Citation:

S0277-3791(97)00089-9

Name: Beryllium-10, mineralogy and grain size distribution of DSDP Hole 68-502B (Table 1)
Published: 1998
License: https://creativecommons.org/licenses/by/3.0/

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Abstract:

We present a high-resolution 10Be profile from deep sea sediments (sampled from Hole 502B in the Caribbean sea) that strongly resembles the 10Be record in ice core profiles, particularly the Vostok core from Antarctica. This high-resolution profile revealed occurrences of enhanced 10Be concentrations at about 23-24, 37-39 and 60-65 ka. The excellent match between these peaks appearing in a georeservoir profile other than in polar ice, strengthens the implications that can be inferred from 10Be and provide global markers for chronological correlation of climatic events. The position at low latitude of the studied sediment section is, unlike the case with the high latitude polar regions, excellent for exposing causes of modulation in 10Be production. We interpret the source of the pattern and enhancements, particularly the 37-39 ka peak, of 10Be to be global and do not strictly relate to climatic conditions and/or production rates specific to the polar regions.

Project(s):

Deep Sea Drilling Project (DSDP)

Coverage:

Latitude: 11.491800 * Longitude: -79.378200

Date/Time Start: 1979-08-16T00:00:00 * Date/Time End: 1979-08-16T00:00:00

Minimum DEPTH, sediment/rock: 0.00 m * Maximum DEPTH, sediment/rock: 1.70 m

Event(s):

68-502B * Latitude: 11.491800 * Longitude: -79.378200 * Date/Time: 1979-08-16T00:00:00 * Elevation: -3051.0 m * Penetration: 99.7 m * Recovery: 87.7 m * Location: Caribbean Sea/RIDGE * Campaign: * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 23 cores; 99.7 m cored; 0 m drilled; 88 % recovery

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	DEPTH, sediment/rock	Depth sed	m			Geocode
2	Beryllium-10	10Be	10⁹ atoms/g	Aldahan, Ala	Accelerator mass spectrometry (AMS)	bulk sample
3	Beryllium-10, standard deviation	10Be std dev	±	Aldahan, Ala	Accelerator mass spectrometry (AMS)	bulk sample
4	Age model	Age model	ka	Aldahan, Ala	Age model, stable isotope stratigraphy	d18O
5	Age, dated	Age dated	ka	Aldahan, Ala	Age, 14C AMS
6	Age, dated standard deviation	Age dated std dev	±	Aldahan, Ala	Age, 14C AMS
7	Calcium carbonate	CaCO3	%	Aldahan, Ala		wt. %
8	Beryllium-10	10Be	10⁹ atoms/g	Aldahan, Ala	Accelerator mass spectrometry (AMS)	non carbonate
9	Quartz	Qz	%	Aldahan, Ala	X-ray diffraction (XRD)	vol. %
10	Feldspar	Fsp	%	Aldahan, Ala	X-ray diffraction (XRD)	vol. %
11	Clay minerals	Clay min	%	Aldahan, Ala	X-ray diffraction (XRD)	vol. %
12	Calcite	Cal	%	Aldahan, Ala	X-ray diffraction (XRD)	vol. %
13	Size fraction > 0.064 mm	>64 µm	%	Aldahan, Ala	Grain size, CILAS 715 B Laser Particle Analyser	vol. %
14	Size fraction 0.064-0.032 mm	64-32 µm	%	Aldahan, Ala	Grain size, CILAS 715 B Laser Particle Analyser	vol. %
15	Size fraction 0.032-0.006 mm	32-6 µm	%	Aldahan, Ala	Grain size, CILAS 715 B Laser Particle Analyser	vol. %
16	Size fraction 0.006-0.002 mm	6-2 µm	%	Aldahan, Ala	Grain size, CILAS 715 B Laser Particle Analyser	vol. %
17	Size fraction < 0.002 mm, clay	<2 µm	%	Aldahan, Ala	Grain size, CILAS 715 B Laser Particle Analyser	vol. %
18	Density	Density	g/cm³	Aldahan, Ala		vol. %

License:

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

Size:

615 data points

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