Citation:

meyniana.1980.32.105

Name: (Table T1) Geochemical composition of flintstones obtained from Helgoland, North Sea and Hemmoor, north Germany
Creator: Fritz Krüger
Published: 1980
License: https://creativecommons.org/licenses/by/3.0/

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Abstract:

The results of investigations carried out between 1975 and 1978 are summarized. Based on observed echinoid association the flintstones were assigned to the Upper Middle Turonian. The distribution of elements was determined with nuclear absorption spectrometric methods. The black and red flintstones contain similar amounts of iron but differentiate themselves in the carbon content with the carbon being present only in black flintstones. It is assumed that the red coloration of the flintstone was caused by precipitated iron (Fe2O3) during its genesis. Although the Lower Turonian red flintstones are also present in the North Sea area, only those from Helgoland are analysed In this study.

Coverage:

Median Latitude: 53.938550 * Median Longitude: 8.537600 * South-bound Latitude: 53.687200 * West-bound Longitude: 7.913200 * North-bound Latitude: 54.189900 * East-bound Longitude: 9.162000

Minimum Elevation: 0.0 m * Maximum Elevation: 3.0 m

Event(s):

Helgoland_Dune * Latitude: 54.189900 * Longitude: 7.913200 * Elevation: 0.0 m * Location: German Bight, North Sea * Campaign: * Basis: Marine Station Helgoland * Method/Device: Sampling by hand (HAND)

Hemmoor * Latitude: 53.687200 * Longitude: 9.162000 * Elevation: 3.0 m * Location: Germany

Comment:

Concentrations were originally given in ppm.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Event label	Event
2	Longitude of event	Longitude
3	Latitude of event	Latitude
4	Area/locality	Area		Krüger, Fritz
5	Stage	Stage		Krüger, Fritz
6	Rock type	Rock		Krüger, Fritz
7	Carbon, total	TC	mg/kg	Krüger, Fritz
8	Loss on ignition	LOI	%	Krüger, Fritz
9	Iron	Fe	mg/kg	Krüger, Fritz	Atomic absorption spectrometry (AAS)
10	Manganese	Mn	mg/kg	Krüger, Fritz	Atomic absorption spectrometry (AAS)	>0 = traces
11	Calcium	Ca2+	mg/kg	Krüger, Fritz	Atomic absorption spectrometry (AAS)
12	Aluminium	Al	mg/kg	Krüger, Fritz	Atomic absorption spectrometry (AAS)
13	Magnesium	Mg2+	mg/kg	Krüger, Fritz	Atomic absorption spectrometry (AAS)
14	Potassium	K	mg/kg	Krüger, Fritz	Atomic absorption spectrometry (AAS)
15	Sodium	Na	mg/kg	Krüger, Fritz	Atomic absorption spectrometry (AAS)
16	Zinc	Zn	mg/kg	Krüger, Fritz	Atomic absorption spectrometry (AAS)

License:

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

Size:

36 data points

Data

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

1 Event	2 Longitude	3 Latitude	4 Area	5 Stage	6 Rock	7 TC [mg/kg]	8 LOI [%]	9 Fe [mg/kg]	10 Mn [mg/kg]	11 Ca2+ [mg/kg]	12 Al [mg/kg]	13 Mg2+ [mg/kg]	14 K [mg/kg]	15 Na [mg/kg]	16 Zn [mg/kg]
Helgoland_Dune	7.9132	54.1899	Helgoland Düne, Nordstrand, unterseeisch	Turonian	schwarzer Flintbereich I	800	2.62	810	12	540	500	40	400	500
Helgoland_Dune	7.9132	54.1899	Helgoland Düne, Nordstrand, unterseeisch	Turonian	roter Flintbereich II	0		825	14	670	582	58	347	580
Hemmoor	9.1620	53.6872	Hemmoor, Kreidegrube, Flintbank F82	Maastrichtian	schwarzer Flint III	400	1.51	714	>0	860	1270	101	704	583	16