Citation:

epic.28248.d001

Name: (Table 1) Strontium isotope data for marine carbonates from CRP-2/2A
Creator: Mark Lavelle
Published: 2000
License: https://creativecommons.org/licenses/by/3.0/

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Project(s):

Cape Roberts Project (CRP)

Coverage:

Latitude: -77.005980 * Longitude: 163.719450

Date/Time Start: 1998-10-16T07:30:00 * Date/Time End: 1998-11-25T14:20:00

Minimum Elevation: -177.9 m * Maximum Elevation: -177.9 m

Event(s):

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: * 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)

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Depth, top/min	Depth top	m	Lavelle, Mark
2	Depth, bottom/max	Depth bot	m	Lavelle, Mark
3	Lithologic unit/sequence	Unit		Lavelle, Mark
4	Sample type	Samp type		Lavelle, Mark
5	Shell debris	Shells		Lavelle, Mark		Shell type
6	Preservation	Preserv		Lavelle, Mark
7	Comment	Comment		Lavelle, Mark		Interpretation
8	Strontium-87/Strontium-86 ratio	87Sr/86Sr		Lavelle, Mark	Isotope ratio mass spectrometry	Normalized to long-term laboratory standard NIST-987 = 0.7210248
9	Strontium-87/Strontium-86 ratio, error	87Sr/86Sr e	±	Lavelle, Mark
10	Age, dated	Age dated	ka	Lavelle, Mark	Age, strontium isotope, LOWESS fit Howarth & McArthur (1997)
11	Age, dated, range, minimum	Age dated min	ka	Lavelle, Mark	Age, strontium isotope, LOWESS fit Howarth & McArthur (1997)
12	Age, dated, range, maximum	Age dated max	ka	Lavelle, Mark	Age, strontium isotope, LOWESS fit Howarth & McArthur (1997)

License:

Creative Commons Attribution 3.0 Unported (CC-BY-3.0)

Size:

282 data points

Data

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

1 Depth top [m]	2 Depth bot [m]	3 Unit	4 Samp type	5 Shells	6 Preserv	7 Comment	8 87Sr/86Sr	9 87Sr/86Sr e [±]	10 Age dated [ka]	11 Age dated min [ka]	12 Age dated max [ka]
10.28	10.29	2.1	Unidentified bivalve	Fragment	Strongly bored and abraded	Reworked	0.708981	0.000011	6100	6600	5800
15.15	15.16	2.1	Unidentified bivalve	Fragment	Moderately bored and abraded	Reworked	0.709099	0.000012	1700	2200	1400
22.05	22.06	2.2	Unidentified bivalve	Fragment	Moderately abraded	Reworked	0.709076	0.000011	2400	3900	1900
23.90	23.91	2.2	Pectinid bivalve	Fragment	Strongly abraded	Reworked	0.709005	0.000012	5700	6000	5400
24.49	24.51	2.2	Pectinid bivalve	Fragment	Moderately abraded	Reworked	0.709005	0.000012	5700	6000	5400
36.24	36.27	3.1	Solitary coral in life position	Fragment	Partially dissolved	In situ	0.708556	0.000012	18600	18800	18400
54.94	54.98	5.1	Unidentified bivalve	Fragment	Well preserved	Uncertain	0.708430	0.000018	20400	20700	19900
54.94	54.98	5.1	Unidentified bivalve	Fragment	Well preserved	Uncertain	0.708434	0.000033	20300	20900	19700
126.55	126.56	8.1	Pectinid bivalve	Fragment	Weakly abraded	Uncertain	0.708331	0.000013	22200	22600	21900
194.87	194.91	9.3	Unidentified bivalve	Articulated	Well preserved	In situ	0.708217	0.000031	24500	25200	23900
198.74	198.75	9.3	Unidentified bivalve	Fragment	Well preserved	Uncertain	0.708239	0.000013	24100	24500	23700
246.97	247.00	9.6	Unidentified bivalve	Articulated	Well preserved	In situ	0.708243	0.000014	24000	24400	23700
247.67	247.71	9.6	Unidentified bivalve	Fragment	Well preserved	Uncertain	0.708201	0.000012	24800	25200	24500
445.03	445.06	13.1	Unidentified bivalve	Articulated	Well preserved	In situ	0.708000	0.000011	29400	29900	28900
460.64	460.67	13.1	Modiolid bivalve	Complete valve	Well preserved	In situ	0.707995	0.000015	29600	30100	29000
463.36	463.38	13.1	Modiolid bivalve	Articulated	Well preserved	In situ	0.707983	0.000012	29900	30400	29400
483.15	483.18	13.2	Modiolid bivalve	Complete valve	Well preserved	In situ	0.707954	0.000014	30700	31100	30200
483.15	483.18	13.2	Modiolid bivalve	Complete valve	Well preserved	In situ	0.707967	0.000019	30300	30800	29800
483.15	483.18	13.2	Modiolid bivalve	Complete valve	Well preserved	In situ	0.707965	0.000011	30400	30900	29900
34.62	34.63	3.1	Unidentified bivalve	Fragment	Partially recrystallised	Uncertain	0.708597	0.000011
182.17	182.22	8.4	Unidentified bivalve	Articulated	Partially recrystallised	In situ	0.708432	0.000014
225.96	226.00	9.4	Unidentified bivalve	Fragment	Partially recrystallised	Uncertain	0.708364	0.000015
263.16	263.17	9.7	Unidentified bivalve	Fragment	Partially recrystallised	Uncertain	0.708605	0.000013
565.48	565.50	15.2	Unidentified bivalve	Articulated	Partially recrystallised	In situ	0.710200	0.000026
599.19	599.21	15.4	Unidentified bivalve	Fragment	Partially recrystallised	Uncertain	0.708104	0.000012