Citation:

PANGAEA.949670

Name: Accumation rates of manganese in pelagic sediments using Brunnes-Matuyama magnetic reversal boundary
Published: 2022-10-13
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Geochemistry; manganese micronodule; manganese nodule; ocean; sediment

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Published: 2022-10-13 • DOI registered: 2022-11-12

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Abstract:

For 27 pelagic sediment cores, the Brunnes-Matuyama magnetic reversal boundary (700 000 yr) was used to establish the mean sedimentation rate between this level and the core top. If the tops of these cores were lost, calculated sedimentation rates would be a few percent less than the true rates. Because CaCO3 is a Mn-free diluent, the Mn concentration results and the sediment accumulation rate results are given on a carbonate-free basis. CaCO3 content of cores raised from below the carbonate compensation level is taken as zero. The in situ density of water-free deep-sea cores was assumed to be 0.7 g/cm³ , this could lead in some cases to an error.

Keyword(s):

Geochemistry; manganese micronodule; manganese nodule; ocean; sediment

Related to:

Bender, Michael L; Ku, Teh-Lung; Broecker, Wallace S (1970): Accumulation rates of manganese in pelagic sediments and nodules. Earth and Planetary Science Letters, 8(2), 143-148, https://doi.org/10.1016/0012-821X(70)90164-0

Source:

Grant, John Bruce; Moore, Carla J; Alameddin, George; Chen, Kuiying; Barton, Mark (1992): The NOAA and MMS Marine Minerals Geochemical Database. National Geophysical Data Center, NOAA, https://doi.org/10.7289/V52Z13FT

Further details:

Warnken, Robin R; Virden, William T; Moore, Carla J (1992): The NOAA and MMS Marine Minerals Bibliography. National Geophysical Data Center, NOAA, https://doi.org/10.7289/V53X84KN

Project(s):

NOAA and MMS Marine Minerals Geochemical Database (NOAA-MMS)

Coverage:

Median Latitude: -7.464615 * Median Longitude: 161.253308 * South-bound Latitude: -61.930000 * West-bound Longitude: 17.933000 * North-bound Latitude: 45.617000 * East-bound Longitude: -4.767000

Date/Time Start: 1959-12-08T00:00:00 * Date/Time End: 1972-04-15T00:00:00

Minimum DEPTH, sediment/rock: 0.325 m * Maximum DEPTH, sediment/rock: 6.425 m

Event(s):

RC08-52 * Latitude: -41.100000 * Longitude: 101.420000 * Date/Time: 1964-01-28T00:00:00 * Elevation: -4393.0 m * Recovery: 11.03 m * Campaign: * Basis: Robert Conrad * Method/Device: Piston corer (PC)

RC08-53 * Latitude: -39.380000 * Longitude: 104.370000 * Date/Time: 1964-01-29T00:00:00 * Elevation: -4429.0 m * Recovery: 9.65 m * Campaign: * Basis: Robert Conrad * Method/Device: Piston corer (PC)

RC10-157 * Latitude: 24.783000 * Longitude: 159.133000 * Date/Time: 1966-05-17T00:00:00 * Elevation: -5682.0 m * Recovery: 9.62 m * Campaign: * Basis: Robert Conrad * Method/Device: Piston corer (PC)

Comment:

From 1983 until 1989 NOAA-NCEI compiled the NOAA-MMS Marine Minerals Geochemical Database from journal articles, technical reports and unpublished sources from other institutions. At the time it was the most extended data compilation on ferromanganese deposits world wide. Initially published in a proprietary format incompatible with present day standards it was jointly decided by AWI and NOAA to transcribe this legacy data into PANGAEA. This transfer is augmented by a careful checking of the original sources when available and the encoding of ancillary information (sample description, method of analysis...) not present in the NOAA-MMS database.

This dataset represents the digitized Table 1 - Part 1, pp. 144 of the related publication.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Event label	Event		Bender, Michael L
2	Latitude of event	Latitude		Bender, Michael L
3	Longitude of event	Longitude		Bender, Michael L
4	Elevation of event	Elevation	m	Bender, Michael L
5	Identification	ID		Bender, Michael L
6	DEPTH, sediment/rock	Depth sed	m	Bender, Michael L		Geocode
7	Depth, top/min	Depth top	m	Bender, Michael L
8	Depth, bottom/max	Depth bot	m	Bender, Michael L
9	Sediment type	Sediment		Bender, Michael L
10	Calcium carbonate	CaCO3	%	Bender, Michael L	Wet chemistry
11	Manganese	Mn	%	Bender, Michael L	Neutron activation analysis	in calcium carbonate free part
12	Accumulation rate, non carbonate	Acc rate non CaCO3	g/cm²/ka	Bender, Michael L	see description in data abstract
13	Accumulation rate, manganese	Acc rate Mn	g/cm²/ka	Bender, Michael L	see description in data abstract

License:

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

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

191 data points

Data

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

1 Event	2 Latitude	3 Longitude	4 Elevation [m]	5 ID	6 Depth sed [m]	8 Depth bot [m]	9 Sediment	10 CaCO3 [%]	11 Mn [%]	12 Acc rate non CaCO3 [g/cm²/ka]	13 Acc rate Mn [g/cm²/ka]
V20-247	31.8330	-58.3500	-5532	V20-247xBD70	6.425	12.85	Red clay		0.175	1.300	0.002300
V16-39	-24.7300	-4.7670	-4596	V16-39-1BD70	1.325	2.65	Carbonate ooze	0.68	0.660	0.084	0.000550
V20-107	43.4000	-178.9000	-5872	V20-107xBD70	2.650	5.30	Diatomaceous ooze		0.320	0.530	0.001700
V29-108	-36.4500	17.9330	-4054	V29-108xBD70	3.950	7.90	Diatomaceous ooze		0.340	0.790	0.002700
V21-63	22.8500	-169.7000	-4674	V21-63xBD70	0.525	1.05	Red clay		0.450	0.100	0.000450
V21-65	23.9670	-176.9000	-5365	V21-65xBD70	0.825	1.65	Red clay		0.480	0.170	0.000820
V21-67	24.9670	176.2700	-5879	V21-67-1BD70	0.575	1.15	Red clay		0.510	0.120	0.000610
V21-70	27.0830	166.0700	-5954	V21-70xBD70	0.325	0.65	Red clay		0.450	0.065	0.000290
V21-71	27.9000	162.5200	-5954	V21-71-1BD70	0.425	0.85	Red clay		0.590	0.085	0.000500
V21-73	29.4670	154.6000	-5872	V21-73-1BD70	2.625	5.25	Red clay		0.500	0.530	0.002600
RC10-157	24.7830	159.1330	-5682	RC10-157-1BD70	0.325	0.65	Red clay		0.510	0.065	0.000330
RC10-159	31.2170	162.3200	-5894	RC10-159xBD70	1.025	2.05	Red clay		0.370	0.210	0.000780
RC10-181	44.0830	176.8300	-5698	RC10-181xBD70	3.875	7.75	Red clay		0.400	0.780	0.003100
RC10-182	45.6170	177.8700	-5561	RC10-182xBD70	4.125	8.25	Red clay		0.300	0.830	0.002500
V19-116	11.2330	130.1670	-5841	V19-116xBD70	3.450	6.90	Red clay		0.360	0.690	0.002500
V16-132	-60.7300	-107.5000	-4898	V16-132xBD70	1.750	3.50	Diatomaceous ooze	0.05	0.176	0.330	0.000590
V16-133	-61.9300	-95.0500	-5062	V16-133xBD70	0.375	0.75	Diatomaceous ooze	0.03	0.129	0.073	0.000094
V16-134	-61.9000	-91.2500	-5138	V16-134xBD70	0.900	1.80	Diatomaceous ooze	0.02	0.370	0.180	0.000070
V18-72	-60.4800	-75.9500	-4695	V18-72xBD70	0.825	1.65	Diatomaceous ooze		0.099	0.170	0.000170
RC08-52	-41.1000	101.4200	-4393	RC08-52-1BD70	1.975	3.95	Carbonate ooze	0.69	0.910	0.120	0.001100
RC08-53	-39.3800	104.3700	-4429	RC08-53-2BD70	0.925	1.85	Carbonate rich clay	0.63	1.190	0.068	0.000820
V16-57	-45.2300	29.4830	-5289	V16-57xBD70	2.450	4.90	Diatomaceous ooze		0.114	0.490	0.000560
V16-60	-50.0000	36.7670	-4574	V16-60xBD70	2.800	5.60	Diatomaceous ooze	0.02	0.073	0.550	0.000400
V16-66	-42.6500	45.6670	-2985	V16-66-1BD70	1.950	3.90	Carbonate rich clay	0.85	0.810	0.058	0.000470
V16-70	-32.1000	55.8500	-4649	V16-70xBD70	0.775	1.55	Diatomaceous ooze	0.52	0.390	0.074	0.000290
V20-184	-25.8000	53.6830	-5031	V20-184xBD70	3.625	7.25	Red clay		0.470	0.730	0.003400