreted to be the proximal equivalent to the deeper marine Kai Formation in the Norwegian Sea and a lateral equivalent to the Utsira Formation in the North Sea. These formations were all deposited as a result of the compression and uplift of mainland Norway in mid Miocene time. In this paper we describe and document the datings and formally define the Molo Formation as a new stratigraphic unit.
Project(s):
Funding:
Seventh Framework Programme (FP7), grant/award no. 265847: Sub-seabed CO2 Storage: Impact on Marine Ecosystems
Coverage:
Median Latitude: 65.600000 * Median Longitude: 8.000000 * South-bound Latitude: 64.200000 * West-bound Longitude: 5.000000 * North-bound Latitude: 67.000000 * East-bound Longitude: 11.000000
Minimum DEPTH, sediment/rock: 480 m * Maximum DEPTH, sediment/rock: 2391 m
Event(s):
Molo_Formation * Latitude Start: 64.200000 * Longitude Start: 5.000000 * Latitude End: 67.000000 * Longitude End: 11.000000 * Comment: The Molo Formation was deposited by coastal progradation in the Late Miocene to Early Pliocene. It is situated on the inner part of the continental shelf and extends for 500 km from More to Lofoten.
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Site | Site | Eidvin, Tor | |||
| 2 | Reference/source | Reference | Eidvin, Tor | |||
| 3 | Lithologic unit/sequence | Unit | Eidvin, Tor | |||
| 4 | DEPTH, sediment/rock | Depth sed | m | Eidvin, Tor | Geocode – Samples from ditch cutting | |
| 5 | Strontium-87/Strontium-86 ratio | 87Sr/86Sr | Eidvin, Tor | Measured | ||
| 6 | Strontium-87/Strontium-86 ratio, error | 87Sr/86Sr e | ± | Eidvin, Tor | 2 std dev | |
| 7 | Strontium-87/Strontium-86 ratio | 87Sr/86Sr | Eidvin, Tor | Corrected | ||
| 8 | Age, dated | Age dated | ka | Eidvin, Tor | Age, strontium isotope | H&McA) |
| 9 | Comment | Comment | Eidvin, Tor |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
144 data points
Data
| 1 Site | 2 Reference | 3 Unit | 4 Depth sed [m] (Samples from ditch cutting) | 5 87Sr/86Sr (Measured) | 6 87Sr/86Sr e [±] (2 std dev) | 7 87Sr/86Sr (Corrected) | 8 Age dated [ka] (H&McA), Age, strontium isotope) | 9 Comment |
|---|---|---|---|---|---|---|---|---|
| Well 6407/9-5 | Molo Fm | 710 | 0.709124 | 0.000010 | 0.709010 | 5690 | ||
| Molo Fm | 740 | 0.709090 | 0.000012 | 0.709006 | 5750 | |||
| Molo Fm | 750 | 0.709144 | 0.000026 | 0.709030 | 5180 | |||
| Molo Fm | 770 | 0.709087 | 0.000007 | 0.709003 | 5790 | |||
| Hordaland Gr | 810 | 0.708049 | 0.000010 | 0.707972 | 30300 | |||
| Well 6407/9-1 | Molo Fm | 790 | 0.708953 | 0.000023 | 0.708989 | 6000 | ||
| Hordaland Gr | 900 | 0.707848 | 0.000014 | 0.707884 | 32400 | |||
| Well 6510/2-1 | according to N¿dtvedt, 1999) | Molo Fm | 480 | 0.708680 | 17060 | Reworked | ||
| Well 6610/3-1 | according to Eidvin et al., 1998a | Molo Fm | 525 | 33600 | Reworked | |||
| Molo Fm | 555 | 36900 | Reworked | |||||
| Well 6610/3-1 | Molo Fm | 555 | 0.707776 | 0.000014 | 0.707745 | 37530 | Reworked | |
| Well 6610/2-1S | according to N¿dtvedt, 1999) | Hordaland Gr | 990 | 0.000015 | 0.707894 | 32220 | ||
| Well 6609/11-1 | Kai Fm | 1260 | 0.708983 | 0.000013 | 0.708968 | 6320 | ||
| Well 6508/5-1 | Kai Fm | 1260 | 0.709015 | 0.000008 | 0.798991 | 5950 | ||
| Kai Fm | 1260 | 0.708989 | 0.000012 | 0.708965 | 6420 | |||
| Well 6609/5-1 | Kai Fm | 1650 | 0.708911 | 0.000016 | 0.708900 | 9550 | ||
| Well 6507/12-5 | Kai Fm | 1430 | 0.708937 | 0.000008 | 0.708897 | 9670 | ||
| Kai Fm | 1460 | 0.708971 | 0.000029 | 0.708931 | 7950 | |||
| Kai Fm | 1470 | 0.708904 | 0.000009 | 0.708865 | 10860 | |||
| Well 6607/5-1 | according to N¿dtvedt, 1999) | Kai Fm | 2322 | 0.000010 | 0.709021 | 5220 | ||
| Kai Fm | 2331 | 0.000010 | 0.709027 | 5070 | ||||
| Kai Fm | 2331 | 0.000008 | 0.708967 | 6240 | ||||
| Kai Fm | 2361 | 0.000008 | 0.708947 | 6890 | ||||
| Kai Fm | 2361 | 0.000009 | 0.708993 | 5740 | ||||
| Kai Fm | 2361 | 0.000011 | 0.708992 | 5920 | Plankt. foram. | |||
| Kai Fm | 2391 | 0.000009 | 0.708859 | 11010 | Bolboforma | |||
| Well 6506/12-4 | Kai Fm | 1820 | 0.000023 | 0.709025 | 5320 | |||
| Kai Fm | 1880 | 0.000026 | 0.709026 | 5300 |