Duncan, Bella; McKay, Robert M; Levy, Richard H; Naish, Timothy R; Prebble, Joseph G; Sangiorgi, Francesca; Krishnan, Srinath; Hoem, Frida; Clowes, Christopher; Dunkley Jones, Tom; Gasson, Edward G W; Kraus, Christoph; Kulhanek, Denise K; Meyers, Stephen R; Moossen, Heiko; Warren, Courtney E; Willmott, Verónica; Ventura, G Todd; Bendle, James A (2022): Age-Depth tie points for drill core Cape Roberts 2/2A [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.946795, In: Duncan, B et al. (2022): Glycerol dialkyl glycerol tetraether (GDGT) abundances, age-depth tie points and biostratigraphic age events for McMurdo erratics, CIROS-1, CRP-2/2A, DSDP 270, DSDP 274, ANDRILL 2A, ANDRILL 1B [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.946801
Always quote citation above when using data! You can download the citation in several formats below.
Related to:
Naish, Tim R; Wilson, Gary S; Dunbar, Gavin B; Barrett, Peter J (2008): Constraining the amplitude of Late Oligocene bathymetric changes in western Ross Sea during orbitally-induced oscillations in the East Antarctic Ice Sheet: (2) Implications for global sea-level changes. Palaeogeography, Palaeoclimatology, Palaeoecology, 260(1-2), 66-76, https://doi.org/10.1016/j.palaeo.2007.08.021
Project(s):
Cape Roberts Project (CRP)
Funding:
Royal Society of New Zealand, grant/award no. RFT-VUW1804-PD: Rutherford Foundation Postdoctoral Fellowship
Coverage:
Latitude: -77.005982 * Longitude: 163.719450
Date/Time Start: 1998-10-01T00:00:00 * Date/Time End: 1998-11-25T14:20:00
Minimum DEPTH, sediment/rock: 108.98 m * Maximum DEPTH, sediment/rock: 306.65 m
Event(s):
CRP-2 (14.2 km at 096° true from Cape Roberts) * Latitude: -77.005983 * Longitude: 163.719450 * Date/Time: 1998-10-01T00:00:00 * Elevation: -177.9 m * Recovery: 57.42 m * Location: off Cape Roberts, Ross Sea, Antarctica * Campaign: CRP-2 * Basis: Sampling/drilling from ice * Method/Device: Core wireline system (CWS) * Comment: 921 m at 284° from CRP-1. Sea-ice thickness: 2.0 m (1 Oct) to 2.2 m (23 Nov). Sea riser embedded to 13.03 mbsf. Lateral ice movement: 9.87 m to east from 17 Oct to 23 Nov. HQ core to 199.31 mbsf. NQ core to 624.15 mbsf
CRP-2A (14.2 km at 096° true from Cape Roberts) * Latitude: -77.005980 * Longitude: 163.719450 * Date/Time Start: 1998-10-16T07:30:00 * Date/Time End: 1998-11-25T14:20:00 * Elevation: -177.9 m * Recovery: 624 m * Location: off Cape Roberts, Ross Sea, Antarctica * Campaign: CRP-2 * Basis: Sampling/drilling from ice * Method/Device: Core wireline system (CWS) * Comment: 921 m at 284° from CRP-1. Sea-ice thickness: 2.0 m (1 Oct) to 2.2 m (23 Nov). Sea riser embedded to 13.03 mbsf. Lateral ice movement: 9.87 m to east from 17 Oct to 23 Nov. HQ core to 199.31 mbsf. NQ core to 624.15 mbsf. 13.03 to 45.97 mbsf, 11.29 m (34%) partially following CRP-2. 45.07 to 624.15 mbsf, 548.67 m (95%) new hole. Deepest core-lithology: hard sandy siltstone. Deepest core-age: earliest Oligocene (ca. 33 Ma on diatoms, nannofossils and dinoflagellates)
Comment:
Age tie points from 214.13 mbsf and above from: Acton et al. (2008). Age tie points from 214.14 to 1138.54 mbsf from Levy et al. (2016).
Antarctica New Zealand Sir Robin Irvine PhD Scholarship awarded to B.D.
Scientific Committee of Antarctic Research Fellowship awarded to B.D.
New Zealand Ministry of Business Innovation and Employment through the Antarctic Science Platform (ANTA1801), and Contract C05X1001
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Comment | Comment | Duncan, Bella | |||
| 2 | DEPTH, sediment/rock | Depth sed | m | Duncan, Bella | Geocode – mbsf | |
| 3 | Depth, top/min | Depth top | m | Duncan, Bella | mbsf | |
| 4 | Depth, bottom/max | Depth bot | m | Duncan, Bella | mbsf | |
| 5 | Age | Age | Ma | Duncan, Bella | ||
| 6 | Age, error | Age e | ± | Duncan, Bella | ||
| 7 | Ageprofile Datum Description | Ageprof dat des | Duncan, Bella |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
29 data points
Data
| 1 Comment | 2 Depth sed [m] | 3 Depth top [m] | 4 Depth bot [m] | 5 Age [Ma] | 6 Age e [±] | 7 Ageprof dat des |
|---|---|---|---|---|---|---|
| 108.98 | 21.43005519 | |||||
| 112.86 | 111.58 | 114.15 | 21.44000000 | 0.05 | 40Ar/39Ar date places sediments within C6AAr.1n | |
| 130.00 | 21.48300000 | C6AAr.1n/C6AAr.2r | ||||
| Unconformity | 130.27 | 21.49020434 | ||||
| 130.28 | 23.21218323 | |||||
| 143.71 | 23.23300000 | C6Cn.2r/C6Cn.3n | ||||
| 183.70 | 23.29500000 | C6Cn.3n/C6Cr | ||||
| Unconformity | 185.96 | 23.29850823 | ||||
| 185.97 | 23.96200000 | |||||
| 193.40 | 23.98000000 | 0.13 | 40Ar/39Ar date places sediments within C7n.1n | |||
| Unconformity | 242.70 | 24.00000000 | ||||
| 242.71 | 24.14701955 | |||||
| 280.03 | 24.22000000 | 0.03 | 40Ar/39Ar date places sediments within C7n.2n, sediment package reprsents a 125ka glacial cycle | |||
| Unconformity | 306.65 | 24.27200000 |