Citation:

PANGAEA.946801

Name: Age-Depth tie points for DSDP Hole 28-270
Published: 2022-08-02
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Antarctica; biostratigraphy; GDGTs; Ross Sea; Sea surface temperature

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Keyword(s):

Antarctica; biostratigraphy; GDGTs; Ross Sea; Sea surface temperature

Related to:

Kulhanek, Denise K; Levy, Richard H; Clowes, Christopher; Prebble, Joseph G; Rodelli, Daniel; Jovane, Luigi; Morgans, Hugh E G; Kraus, Christoph; Zwingmann, Horst; Griffith, Elizabeth M; Scher, Howie D; McKay, Robert M; Naish, Timothy R (2019): Revised chronostratigraphy of DSDP Site 270 and late Oligocene to early Miocene paleoecology of the Ross Sea sector of Antarctica. Global and Planetary Change, 178, 46-64, https://doi.org/10.1016/j.gloplacha.2019.04.002

Project(s):

Deep Sea Drilling Project (DSDP)

Funding:

National Science Foundation (NSF), grant/award no. OCE-1326927

Natural Environment Research Council (NERC), grant/award no. NE/I00646X/1

Natural Environment Research Council (NERC), grant/award no. NE/P013112/1

Royal Society of New Zealand, grant/award no. MFP-VUW1808: Te Aparangi Marsden Fund award

Royal Society of New Zealand, grant/award no. RFT-VUW1804-PD: Rutherford Foundation Postdoctoral Fellowship

Coverage:

Latitude: -77.441300 * Longitude: -178.503200

Date/Time Start: 1973-01-29T00:00:00 * Date/Time End: 1973-01-29T00:00:00

Minimum DEPTH, sediment/rock: 20.00 m * Maximum DEPTH, sediment/rock: 345.29 m

Event(s):

28-270 * Latitude: -77.441300 * Longitude: -178.503200 * Date/Time: 1973-01-29T00:00:00 * Elevation: -633.0 m * Penetration: 422.5 m * Recovery: 256.3 m * Location: Antarctic Ocean * Campaign: * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 45 cores; 398.5 m cored; 10 m drilled; 64.3 % recovery

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	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	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:

60 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 Comment	2 Depth sed [m]	3 Depth top [m]	4 Depth bot [m]	5 Age [Ma]	6 Ageprof dat des
Unconformity	20.00			19.72854671
	55.07	55.43	54.71	20.04000000	C6An.1n/C6r
	74.55	75.41	73.69	20.21300000	C6An.1r/C6An.1n
	96.59	96.85	96.33	20.43900000	C6An.2n/C6An.1r
Unconformity	121.00			20.68919964
	121.01			22.92493597
	145.66	148.68	142.64	23.03000000	C6Cr/C6Cn.2n
Unconformity	146.20			23.03230161
	149.32			23.79694505
	188.05	188.38	187.72	23.96200000	C7n.1n/C6Cr
Unconformity	198.00			24.00000000
	198.01			24.29185350
	240.75	241.38	240.11	24.47400000	C7r/C7n.2n
Unconformity	244.00			24.48787357
	244.01			24.75935904
	244.40	244.68	244.11	24.76100000	C7An/C7r
	296.71	297.02	296.41	24.98400000	C7Ar/C7An
	298.54	298.66	298.41	25.09900000	C8n.1n/C7Ar
	326.12	326.73	325.50	25.26400000	C8n.1r/C8n.1n
	329.25	330.29	328.22	25.30400000	C8n.2n/C8n.1r
	345.29			25.44000000	HO Chiasmolithus altus