Citation:

PANGAEA.937673

Name: Radiocarbon isotope data of carbonate veins (aragonite, calcite, dolomite), total inorganic carbon and total non-carbonate carbon from ultramafic and mafic rocks recovered from the Wadi Tayin Massif, Samail Ophiolite, Oman Drilling Project Phase II
Published: 2021-10-29
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Carbon cycle; lithosphere; Oman Drilling Project; peridotite; Radiocarbon ages; Samail Ophiolite

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Published: 2021-10-29 • DOI registered: 2021-11-08

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Abstract:

The radiocarbon isotope data of aragonite, calcite, and dolomite veins and whole-rock total inorganic carbon and total non-carbonate carbon from ultramafic and mafic rocks recovered during ICDP Expedition 5057, Oman Drilling Project Phase II (November 2017 to February 2018) on the Wadi Tayin Massif, Samail Ophiolite, was examined to characterize carbon sources, speciation, and the fate of organic and inorganic carbon during natural large-scale hydration and carbonization. The measurements were performed at the ETH Zurich from 2017 to 2020 using an Elemental Analyzer interfaced to a MICADAS Accelerator Mass Spectrometer (AMS) equipped with a gas-ion source or by direct injection of CO2, from carbonate dissolution, into the ion source of the AMS. Analyzed whole-rock samples are aliquots of samples used for microbiological studies and were collected under sterile conditions (denoted as MBio samples).

Keyword(s):

Carbon cycle; lithosphere; Oman Drilling Project; peridotite; Radiocarbon ages; Samail Ophiolite

Related to:

Ternieten, Lotta; Früh-Green, Gretchen L; Bernasconi, Stefano M (2021): Carbon Geochemistry of the Active Serpentinization Site at the Wadi Tayin Massif: Insights from the ICDP Oman Drilling Project - Phase II. Earth and Space Science Open Archive (ESSOAr), https://doi.org/10.1002/essoar.10507524.1

Project(s):

International Continental Scientific Drilling Program (ICDP)

Coverage:

Median Latitude: 22.874240 * Median Longitude: 58.705330 * South-bound Latitude: 22.866170 * West-bound Longitude: 58.700090 * North-bound Latitude: 22.882310 * East-bound Longitude: 58.710570

Minimum DEPTH, sediment/rock: 7.40 m * Maximum DEPTH, sediment/rock: 279.83 m

Event(s):

5057-BA1B(5B) * Latitude: 22.882310 * Longitude: 58.700090 * Elevation: 583.0 m * Recovery: 416.56 m * Location: Oman * Method/Device: Core drilling (CDRILL) * Comment: 142 core, 401.7 m cored, 103.7 % recovered

5057-BA3A(9A) * Latitude: 22.866170 * Longitude: 58.710570 * Elevation: 554.0 m * Recovery: 314.23 m * Location: Oman * Method/Device: Core drilling (CDRILL) * Comment: 114 cores, 302.7 m cored, 103.8 % recovered

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Event label	Event		Ternieten, Lotta
2	Core	Core		Ternieten, Lotta
3	Section	Sect		Ternieten, Lotta
4	Interval Cored	Cored	m	Ternieten, Lotta		Top
5	Interval Cored	Cored	m	Ternieten, Lotta		Bottom
6	Depth, top/min	Depth top	m	Ternieten, Lotta		Chikyu Adjusted Depth (CAD)
7	Depth, bottom/max	Depth bot	m	Ternieten, Lotta		Chikyu Adjusted Depth (CAD)
8	DEPTH, sediment/rock	Depth sed	m	Ternieten, Lotta		Geocode – Chikyu Adjusted Depth (CAD)
9	Main Lithology	Main lith		Ternieten, Lotta
10	Minerals	Minerals		Ternieten, Lotta		Carbonate mineralogy
11	Sample type	Samp type		Ternieten, Lotta
12	Type	Type		Ternieten, Lotta		Carbon type
13	Carbon-14/Carbon-12 ratio	14C/12C		Ternieten, Lotta	MICADAS Accelerator Mass Spectrometer
14	Error, relative	Error r	%	Ternieten, Lotta	MICADAS Accelerator Mass Spectrometer
15	Fraction modern carbon	F14C		Ternieten, Lotta	MICADAS Accelerator Mass Spectrometer
16	Error, relative	Error r	%	Ternieten, Lotta	MICADAS Accelerator Mass Spectrometer	σ
17	AGE	Age	ka BP	Ternieten, Lotta		Geocode
18	Age, error	Age e	±	Ternieten, Lotta		σ

License:

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

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

243 data points

Data

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

1 Event	2 Core	3 Sect	4 Cored [m] (Top)	5 Cored [m] (Bottom)	6 Depth top [m] (Chikyu Adjusted Depth (CAD))	7 Depth bot [m] (Chikyu Adjusted Depth (CAD))	8 Depth sed [m] (Chikyu Adjusted Depth (CAD))	9 Main lith	10 Minerals (Carbonate mineralogy)	11 Samp type	12 Type (Carbon type)	13 14C/12C	14 Error r [%]	15 F14C	16 Error r [%] (σ)	17 Age [ka BP]	18 Age e [±] (σ)
5057-BA1B(5B)	3	2	0.73	0.85	7.34	7.46	7.40	Serpentinized dunite		whole rock	inorganic	0.034	2.703	0.025	0.001	29.750	0.321
5057-BA1B(5B)	3	2	0.73	0.85	7.34	7.46	7.40	Serpentinized dunite		whole rock	non-carbonate	0.208	1.136	0.185	0.002	13.574	0.101
5057-BA1B(5B)	8	4	0.34	0.35	23.28	23.29	23.29	Serpentinized dunite	Aragonite	vein	inorganic	0.005	7.255	0.002	25.104	50.464	2.017
5057-BA1B(5B)	8	4	0.61	0.66	23.55	23.60	23.58	Serpentinized dunite	Dolomite	vein	inorganic	0.010	5.726	0.007	9.268	39.886	0.745
5057-BA1B(5B)	20	3	0.00	0.50	40.14	40.64	40.39	Serpentinized dunite		whole rock	inorganic	1.015	0.484	0.878	0.006	1.048	0.055
5057-BA1B(5B)	20	3	0.00	0.50	40.14	40.64	40.39	Serpentinized dunite		whole rock	non-carbonate	0.367	0.908	0.328	0.003	8.966	0.083
5057-BA1B(5B)	26	4	0.79	0.83	56.74	56.78	56.76	Serpentinized dunite	Calcite	vein	inorganic	0.013	4.584	0.009	6.899	37.464	0.554
5057-BA1B(5B)	28	2	0.68	0.72	61.29	61.33	61.31	Serpentinized dunite	Calcite	vein	inorganic	0.027	3.529	0.022	4.296	30.811	0.345
5057-BA1B(5B)	43	1	0.33	0.41	105.03	105.11	105.07	Olivine gabbro	Calcite	vein	inorganic	0.009	5.680	0.005	10.610	42.386	0.852
5057-BA1B(5B)	94	4	0.00	0.53	259.99	260.52	260.26	Serpentinized harzburgite		whole rock	inorganic	1.107	0.459	0.964	0.006	0.293	0.053
5057-BA1B(5B)	94	4	0.00	0.53	259.99	260.52	260.26	Serpentinized harzburgite		whole rock	non-carbonate	0.780	0.518	0.711	0.005	2.738	0.056
5057-BA3A(9A)	27	1	0.28	0.88	59.98	60.58	60.28	Serpentinized harzburgite		whole rock	inorganic	1.053	0.506	0.908	0.006	0.771	0.056
5057-BA3A(9A)	27	1	0.28	0.88	59.98	60.58	60.28	Serpentinized harzburgite		whole rock	non-carbonate	0.375	0.796	0.337	0.003	8.741	0.075
5057-BA3A(9A)	76	3	0.00	0.50	190.41	190.91	190.66	Serpentinized harzburgite		whole rock	inorganic	1.070	0.488	0.927	0.006	0.608	0.055
5057-BA3A(9A)	76	3	0.00	0.50	190.41	190.91	190.66	Serpentinized harzburgite		whole rock	non-carbonate	0.305	0.807	0.273	0.003	10.440	0.076
5057-BA3A(9A)	106	2	0.00	0.50	279.58	280.08	279.83	Serpentinized harzburgite		whole rock	inorganic	1.044	0.626	0.915	0.007	0.717	0.063
5057-BA3A(9A)	106	2	0.00	0.50	279.58	280.08	279.83	Serpentinized harzburgite		whole rock	non-carbonate	0.415	1.337	0.366	0.005	8.083	0.115