SEAPSO 2

Type	Oceanographic cruise
Ship	Jean Charcot
Ship owner	Ifremer
Dates	09/11/1985 - 29/11/1985
Chief scientist(s)	RECY Jacques
	GEOSCIENCES AZUR - SITE DE VILLEFRANCHE Observatoire Oceanologique La Darse BP 48 06235 VILLEFRANCHE-SUR-MER Cedex +33 (0)4 93.76.37.43 gsa-vlfr@geoazur.unice.fr https://geoazur.oca.eu/
DOI	10.17600/85005111
Objective	Study of tectonics in the fore-arc zone and in particular of the interaction of aseismic ridges and subduction zones. Tectonic study of the back arc zone. Study of the hydrothermalism of the back-arc basins at different stages of their formation. Corresponding cruise within the framework of the EXTRAPLAC programme to the GEODAS cruise, No 67010153 and including measurements in the zone(s): New Caledonia.

Data managed by SISMER

Sampling operations

Name	Dive	Equipement	Date	Location	Depth(m)
SPS2-D1	-	Drague à roche (TYPE NON PRECISE)	19851101 00:00:0001/11/1985 00:00:00	12° 12.900' S 167° 34.600' E	1470
SPS2-D10	-	Drague à roche (TYPE NON PRECISE)	19851101 00:00:0001/11/1985 00:00:00	13° 23.900' S 167° 59.700' E	2130
SPS2-D11	-	Drague à roche (TYPE NON PRECISE)	19851101 00:00:0001/11/1985 00:00:00	13° 20.900' S 167° 57.100' E	2000
SPS2-D12	-	Drague à roche (TYPE NON PRECISE)	19851101 00:00:0001/11/1985 00:00:00	13° 20.900' S 167° 49.200' E	2200
SPS2-D14	-	Drague à roche (TYPE NON PRECISE)	19851101 00:00:0001/11/1985 00:00:00	13° 40.000' S 168° 30.000' E	3800
SPS2-D15	-	Drague à roche (TYPE NON PRECISE)	19851101 00:00:0001/11/1985 00:00:00	13° 41.000' S 168° 29.700' E	2900
SPS2-D16	-	Drague à roche (TYPE NON PRECISE)	19851101 00:00:0001/11/1985 00:00:00	19° 47.800' S 170° 16.500' E	3320
SPS2-D17	-	Drague à roche (TYPE NON PRECISE)	19851101 00:00:0001/11/1985 00:00:00	19° 47.600' S 170° 17.200' E	2900
SPS2-D19	-	Drague à roche (TYPE NON PRECISE)	19851101 00:00:0001/11/1985 00:00:00	19° 46.300' S 170° 19.100' E	1750
SPS2-D2	-	Drague à roche (TYPE NON PRECISE)	19851101 00:00:0001/11/1985 00:00:00	12° 15.300' S 167° 38.500' E	-
SPS2-D20	-	Drague à roche (TYPE NON PRECISE)	19851101 00:00:0001/11/1985 00:00:00	19° 25.000' S 169° 54.600' E	1400
SPS2-D21	-	Drague à roche (TYPE NON PRECISE)	19851101 00:00:0001/11/1985 00:00:00	19° 54.100' S 170° 17.000' E	3280
SPS2-D22	-	Drague à roche (TYPE NON PRECISE)	19851101 00:00:0001/11/1985 00:00:00	18° 49.600' S 169° 39.800' E	-
SPS2-D23	-	Drague à roche (TYPE NON PRECISE)	19851101 00:00:0001/11/1985 00:00:00	18° 47.900' S 169° 36.600' E	-
SPS2-D24	-	Drague à roche (TYPE NON PRECISE)	19851101 00:00:0001/11/1985 00:00:00	18° 47.800' S 169° 35.100' E	1420
SPS2-D25	-	Drague à roche (TYPE NON PRECISE)	19851101 00:00:0001/11/1985 00:00:00	18° 32.400' S 169° 34.300' E	910
SPS2-D26	-	Drague à roche (TYPE NON PRECISE)	19851101 00:00:0001/11/1985 00:00:00	17° 38.600' S 169° 24.700' E	2080
SPS2-D27	-	Drague à roche (TYPE NON PRECISE)	19851101 00:00:0001/11/1985 00:00:00	17° 39.800' S 169° 25.500' E	1960
SPS2-D28	-	Drague à roche (TYPE NON PRECISE)	19851101 00:00:0001/11/1985 00:00:00	17° 38.400' S 169° 26.400' E	1270
SPS2-D29	-	Drague à roche (TYPE NON PRECISE)	19851101 00:00:0001/11/1985 00:00:00	17° 38.400' S 169° 25.600' E	980
SPS2-D3	-	Drague à roche (TYPE NON PRECISE)	19851101 00:00:0001/11/1985 00:00:00	12° 13.500' S 167° 40.600' E	1350
SPS2-D30	-	Drague à roche (TYPE NON PRECISE)	19851101 00:00:0001/11/1985 00:00:00	17° 23.300' S 169° 2.500' E	1270
SPS2-D31	-	Drague à roche (TYPE NON PRECISE)	19851101 00:00:0001/11/1985 00:00:00	17° 23.500' S 169° 8.000' E	1570
SPS2-D4	-	Drague à roche (TYPE NON PRECISE)	19851101 00:00:0001/11/1985 00:00:00	12° 13.400' S 167° 55.500' E	-
SPS2-D5	-	Drague à roche (TYPE NON PRECISE)	19851101 00:00:0001/11/1985 00:00:00	12° 9.100' S 167° 48.500' E	1850
SPS2-D6	-	Drague à roche (TYPE NON PRECISE)	19851101 00:00:0001/11/1985 00:00:00	12° 14.700' S 167° 50.300' E	2450
SPS2-D7	-	Drague à roche (TYPE NON PRECISE)	19851101 00:00:0001/11/1985 00:00:00	12° 16.300' S 167° 51.800' E	2165
SPS2-D8	-	Drague à roche (TYPE NON PRECISE)	19851101 00:00:0001/11/1985 00:00:00	13° 24.100' S 167° 59.500' E	-
SPS2-D9	-	Drague à roche (TYPE NON PRECISE)	19851101 00:00:0001/11/1985 00:00:00	13° 22.900' S 168° 4.800' E	-

Bibliography

Publications

Gans P. B., Mortimer N., Patriat Martin , Turnbull R. E., Crundwell M. P., Agranier Arnaud, Calvert A. T., Seward G., Etienne S., Durance P. M. J., Campbell H. J., Collot Julien (2023). Detailed 40Ar/39Ar Geochronology Of The Loyalty And Three Kings Ridges Clarifies The Extent And Sequential Development Of Eocene To Miocene Southwest Pacific Remnant Volcanic Arcs. Geochemistry Geophysics Geosystems, 24(2), e2022GC010670 (33p.). Publisher's official version : https://doi.org/10.1029/2022GC010670 , Open Access version : https://archimer.ifremer.fr/doc/00813/92539/

Lagabrielle Y, Pelletier B, Cabioch G, Regnier M, Calmant S (2003). Coseismic and long-term vertical displacement due to back arc shortening, central Vanuatu: Offshore and onshore data following the Mw7.5, 26 November 1999 Ambrym earthquake. Journal Of Geophysical Research-solid Earth, 108(B11), -. https://doi.org/10.1029/2002JB002083

Ruellan Etienne, Huchon Philippe, Auzende Jean-Marie, Gracia Eulalia (1994). Propagating rift and overlapping spreading center in the North Fiji Basin. Marine Geology, 116(1-2), 37-56. https://doi.org/10.1016/0025-3227(94)90167-8

Tanahashi M, Kisimoto K, Joshima M, Jarvis P, Iwabuchi Y, Ruellan Etienne, Auzende Jean-Marie (1994). 800-km-long N-S spreading system of the North Fiji Basin. Marine Geology, 116(1-2), 5-24. https://doi.org/10.1016/0025-3227(94)90165-1

Auzende Jean-Marie, Pelletier Bernard, Lafoy Yves (1994). Twin active spreading ridges in the North Fiji Basin (southwest Pacific). Geology, 22(1), 63-66. https://doi.org/10.1130/0091-7613(1994)022<0063:TASRIT>2.3.CO;2

Auzende Jean-Marie, Urabe Tetsuro (1994). The STARMER French-Japanese joint project, 1987–1992. Marine Geology, 116(1-2), 1-3. https://doi.org/10.1016/0025-3227(94)90164-3

Pelletier Bernard, Lafoy Yves, Missegue François (1993). Morphostructure and magnetic fabric of the northwestern North Fiji Basin. Geophysical Research Letters, 20(12), 1151-1154. https://doi.org/10.1029/93GL01240

Charvis Philippe, Pelletier Bernard (1989). The northern New Hebrides back-arc troughs: history and relation with the North Fiji basin. Tectonophysics, 170(3-4), 259-277. https://doi.org/10.1016/0040-1951(89)90275-8

References of Articles published in other Periodicals or Scientific Works acclaimed in the Field

Recy J (1990). Campagne Seapso 2: Origine et nature des fosses arriere-arc des Nouvelles Hebrides. Oceanologica Acta, Special issue Open Access version : https://archimer.ifremer.fr/doc/00268/37934/

Recy J, Pelletier B, Charvis P, Gerard M, Monjaret M-C, Maillet P (1990). Structure, age et origine des fosses arriere-arc des Nouvelles-Hebrides (Sud-Ouest Pacifique). Oceanologica Acta, Special issue Open Access version : https://archimer.ifremer.fr/doc/00268/37950/

Lafoy Y, Auzende Jean-Marie, Gente P, Eissen J.P (1987). L'extrémité occidentale de la zone de fracture fidjienne et le point triple de 16°40S - résultat du leg III de la campagne SEAPSO du N.O. Jean-Charcot (décembre 1985) dans le bassin nord Fidjien (SW Pacifique). Comptes Rendus de l'Academie des Sciences Serie II, 304(3), 147-152.

References of Technical Reports

Dyment Jérôme, Lallier François, Le Bris Nadine, Rouxel Olivier , Sarradin Pierre-Marie , Lamare Sylvain, Coumert Coralie, Morineaux Marie, Tourolle Julie (2014). Les impacts environnementaux de l’exploitation des ressources minérales marines profondes. Expertise scientifique collective. Rapport, CNRS – Ifremer, 937 p. https://archimer.ifremer.fr/doc/00872/98434/