Citation:

PANGAEA.889083

Name: Sediment characteristics of Van Veen samples of MEDWAVES expedition (H2020 ATLAS project)
Published: 2018-04-25
License: https://creativecommons.org/licenses/by/3.0/

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Published: 2018-04-25 • DOI registered: 2018-06-27

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Abstract:

The present data shows the main sediment characteristics (sediment type and colour), as well as some details of the biota detected, in different seamounts that were studied within the framework of the MEDWAVES expedition (H2020 ATLAS project), between September and October 2016. A total of four box-corer (BC) samples were collected at Gazul mud volcano (Gulf of Cadiz), one BC and six Van-Veen (VV) samples at Ormonde seamount (SW Portugal continental platform), 16 VV samples at Formigas seamount (Azores Islands), and finally 13 VV samples at Chella Bank (NE Alboran Sea). Overall, sediment samples collected at Gazul corresponded to very fine sandy bottoms; deep sediment samples at Ormonde corresponded to very fine muddy sands, whereas shallowest ones corresponded to medium-fine sands, in some cases with a high proportion of gravels, and a moderate to low %mud; at Formigas, sediment samples corresponded to fine-very fine and medium-fine sandy bottoms, with %mud increasing with depth; whereas sediments collected at the SW sector of Chella Bank corresponded to muddy sands, most E sampling stations displayed fine-very fine sandy bottoms with a high % mud and abundant coral remains, and samples collected at the S sector corresponded to medium-fine and very fine sands, with a moderate %mud.

Related to:

Orejas, Covadonga; Addamo, Anna; Álvarez, Marta; Aparicio, Alberto; Alcoverro, Daniel; Arnaud-Haond, Sophie; Bilan, Meri; Boavida, Joana; Caínzos, Verónica; Calderón, Rubén; Cambeiro, Peregrino; Castaño, Mónica; Fox, Alan; Gallardo, Marina; Gori, Andrea; Gutiérrez, Cristina; Henry, Lea-Anne; Hermida, Miriam; Jiménez, Juan Antonio; Lopez-Jurado, Jose Luis; Mateo-Ramírez, Ángel; Mateu, Guillem; Matoso, José Luis; Méndez, Carlos; Morillas, Ana; Movilla, Juancho; Olariaga, Alejandro; Paredes, Manuel; Pelayo, Víctor; Piñeiro, Safo; Rakka, Maria; Ramírez, Teodoro; Ramos, Manuela; Reis, Jesus; Rivera, Jesús; Romero, Alberto; Rueda, José Luis; Salvador, Toni; Sampaio, Íris; Sánchez, Héctor; Santiago, Rocío; Serrano, Alberto; Taranto, Gerald; Urra, Javier; Vélez-Belchí, Pedro; Viladrich, Nuria; Zein, Martha (accepted): Cruise Summary Report - Medwaves Survey (Mediterranean Out Flow Water And Vulnerable Ecosystems). Zenodo, https://doi.org/10.5281/zenodo.556516

Project(s):

A Trans-Atlantic assessment and deep-water ecosystem-based spatial management plan for Europe (ATLAS)

Funding:

Horizon 2020 (H2020), grant/award no. 678760 : A Trans-Atlantic assessment and deep-water ecosystem-based spatial management plan for Europe

Coverage:

Median Latitude: 36.888591 * Median Longitude: -13.521846 * South-bound Latitude: 36.370000 * West-bound Longitude: -24.755833 * North-bound Latitude: 37.342700 * East-bound Longitude: -2.669333

Date/Time Start: 2016-09-22T16:16:00 * Date/Time End: 2016-10-25T17:31:00

Minimum DEPTH, water: 250 m * Maximum DEPTH, water: 1936 m

Event(s):

Formigas-55 * Latitude: 37.151500 * Longitude: -24.628333 * Date/Time Start: 2016-09-30T14:58:00 * Date/Time End: 2016-09-30T16:04:00 * Elevation: -1535.0 m * Location: Atlantic Ocean * Campaign: * Basis: Sarmiento de Gamboa * Method/Device: van Veen Grab (VGRAB)

Formigas-56 * Latitude: 37.150000 * Longitude: -24.628333 * Date/Time Start: 2016-09-30T16:20:00 * Date/Time End: 2016-09-30T17:10:00 * Elevation: -1536.0 m * Location: Atlantic Ocean * Campaign: * Basis: Sarmiento de Gamboa * Method/Device: van Veen Grab (VGRAB)

Formigas-58 * Latitude: 37.178800 * Longitude: -24.632500 * Date/Time Start: 2016-09-30T19:08:00 * Date/Time End: 2016-09-30T19:54:00 * Elevation: -1172.0 m * Location: Atlantic Ocean * Campaign: * Basis: Sarmiento de Gamboa * Method/Device: van Veen Grab (VGRAB)

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Comment
1	Event label	Event		Urra, Javier
2	Sector	Sector		Urra, Javier
3	Sample ID	Sample ID		Urra, Javier	MEDWAVES expedition code
4	Sample ID	Sample ID		Urra, Javier	Sample code
5	DEPTH, water	Depth water	m	Urra, Javier	Geocode
6	Sample comment	Sample comment		Urra, Javier	Validity of sample
7	Gear	Gear		Urra, Javier	Dredge type
8	Size	Size		Urra, Javier	Dredge dimension
9	Size	Size		Urra, Javier	Volume of sediment collected
10	Main Lithology	Main lith		Urra, Javier
11	Color code HLS-system	Color HLS		Urra, Javier
12	Description	Description		Urra, Javier	Biota detected
13	Description 2 (continued)	Description 2		Urra, Javier	Biota detected

License:

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

Size:

450 data points

Data

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

1 Event	2 Sector	3 Sample ID (MEDWAVES expedition code)	4 Sample ID (Sample code)	5 Depth water [m]	6 Sample comment (Validity of sample)	7 Gear (Dredge type)	8 Size (Dredge dimension)	9 Size (Volume of sediment collected)	10 Main lith	11 Color HLS	12 Description (Biota detected)	13 Description 2 (Biota detected)
Gazul-10	GAZUL Mud Volcano	10	BC01	444	OK	Box corer UTM	30 x 20 x 45 cm	10 liters	Muddy coarse sediment	Brown (7.5YR 7/4)	Bryozoans and bivalve remains, and live specimens of the polychaetes Hyalinoecia tubicola and Lanice conchilega
Gazul-11	GAZUL Mud Volcano	11	BC02	450	OK	Box corer	30 x 20 x 45 cm	5 liters	Muddy fine sediment with some gravels	Brown (10YR 4/2)	Brachiopod and bivalve remains, and live specimens of the bivalves Astarte sulcata, Asperarca nodulosa and Cuspidaria cf. cuspidata
Gazul-12	GAZUL Mud Volcano	12	BC03	446	Qualitative	Box corer	30 x 20 x 45 cm	A qualitative sample	Gravel and slab fragments as well as crusts	-	Bivalves (Astarte sulcata), bryozoans, Caryophyllia and Madrepora oculata remains. Digitate sponges and a juvenile specimen of Acanthogorgia sp.
Gazul-21	GAZUL Mud Volcano	21	BC04	470	OK	Box corer	30 x 20 x 45 cm	5 liters	Muddy coarse sediment	Brown (10YR 4/3)	Echinoid (Cidaris sp.), coral, bivalve (Astarte) and polychaete (e.g. Ditrupa) remains
Ormonde-37	ORMONDE Seamount	37	BC05	1919	OK	Box corer	30 x 20 x 45 cm	20 liters	Muddy fine sediment with hemipelagic mud	Brown (2.5Y 6/4)	Pteropod shells (Cavolinia)
Formigas-55	FORMIGAS Seamount	55	VV01	1535	OK	Van Veen Baleares	36 x 30 x 16 cm	4 liters	Muddy fine and medium sand sediment and centimetric black basaltic and pumice stones	Brown (2.5Y 5/3)	Pteropod shells (Cavolinia), sea-urchin spines and some gastropod shells (Nodulus), as well as bryozoan remains and some live gastropods
Formigas-56	FORMIGAS Seamount	56	VV02	1536	OK	Van Veen Baleares	36 x 30 x 16 cm	6 liters	Muddy fine and medium sand with centimetric black basaltic and pumice stones	Brown (2.5Y 5/3)	Pteropod shells (Cavolinia) and sea-urchin spines
Formigas-58	FORMIGAS Seamount	58	VV03	1172	OK	Van Veen Baleares	36 x 30 x 16 cm	3 liters	Muddy fine sand	Brown-grey (2.5Y 5/3)	Pteropod shells (Cavolinia) and some polychaetes
Formigas-59	FORMIGAS Seamount	59	VV04	1173	OK	Van Veen Baleares	36 x 30 x 16 cm	3 liters	Muddy fine sand with centimetric black basaltic stones	Brown-grey (2.5Y 5/3)	Pteropod shells (Cavolinia, Diacria, Clio)
Formigas-66	FORMIGAS Seamount	66	VV05	1122	Qualitative	Van Veen Baleares	36 x 30 x 16 cm	A qualitative sample	Fine sand	Brown color (2.5Y 4/3)	Pteropod shells ( Cavolinia), an echinoid plate, bryozoan remains and one ophiuroid
Formigas-67	FORMIGAS Seamount	67	VV06	1246	OK	Van Veen Baleares	36 x 30 x 16 cm	6 liters	Muddy fine-medium sand	Brown (2.5Y 5/3)	Pteropod shells (Cavolinia)
Formigas-79	FORMIGAS Seamount	79	VV07	1018	OK	Van Veen Baleares	36 x 30 x 16 cm	6 liters	Muddy fine sand	Brown-grey(2.5Y 5/3).	Pteropod shells (Cavolinia), pelagic foraminifers, hydrocoral (Crypterya), cold-water coral (Lophelia,Madrepora) and balanid remains
Formigas-80	FORMIGAS Seamount	80	VV08	1018	Not valid	Van Veen Baleares	36 x 30 x 16 cm
Formigas-81	FORMIGAS Seamount	81	VV09	1018	Not valid	Van Veen Baleares	36 x 30 x 16 cm
Formigas-90	FORMIGAS Seamount	90	VV10	746	rock	Van Veen Baleares	36 x 30 x 16 cm	A qualitative sample	A rock fragment (25x15 cm)	Brown color (2.5Y 5/4).	Coral rubble, shells and polychaete tube remains
Formigas-91	FORMIGAS Seamount	91	VV11	746	Not valid	Van Veen Baleares	36 x 30 x 16 cm
Formigas-92	FORMIGAS Seamount	92	VV12	746	Qualitative	Van Veen Baleares	36 x 30 x 16 cm	A qualitative sample			Coral rubble. Live specimens include hydrozoans and ophiuroids
Formigas-104	FORMIGAS Seamount	104	VV13	1415	OK	Van Veen Baleares	36 x 30 x 16 cm	6 liters	Muddy-fine sand	Brown (2.5Y 6/3)	Pteropod shells (Cavolinia)
Formigas-105	FORMIGAS Seamount	105	VV14	1415	Not valid	Van Veen Baleares	36 x 30 x 16 cm
Formigas-106	FORMIGAS Seamount	106	VV15	1415	OK	Van Veen Baleares	36 x 30 x 16 cm	1 liter	Muddy-fine sand	Brown (2.5Y 5/3)	Pteropod shells (Cavolinia)
Formigas-114	FORMIGAS Seamount	114	VV16	1324	Not valid	Van Veen Baleares	36 x 30 x 16 cm
Formigas-115	FORMIGAS Seamount	115	VV17	1324	OK	Van Veen Baleares	36 x 30 x 16 cm	10 liters	Muddy-fine sediment	Brown (2.5Y 5/3)	Pteropod shells (Cavolinia) Live specimens include small sponges
Formigas-116	FORMIGAS Seamount	116	VV18	1324	OK	Van Veen Baleares	36 x 30 x 16 cm	5 liters	Muddy fine sediment with a high amount of hemipelagic mud.	Brown (2.5Y 5/3)	Pteropod shells (Cavolinia)
Formigas-123	FORMIGAS Seamount	123	VV19	1312	Not valid	Van Veen Baleares	36 x 30 x 16 cm
Formigas-128	FORMIGAS Seamount	128	VV20	1043	OK	Van Veen Baleares	36 x 30 x 16 cm	6 liters	Muddy fine sediment	Brown color (5Y 4/4)	Pteropod shells (Cavolinia)
Formigas-129	FORMIGAS Seamount	129	VV21	1048	Not valid	Van Veen Baleares	36 x 30 x 16 cm
Formigas-130	FORMIGAS Seamount	130	VV22	1048	OK	Van Veen Baleares	36 x 30 x 16 cm	8 liters	Muddy-sand sediment	Brown (2.5Y 4/3)	Pteropod shells and a Cidaris spine. Live specimens include one button coral
Formigas-131	FORMIGAS Seamount	131	VV23	1069	OK	Van Veen Baleares	36 x 30 x 16 cm	10 liters	Muddy fine sediment	Brown (2.5Y 4/3)	Pteropod shells. Live specimens include one cirriped over a small stone
Ormonde-139	ORMONDE Seamount	139	VV24	1936	OK	Van Veen Baleares	36 x 30 x 16 cm	8 litres	Hemipelagic mud	Brown (2.5Y 6/3)	Pteropod shells (Cavolinia, Diacria), foraminifera, spicule of poriferans and remains of bivalves (Malletia sp)
Ormonde-140	ORMONDE Seamount	140	VV25	1931	OK	Van Veen Baleares	36 x 30 x 16 cm	8 liters	Hemipelagic mud	Brown (2.5Y 6/3)	Pteropods shells. (Cavolinia, Diacria, Clio), Foraminifera, sea urchin spines and basal part of Isidella elongata
Ormonde-147	ORMONDE Seamount	147	VV26	1235	OK	Van Veen Baleares	36 x 30 x 16 cm	6 liters	Hemipelagic mud	Brown (2.5Y 7/3)	Pteropod shells (Cavolinia, Diacria, Clio), benthic and pelagic foraminifers, cold-water coral and octocoral remains (Solenosmilia, Acanella) as well as brachiopods and bivalve molluscs (Cuspidaria, Pseudamussium).	Among live specimens there are poriferans similar to Polymastia, bryozoans colonizing gravels, gastropods (Amphissa, Clelandella) and ophiuroids.
Ormonde-148	ORMONDE Seamount	148	VV27	1235	OK	Van Veen Baleares	36 x 30 x 16 cm	4 liters	Hemipelagic mud	Brown (2.5Y 7/3)	Pteropods (Cavolinia, Clio, Diacria), cold-water corals (Solenosmyllia) and bryozoans
Ormonde-157	ORMONDE Seamount	157	VV28	1143	OK	Van Veen Baleares	36 x 30 x 16 cm	8 litres	Muddy sand with hemipelagic mud	light brown color (2.5Y 6/4)	Pteropod shells (Cavolinia, Clio, Diacria) and foraminifers (Orbulina, Globorotalia). Live specimens include small globular poriferans, polychaetes (Capitellidae, Eunicidae) and mollusc (Dentalium, Yoldiella, Cuspidaria).
Ormonde-158	ORMONDE Seamount	158	VV29	1144	Not valid	Van Veen Baleares	36 x 30 x 16 cm
Seco_de_los_Olivos-177	SECO DE LOS OLIVOS (Chella Bank)	177	VV30	729	Not valid	Van Veen Baleares	36 x 30 x 16 cm
Seco_de_los_Olivos-178	SECO DE LOS OLIVOS (Chella Bank)	178	VV31	729	OK	Van Veen Baleares	36 x 30 x 16 cm	8 litres	Hemipelagic mud	Brown (10YR 5/2)	Remains of Aporrhais, Lunatia and slag and some live specimens (Abra sp., polychaetes, Amphipods and isopods)
Seco_de_los_Olivos-180	SECO DE LOS OLIVOS (Chella Bank)	180	VV32	729	OK	Van Veen Baleares	36 x 30 x 16 cm	8 litres	Hemipelagic mud	Brown (10YR 5/2)	Remains of Aporrhais and Calumbonella, as well as some live fauna (mainly polychaetes and amphipods)
Seco_de_los_Olivos-183	SECO DE LOS OLIVOS (Chella Bank)	183	VV33	637	Not valid	Van Veen Baleares	36 x 30 x 16 cm
Seco_de_los_Olivos-184	SECO DE LOS OLIVOS (Chella Bank)	184	VV34	637	OK	Van Veen Baleares	36 x 30 x 16 cm	8 litres	Hemipelagic mud	Brown (10YR 5/2)	Pteropod shells (Cavolinia) and foraminifers
Seco_de_los_Olivos-193	SECO DE LOS OLIVOS (Chella Bank)	193	VV35	320	OK	Van Veen Baleares	36 x 30 x 16 cm	3 liters	Sandy mud	Brown (10Y 4/4)	Coral rubble (mainly containing M. oculata) and brachiopods (Gryphus)
Seco_de_los_Olivos-194	SECO DE LOS OLIVOS (Chella Bank)	194	VV36	321	OK	Van Veen Baleares	36 x 30 x 16 cm	4 liters	Sand with bioclast	Brown (10Y 4/4)	Coral rubble (mainly Madrepora ) and rock fragments
Seco_de_los_Olivos-195	SECO DE LOS OLIVOS (Chella Bank)	195	VV37	322	OK	Van Veen Baleares	36 x 30 x 16 cm	6 liters	Hemipelagic sand	Brown (2.5Y 6/3)	Coral remains (Madrepora, Lophelia, Caryophyllia) and live specimens of bryozoans, hydrozoans, polychaetes, bivalves (Abra, Cuspidaria) and gastropods (Mitrella, Danilia)
Seco_de_los_Olivos-197	SECO DE LOS OLIVOS (Chella Bank)	197	VV38	250	OK	Van Veen Baleares	36 x 30 x 16 cm	8 liters	Mud with fragmented coral rubble (Madrepora)	Brown (10Y 4/2)	Sponges (Terpios, Haliclona), echinoderms (Ophiothrix, Crinoids), Bryozoa (Reteporella), Polychaetes (Eunice), Brachiopods, Gastropods (Coralliophylia)
Seco_de_los_Olivos-198	SECO DE LOS OLIVOS (Chella Bank)	198	VV39	250	OK	Van Veen Baleares	36 x 30 x 16 cm	8 liters	Mud and gravels with coral rubble (Madrepora)	Brown (10Y 4/2)	A specimen of the fish Gaidropsaurus vizcayensis, as well as solitary corals, mainly Caryophyllia (fixed in absolut Ethanol), ophiuroids (Ophiothrix), crinoids, Brachiopods, small sponges (Terpios, Haliclona)	as well as small Zoantharians (fixed absolut Ethanol)
Seco_de_los_Olivos-199	SECO DE LOS OLIVOS (Chella Bank)	199	VV40	250	OK	Van Veen Baleares	36 x 30 x 16 cm	8 liters	Mud and gravels with coral rubble (Madrepora)	Brown (10Y 4/2)	Live Invertebrates (Ophiothrix, crinoids, Coralliophila, Caryophyllia, Haliclona, small zoantharians and brachiopods)
Seco_de_los_Olivos-200	SECO DE LOS OLIVOS (Chella Bank)	200	VV41	381	OK	Van Veen Baleares	36 x 30 x 16 cm	8 liters	Hemipelagic mud	Brown (10Y 4/2)	Dead (Abra, Calumbonella and Brissopsis) and live fauna, being the latter mainly represented by polychaetes and bivalves( Abra sp.)
Seco_de_los_Olivos-212	SECO DE LOS OLIVOS (Chella Bank)	212	VV42	280	OK	Van Veen Baleares	36 x 30 x 16 cm	8 liters	Sand with bioclast	Brown (2,5Y 4/2)	Bioclasts of Pectinidae, Cuspidaria and Bryozoa and live fauna represented by small hydrozoans, bivalves and polychaetes
Seco_de_los_Olivos-213	SECO DE LOS OLIVOS (Chella Bank)	213	VV43	280	OK	Van Veen Baleares	36 x 30 x 16 cm	8 liters	Sand, mud and bioclasts	Brown (2,5Y 4/2)	Bioclasts of Gryphus vitreus, bryozoans and bivalves as well as live fauna containing polychaetes and bivalves
Seco_de_los_Olivos-214	SECO DE LOS OLIVOS (Chella Bank)	214	VV44	440	OK	Van Veen Baleares	36 x 30 x 16 cm	8 liters	Mud with coral	Brown (7,5Y 4/2)	Coral (Madrepora, Desmophyllum, Lophelia, Caryophyllia) and bivalve remains (Astarte) as well as live fauna represented by polychaetes and bivalves (Astarte)