Citation:

PANGAEA.927027

Name: Radiogenic Sr, Nd and Pb isotope data and clay mineral abundances of the < 2 µm size fraction of ODP Hole 121-758A
Published: 2021-01-26
License: https://creativecommons.org/licenses/by/4.0/
Keywords: clay minerals; Clay radiogenic Sr Nd and Pb isotopes

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Abstract:

The clay size fraction of the sediments from ODP Site 758 located in the southern Bay of Bengal on top of the Ninetyeast Ridge were studied to better understand South Asian Monsoon induced silicate weathering over the last 27 million years. The radiogenic Sr, Nd and Pb isotope data were measured by multi-collector ICP-MS and the the clay mineral abundances were calculated from X-Ray diffraction measurements. The age model used here incorporates age constraints from both ODP Site 758 and new data from a new multiple hole drill site nearby (International Ocean Discovery Program Site U1443).

Keyword(s):

clay minerals; Clay radiogenic Sr Nd and Pb isotopes

Supplement to:

Ali, Sajid; Hathorne, Ed C; Frank, Martin (2021): Persistent provenance of South Asian Monsoon induced silicate weathering over the past 27 million years. Paleoceanography and Paleoclimatology, 36(3), e2020PA003909, https://doi.org/10.1029/2020PA003909

Coverage:

Latitude: 5.384200 * Longitude: 90.361200

Date/Time Start: 1988-06-15T23:50:00 * Date/Time End: 1988-06-24T13:30:00

Minimum DEPTH, sediment/rock: 1.0 m * Maximum DEPTH, sediment/rock: 204.0 m

Event(s):

121-758A * Latitude: 5.384200 * Longitude: 90.361200 * Date/Time Start: 1988-06-15T23:50:00 * Date/Time End: 1988-06-24T13:30:00 * Elevation: -2935.0 m * Penetration: 676.8 m * Recovery: 453.83 m * Location: Indian Ocean * Campaign: * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 73 cores; 676.8 m cored; 0 m drilled; 67.1 % recovery

Comment:

Clay mineral abundances in weighted peak area percentage.

The repeatability of the semi-quantitative clay mineral measurements was approximately 2%.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Sample code/label	Sample label		Hathorne, Ed C	DSDP/ODP/IODP sample designation
2	Hole	H		Hathorne, Ed C
3	Core	Core		Hathorne, Ed C
4	Type	Type		Hathorne, Ed C
5	Section	Sect		Hathorne, Ed C
6	Interval number	Interval No		Hathorne, Ed C		cm
7	DEPTH, sediment/rock	Depth sed	m	Hathorne, Ed C		Geocode – mbsf
8	AGE	Age	ka BP	Hathorne, Ed C		Geocode
9	ε-Neodymium	ε-Nd		Hathorne, Ed C	Multi-Collector ICP-MS (MC-ICP-MS)	representative 2SD error = ±0.20
10	Strontium-87/Strontium-86 ratio	87Sr/86Sr		Hathorne, Ed C	Multi-Collector ICP-MS (MC-ICP-MS)	representative 2SD error = ±0.00003
11	Lead-208/Lead-204 ratio	208Pb/204Pb		Hathorne, Ed C	Multi-Collector ICP-MS (MC-ICP-MS)	representative 2SD error = ±0.0152
12	Lead-207/Lead-204 ratio	207Pb/204Pb		Hathorne, Ed C	Multi-Collector ICP-MS (MC-ICP-MS)	representative 2SD error = ±0.0062
13	Lead-206/Lead-204 ratio	206Pb/204Pb		Hathorne, Ed C	Multi-Collector ICP-MS (MC-ICP-MS)	representative 2SD error = ±0.0064
14	Lead-208/Lead-206 ratio	208Pb/206Pb		Hathorne, Ed C	Multi-Collector ICP-MS (MC-ICP-MS)	representative 2SD error = ±0.0002
15	Lead-207/Lead-206 ratio	207Pb/206Pb		Hathorne, Ed C	Multi-Collector ICP-MS (MC-ICP-MS)	representative 2SD error = ±0.00006
16	Smectite	Sme	%	Hathorne, Ed C	X-ray diffraction (XRD)
17	Illite	Ill	%	Hathorne, Ed C	X-ray diffraction (XRD)
18	Kaolinite	Kln	%	Hathorne, Ed C	X-ray diffraction (XRD)
19	Chlorite	Chl	%	Hathorne, Ed C	X-ray diffraction (XRD)

License:

Creative Commons Attribution 4.0 International (CC-BY-4.0)

Size:

617 data points

Data

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

1 Sample label	2 H	3 Core	4 Type	5 Sect	6 Interval No	7 Depth sed [m]	8 Age [ka BP]	9 ε-Nd	10 87Sr/86Sr	11 208Pb/204Pb	12 207Pb/204Pb	13 206Pb/204Pb	14 208Pb/206Pb	15 207Pb/206Pb	16 Sme [%]	17 Ill [%]	18 Kln [%]	19 Chl [%]
121-758A-1H-1,102.5-106.5	758A	1	H	1	102.5--106.5	1.0	100	-9.6	0.7159	39.405	15.752	19.003	2.074	0.829	57	18	11	15
121-758A-2H-2,52.0-54.0	758A	2	H	2	52.0--54.0	7.9	700	-10.2	0.7160	39.329	15.752	18.926	2.074	0.831	42	27	12	19
121-758A-2H-7,3.0-7.0	758A	2	H	7	3.0--7.0	14.7	1200	-10.1	0.7150	39.361	15.745	18.973	2.075	0.830	44	25	12	19
121-758A-3H-5,36.0-40.0	758A	3	H	5	36.0--40.0	21.7	1700	-9.3	0.7126	39.328	15.742	18.952	2.075	0.831	48	23	16	13
121-758A-4H-3,80.0-84.0	758A	4	H	3	80.0--84.0	28.8	2400			39.370	15.744	18.963	2.076	0.830	54	19	14	13
121-758A-5H-1,122.0-126.0	758A	5	H	1	122.0--126.0	36.0	3000	-10.5	0.7130						47	18	24	12
121-758A-5H-6,68.0-72.0	758A	5	H	6	68.0--72.0	42.7	3400	-10.6	0.7135	39.416	15.755	18.997	2.075	0.829	57	13	23	6
121-758A-6H-4,112.0-116.0	758A	6	H	4	112.0--116.0	49.8	4000	-10.4	0.7139	39.397	15.735	18.995	2.074	0.829	58	13	21	8
121-758A-7H-3,3.0-7.0	758A	7	H	3	3.0--7.0	56.9	4500	-10.2	0.7150						68	11	16	6
121-758A-8H-1,30.0-34.0	758A	8	H	1	30.0--34.0	64.0	5100	-10.2	0.7137	39.232	15.742	18.976	2.075	0.830	67	10	18	5
121-758A-8H-5,130.0-134.0	758A	8	H	5	130.0--134.0	70.8	5600	-10.3	0.7139	39.116	15.749	18.977	2.076	0.830	62	10	21	7
121-758A-9H-4,10.0-14.0	758A	9	H	4	10.0--14.0	77.9	6100	-9.5	0.7126	39.190	15.745	18.956	2.077	0.831	63	12	17	7
121-758A-10H-2,36.5-40.5	758A	10	H	2	36.5--40.5	84.9	6600	-9.3	0.7120	39.253	15.737	18.972	2.073	0.829	63	11	20	7
121-758A-10H-6,140.0-144.0	758A	10	H	6	140.0--144.0	91.8	7100	-9.2	0.7120	39.359	15.746	18.930	2.079	0.832	52	12	20	15
121-758A-11H-5,20.0-24.0	758A	11	H	5	20.0--24.0	98.8	7700	-8.5	0.7110	39.371	15.728	18.822	2.084	0.836	55	11	23	12
121-758A-12X-3,60.0-64.0	758A	12	X	3	60.0--64.0	106.0	8200	-9.0	0.7116	39.397	15.766	18.786	2.082	0.838	42	23	20	15
121-758A-13X-1,93.0-97.0	758A	13	X	1	93.0--97.0	113.0	8900	-8.6	0.7112	39.365	15.741	18.798	2.085	0.837	49	21	21	10
121-758A-13X-3,112.0-116.0	758A	13	X	3	112.0--116.0	116.2	9400	-8.3	0.7110	39.290	15.740	18.848	2.084	0.835	39	24	28	9
121-758A-13X-6,43.0-47.0	758A	13	X	6	43.0--47.0	120.0	10200	-8.3	0.7107						40	23	27	10
121-758A-14X-1,61.0-63.0	758A	14	X	1	61.0--63.0	122.3	11700	-8.9	0.7105	39.311	15.748	18.848	2.086	0.836	40	25	29	6
121-758A-14X-3,23.0-25.0	758A	14	X	3	23.0--25.0	124.9	12700	-9.3	0.7114	39.339	15.757	18.864	2.085	0.835	39	21	36	4
121-758A-14X-4,80.0-84.0	758A	14	X	4	80.0--84.0	127.0	13300	-9.4	0.7117	39.282	15.746	18.859	2.083	0.835	42	19	36	3
121-758A-14X-cc,17.0-19.0	758A	14	X	cc	17.0--19.0	129.9	14000	-9.0	0.7117						47	7	44	2
121-758A-15X-1,110.0-114.0	758A	15	X	1	110.0--114.0	132.5	14800	-9.7	0.7124	39.322	15.744	18.924	2.078	0.833	48	5	46	1
121-758A-15X-2,110.0-114.0	758A	15	X	2	110.0--114.0	134.0	15200	-9.8	0.7137	39.304	15.754	18.900	2.080	0.834	67	5	28	0
121-758A-15X-4,34.0-36.0	758A	15	X	4	34.0--36.0	136.3	15800	-9.8	0.7134						66	6	28	0
121-758A-16X-1,1.0-5.0	758A	16	X	1	1.0--5.0	141.0	17900	-9.4	0.7108	39.157	15.709	18.868	2.075	0.833	54	5	41	0
121-758A-16X-2,100.0-104.0	758A	16	X	2	100.0--104.0	144.5	18200	-9.5	0.7104	39.337	15.760	18.897	2.082	0.834	69	5	24	2
121-758A-16X-4,132.0-136.0	758A	16	X	4	132.0--136.0	146.8	18500	-9.8	0.7112	39.422	15.775	18.920	2.084	0.834	66	5	26	3
121-758A-17X-1,46.0-50.0	758A	17	X	1	46.0--50.0	151.2	19200	-8.6	0.7099	39.237	15.749	18.779	2.089	0.839	60	4	32	4
121-758A-17X-3,132.0-136.0	758A	17	X	3	132.0--136.0	155.0	19700	-8.4	0.7095	39.332	15.763	18.868	2.085	0.835	60	5	32	3
121-758A-18X-2,10.0-14.0	758A	18	X	2	10.0--14.0	162.0	20700			39.340	15.769	18.883	2.083	0.835	62	6	32	0
121-758A-19X-5,1.0-5.0	758A	19	X	5	1.0--5.0	176.0	22700	-8.8	0.7100	39.359	15.769	18.847	2.088	0.837	68	6	26	0
121-758A-20X-3,30.0-34.0	758A	20	X	3	30.0--34.0	183.0	23700	-9.5	0.7090	39.193	15.742	18.872	2.077	0.834	67	4	29	0
121-758A-21X-1,72.0-76.0	758A	21	X	1	72.0--76.0	190.0	24600	-9.6	0.7100	39.313	15.739	18.850	2.076	0.831	62	5	33	0
121-758A-21X-4,48.0-52.0	758A	21	X	4	48.0--52.0	194.3	25200	-9.3	0.7092	39.148	15.724	18.868	2.075	0.833	62	4	34	0
121-758A-21X-cc,23.0-27.0	758A	21	X	cc	23.0--27.0	197.0	25600	-9.6	0.7095	39.216	15.725	18.917	2.073	0.831	62	3	35	0
121-758A-22X-cc,28.0-32.0	758A	22	X	cc	28.0--32.0	204.0	26500	-10.2	0.7110	39.202	15.717	18.944	2.058	0.830	63	3	34	0