Citation:

PANGAEA.995248

Name: Generic composition of Kimmeridgian benthic foraminiferal assemblages, Normandy, NW France
Published: 2026-07-13
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Benthic foraminifera; Upper Jurassic

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Published: 2026-07-13 • DOI registered: 2026-07-13

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Abstract:

The following database results from the campaign 7817857/OF/AvH_Normandy; label event NORM-2023. The following observations made on the composition, abundance, and diversity of Kimmeridgian benthic foraminiferal assemblage have been compared with geochemical and mineralogical data in order to understand the dynamic of changes in depositional and climate conditions and its impact on the ecosystem. Methodology includes an analysis on the generic composition of Kimmeridgian benthic foraminiferal assemblages from Normandy, NW France. The study is based on 28 samples collected in discontinuous cliffs that run northwards from Le Havre, towards Cauville in Normandy, NW France. To extract the foraminiferal tests, sediment samples were dried, weighed, and disaggregated using tap water. The residue obtained was then sieved through a 63 μm mesh and is currently stored in the collection of the Institute of Geosciences at Geneva University (Germany). Foraminiferal specimens were manually picked with a needle under a light microscope. All foraminifers were counted for each sample. Then, the resulting database was standardized to 50 g of washed sediment. Samples have been collected in the discontinuous cliffs that run northwards from Le Havre, towards Cauville in Normandy, NW France. The following sections are studied: Cap de la Hève Section (HE) 49.5119,0.0672, 2M; Saint Andrieux Section (SA) 49.5414,0.0841, 1M ; and Tronquay Section (TR) 49.5350,0.0810 1M.

Keyword(s):

Benthic foraminifera; Upper Jurassic

Funding:

Alexander von Humboldt Foundation, grant/award no. 7817857/OF/AvH

Swiss National Science Foundation (SNF), grant/award no. 206021-133771

Coverage:

Median Latitude: 49.529433 * Median Longitude: 0.077433 * South-bound Latitude: 49.511900 * West-bound Longitude: 0.067200 * North-bound Latitude: 49.541400 * East-bound Longitude: 0.084100

Date/Time Start: 2023-09-07T00:00:00 * Date/Time End: 2023-09-07T00:00:00

Minimum Elevation: 1.0 m * Maximum Elevation: 2.0 m

Event(s):

NORM-2023_HE (Cap de la Héve Section) * Latitude: 49.511900 * Longitude: 0.067200 * Date/Time: 2023-09-07T00:00:00 * Elevation: 2.0 m * Location: Normandy, France * Method/Device: Outcrop sample (OUTCROP)

NORM-2023_SA (Saint Andrieux Section) * Latitude: 49.541400 * Longitude: 0.084100 * Date/Time: 2023-09-07T00:00:00 * Elevation: 1.0 m * Location: Normandy, France * Method/Device: Outcrop sample (OUTCROP)

NORM-2023_TR (Tronquay Section) * Latitude: 49.535000 * Longitude: 0.081000 * Date/Time: 2023-09-07T00:00:00 * Elevation: 1.0 m * Location: Normandy, France * Method/Device: Outcrop sample (OUTCROP)

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device
1	Event label	Event		Colpaert, Clémentine Peggy Anne-Marie
2	Sample ID	Sample ID		Colpaert, Clémentine Peggy Anne-Marie
3	Ammobaculites	Ammobaculites	#	Colpaert, Clémentine Peggy Anne-Marie	Counting >63 µm fraction
4	Triplasia	Triplasia	#	Colpaert, Clémentine Peggy Anne-Marie	Counting >63 µm fraction
5	Trochammina	Trochammina	#	Colpaert, Clémentine Peggy Anne-Marie	Counting >63 µm fraction
6	Haplophragmoides	Haplophragmoides	#	Colpaert, Clémentine Peggy Anne-Marie	Counting >63 µm fraction
7	Reophax	Reophax	#	Colpaert, Clémentine Peggy Anne-Marie	Counting >63 µm fraction
8	Verneuilinoides	Verneuilinoides	#	Colpaert, Clémentine Peggy Anne-Marie	Counting >63 µm fraction
9	Textularia	Textularia	#	Colpaert, Clémentine Peggy Anne-Marie	Counting >63 µm fraction
10	Paleogaudryina	Paleogaudryina	#	Colpaert, Clémentine Peggy Anne-Marie	Counting >63 µm fraction
11	Ramulina	Ramulina	#	Colpaert, Clémentine Peggy Anne-Marie	Counting >63 µm fraction
12	Rhizammina	Rhizammina	#	Colpaert, Clémentine Peggy Anne-Marie	Counting >63 µm fraction
13	Lenticulina	Lenticulina	#	Colpaert, Clémentine Peggy Anne-Marie	Counting >63 µm fraction
14	Pseudonodosaria	Pseudonodosaria	#	Colpaert, Clémentine Peggy Anne-Marie	Counting >63 µm fraction
15	Spirillina	Spirillina	#	Colpaert, Clémentine Peggy Anne-Marie	Counting >63 µm fraction
16	Citharina	Citharina	#	Colpaert, Clémentine Peggy Anne-Marie	Counting >63 µm fraction
17	Citharinella	Citharinella	#	Colpaert, Clémentine Peggy Anne-Marie	Counting >63 µm fraction
18	Marginulina	Marginulina	#	Colpaert, Clémentine Peggy Anne-Marie	Counting >63 µm fraction
19	Marginulinopsis	Marginulinopsis	#	Colpaert, Clémentine Peggy Anne-Marie	Counting >63 µm fraction
20	Tristix	Tristix	#	Colpaert, Clémentine Peggy Anne-Marie	Counting >63 µm fraction
21	Planularia	Planularia	#	Colpaert, Clémentine Peggy Anne-Marie	Counting >63 µm fraction
22	Dentalina	Dentalina	#	Colpaert, Clémentine Peggy Anne-Marie	Counting >63 µm fraction
23	Ophthalmidium	Ophthalmidium	#	Colpaert, Clémentine Peggy Anne-Marie	Counting >63 µm fraction
24	Saracenaria	Saracenaria	#	Colpaert, Clémentine Peggy Anne-Marie	Counting >63 µm fraction
25	Falsopalmula	Falsopalmula	#	Colpaert, Clémentine Peggy Anne-Marie	Counting >63 µm fraction
26	Epistomina	Epistomina	#	Colpaert, Clémentine Peggy Anne-Marie	Counting >63 µm fraction
27	Nodosaria	Nodosaria	#	Colpaert, Clémentine Peggy Anne-Marie	Counting >63 µm fraction
28	Vaginulina	Vaginulina	#	Colpaert, Clémentine Peggy Anne-Marie	Counting >63 µm fraction
29	Eoguttulina	Eoguttulina	#	Colpaert, Clémentine Peggy Anne-Marie	Counting >63 µm fraction
30	Pseudolamarckina	Pseudolamarckina	#	Colpaert, Clémentine Peggy Anne-Marie	Counting >63 µm fraction
31	Astacolus	Astocolus	#	Colpaert, Clémentine Peggy Anne-Marie	Counting >63 µm fraction
32	Conorbina	Conorbina	#	Colpaert, Clémentine Peggy Anne-Marie	Counting >63 µm fraction
33	Conorboides	Conorboides	#	Colpaert, Clémentine Peggy Anne-Marie	Counting >63 µm fraction

License:

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

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

896 data points

Data

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

1 Event	2 Sample ID	3 Ammobaculites [#]	4 Triplasia [#]	5 Trochammina [#]	6 Haplophragmoides [#]	7 Reophax [#]	8 Verneuilinoides [#]	9 Textularia [#]	10 Paleogaudryina [#]	11 Ramulina [#]	13 Lenticulina [#]	14 Pseudonodosaria [#]	15 Spirillina [#]	16 Citharina [#]	17 Citharinella [#]	18 Marginulina [#]	19 Marginulinopsis [#]	20 Tristix [#]	21 Planularia [#]	22 Dentalina [#]	23 Ophthalmidium [#]	24 Saracenaria [#]	25 Falsopalmula [#]	26 Epistomina [#]	27 Nodosaria [#]	28 Vaginulina [#]	29 Eoguttulina [#]	30 Pseudolamarckina [#]	31 Astocolus [#]	32 Conorbina [#]	33 Conorboides [#]
NORM-2023_TR	TR6	3	0	0	0	0	0	0	0	0	56	0	0	0	0	0	0	0	10	0	0	0	0	0	0	0	0	0	0	0	0
NORM-2023_TR	TR5	17	0	0	0	0	0	0	0	0	65	0	0	0	0	0	0	0	5	1	0	0	0	1	0	0	0	0	0	0	0
NORM-2023_TR	TR4	12	0	0	0	0	0	0	0	0	122	0	0	0	0	1	0	0	9	0	0	0	0	0	1	0	0	0	1	0	0
NORM-2023_TR	TR3	0	0	0	0	0	0	0	0	0	76	0	0	0	0	0	0	0	6	0	0	0	0	0	0	1	0	1	0	0	0
NORM-2023_TR	TR2	2	0	0	0	0	0	0	0	0	133	0	0	0	0	0	0	0	18	0	0	0	0	1	0	0	0	2	0	0	0
NORM-2023_TR	TR1	3	0	0	0	0	0	0	0	0	89	0	0	1	0	0	0	0	2	0	0	0	0	0	3	0	0	0	0	0	0
NORM-2023_TR	TR0	4	0	0	0	0	0	2	0	0	81	0	1	2	0	1	0	0	41	5	0	0	0	0	1	1	0	2	0	2	0
NORM-2023_TR	CR11	1	0	0	0	0	0	0	0	0	6	0	0	0	0	16	0	0	0	6	0	3	0	0	0	0	1	0	0	12	19
NORM-2023_TR	CR10	0	0	0	0	0	0	0	1	1	5	0	0	0	0	0	0	0	0	0	0	0	0	1	1	1	0	0	0	3	0
NORM-2023_SA	SA9	20	0	0	0	0	0	0	0	0	229	0	21	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
NORM-2023_SA	SA8	17	0	0	0	0	0	0	1	0	24	0	21	0	0	0	0	0	5	6	0	0	0	0	0	0	0	0	0	0	0
NORM-2023_SA	SA7	2	0	0	0	0	0	0	0	0	169	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
NORM-2023_SA	SA6	13	0	0	0	0	1	1	0	0	93	0	0	10	0	2	0	1	20	1	0	0	1	0	0	0	0	0	0	0	0
NORM-2023_SA	SA5	13	0	0	0	0	0	0	1	0	102	0	0	23	0	0	0	0	2	1	1	0	0	0	0	0	0	0	0	1	0
NORM-2023_SA	SA4	40	0	0	0	0	0	0	0	0	54	0	0	25	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0
NORM-2023_SA	SA3	39	0	0	0	0	0	0	0	0	126	0	0	21	0	0	0	0	3	1	0	9	0	0	0	0	0	0	0	0	0
NORM-2023_SA	SA2	29	1	0	0	0	1	1	0	0	106	0	0	20	0	1	0	0	2	4	0	0	0	0	0	0	0	0	0	0	0
NORM-2023_SA	SA1	3	0	0	0	0	0	0	0	0	17	9	0	0	0	0	0	0	0	2	1	0	0	0	0	0	0	0	0	0	0
NORM-2023_HE	HE10	1	0	1	54	0	0	0	0	0	17	0	0	20	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0
NORM-2023_HE	HE9	4	0	0	4	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
NORM-2023_HE	HE8	2	0	0	4	2	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
NORM-2023_HE	HE7	0	0	0	2	0	0	0	0	0	0	0	2	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
NORM-2023_HE	HE6	6	2	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
NORM-2023_HE	HE4	0	0	0	89	0	0	0	0	0	23	0	0	15	2	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0	0
NORM-2023_HE	HE3	1	2	0	0	0	0	0	0	0	21	0	0	0	0	6	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
NORM-2023_HE	HE2	0	0	0	0	0	0	0	0	0	99	0	0	0	0	10	0	2	9	0	0	0	0	0	0	0	0	0	0	0	0
NORM-2023_HE	HE1	0	0	0	0	0	0	0	0	0	99	0	0	3	1	2	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0
NORM-2023_HE	HE5	1	0	0	0	0	0	0	0	0	221	1	2	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0