National Facility Research Vessel

Voyage Plans and Summaries

(Franklin Voyage Summary No. FR09/2001 continued... )

Table 1. Data gathered on Cruise FR09/2001

Data type	Results
Seismic profiles	2795 km of 24 channel (3 fold) data
Magnetic profiles	~2400 km of data (163 hours)
Bathymetric profiles	~7400 km of data (acquired throughout voyage)
Gravity cores	26 total: 22 successful, total 80 m, average 360 cm
Dredges	7 total: 2 successful

Table 2. Seismic line statistics

Line	Start WP (lat/long)		End WP (lat/long)		Intermediate WP(s)	Length (km)
FB-01	25 12.5S	163 22.1E	24 35.8S	165 09.0E		205
FB-02	24 35.7S	165 08.3E	25 35.6S	165 20.1E		110
FB-03	25 35.6S	165 20.1E	25 57.6S	164 21.0E		107
FB-04	25 57.5S	164 21.2E	26 39.6S	164 01.5E		95
FB-05	26 39.5S	164 01.6E	26 58.4S	165 39.9E		187
FB-06	26 58.4S	165 39.9E	27 24.9S	163 12.4E		242
FB-07A	27 24.8S	163 12.7E	27 54.4S	165 56.2E		269
FB-07B	27 54.4S	165 56.2E	28 56.1S	167 48.1E		291
FB-08A	29 04.7S	167 49.9E	29 35.6S	167 12.8E		80
FB-08B	29 35.6S	167 12.8E	29 36.0S	163 05.0E		460
FB-09	29 36.0S	163 05.0E	30 42.0S	166 45.0E		370
FB-10	30 42.0S	166 45.0E	31 35.1S	164 26.9E	DSDP 591B	241
FB-11	31 35.1S	164 26.9E	31 54.3E	163 02.7E		138

Total kilometres = 2795
New Caledonian kilometres = 480
Australian kilometres = 2315
DSDP 591B = 31°35.06S, 164°26.92E

Table 3. Cores and dredges in New Caledonian jurisdiction

Core	Latitude	Longitude	Depth (m)	Recov. (cm) or (kg)	Description	Echofacies
GC01	25º18.67	163º04.75	1297	450	Pale foram-bearing nanno ooze	N/A
GC02	25° 03.71	163° 40.02	2635	369	Pale brown foram-bearing nanno ooze	1a
GC03	24° 51.70	163° 30.09	2522	339	Pale brown foram-bearing nanno ooze	DpBSR + 1b
GC04	24° 48.18	163° 29.99	2586	329	Pale foram-bearing nanno ooze	DS + 1b
GC05	24° 54.98	163° 46.75	2706	305	Pale brown foram-bearing nanno ooze	DpBSR + 1a
GC06	24° 53.00	163° 53.98	2764	338	Pale foram-bearing nanno ooze	DD + 1a
GC07	24° 18.60	164° 03.60	2835	N/A	Not attempted	DD + 1a + PM
GC08	25° 08.10	164° 13.50	2700	369	Pale foram-bearing nanno ooze (repeat section from 328 cm)	DD + 1b + PM
GC09	25° 03.71	164° 30.05	2840	350	Pale brown foram-bearing nanno ooze	DpBSR + 1a
GC10	24° 44.33	164° 46.14	2580	445	Pale brown foram-bearing nanno ooze
GC11	24° 44.28	164° 49.13	2820	350	Pale brown foram-bearing nanno ooze
GC12	24° 41.39	164° 57.83	3517	455	Brown foram-bearing nanno ooze
DR01	25° 11 25° 11	165° 02 165° 01	3300-3150	30 kg	Pale orange to white chalk, ooze, pumice
DR02	25° 19	164° 51	2450	0 kg	Lost dredge after strong bite (>4 tonnes)
DR03	25° 40.6	165° 06.9	3130	3 kg	Quaternary ooze only

Total recovery: 41 metres of core, so average is 370 cm

Seismic:

DS: sub-surface diapir
DpBSR: Diapir piercing the BSR
DD: Deep diapir

Echofacies (3.5 kHz):

1a: Layered, flat (long wave amplitude)
1b: Layered, wavy (short wave amplitude)
PM: possible pock mark

Table 4. Cores and dredges in Australian jurisdiction

Core	Latitude (S)	Longitude (E)	Depth (m)	Recov. (cm) or (kg)	Description	Line – shot point	Target
GC13*	31 53.0	163 08.0	1188	10 cm	Pale olive muddy foram sand		PO
GC14	31 39.35	164 08.47	2720	519 cm	0-16 cm: pale brown foram-rich nanno ooze. 16-496: olive to white nanno ooze. 496-519: repeat 0-16.	L110-615	PO
GC15	31 35.59	164 24.64	2140	246 cm	0-90 cm: pale brown & light grey nanno ooze. 90-246 cm: pale yellow & white nanno ooze	L1101-85	DSDP 591 DD
GC16	31 28.49	164 44.53	2100	320 cm	0-29 cm: pale brown & light grey foram-rich nanno ooze. 29-320: light grey & pale olive nanno ooze	L1001B-4207	MD, F, PM
GC17*	31 17.94	165 12.46	3320	None	Traces of foram sand	L1001B-3240	PO
GC18	30 26.87	165 54.33	2590	240 cm	Interbedded v pale brown & light grey foram-bearing nanno ooze	L902C-6310	BR, WNR
GC19	29 35.74	166 13.33	2905	None	Fingers torn off core catcher	L802B- 3140	DD, NCB
GC20	29 35.75	165 57.65	2483	None	Bounced off hard rock, core cutter damaged. Ooze traces.	L802B-3722	BR
DR4	29 35.75 29 35.75	165 57.00 165 58.05	2565-2400	10 kg	Nibbles only. Pale grey foram nanno ooze with some pyritised forams. Very minor pumice.	L802B-3744-3707	BR W>E
GC21	29 35.78	165 28.60	2810	400 cm	0-290 cm: pale brown & yellow foram-bearing nanno ooze. 290-400 cm: repeat of top section	L802B-4800	DD, WNR
GC22	29 35.86	164 58.51	3405	445 cm	Multicoloured nanno ooze, with distinct beds 20-30 cm thick: white, pale yellow, pale & dark greenish grey.	L802B-5916	DD
GC23	29 35.88	164 27.77	3392	433 cm	Multicoloured nanno ooze, with distinct beds 20-40 cm thick: yellow, yellowish brown, pale & dark greenish grey.	L804-2-1062	DD
DR5	29 35.9	163 42.68 163 42.06	~1700	5 kg	Basaltic volcaniclastic rocks: hyaloclastite, hyaloclastite breccia, minor basalt. Mn crusts to 3 cm thick	L805-2744-2767	BR
GC24	27 52.02	165 43.00	3450	266 cm	Pale brown & pale yellow nanno ooze	L703-107	SB, DNS, BSR, NCB
DR6	27 47.17 27 46.98	165 16.34 165 15.18	3080-2840	5 kg	Very pale brown nanno ooze. Very minor pumice	L702-854-810	BR, WNR E>W
DR7	27 47.36 27 47.19	165 17.36 165 16.41	3280-3100	5 kg	Very pale brown nanno ooze.	L702-895-860	BR, WNR E>W
GC25	27 09.78	164 36.54	3239	407 cm	0-359 cm: pale brown & pale yellow nanno ooze. 359-407: repeat section	604-272	DNS, SB
GC26	27 13.74	164 14.43	2935	377 cm	Pale yellow, pale brown & greenish grey nanno ooze	604-1107	DNS
GC27	27 17.67	163 52.50	1875	248 cm	Pale brown, pale yellow, light grey & white nanno ooze	605-1976	SB, DNS

Station repeated once.
Total recovery: 39 metres of core, so average is 354 cm

Seismic:

DNS: near-surface diapir
DpBSR: Diapir piercing the BSR
DD: Deep diapir
MD: Minor diapir
F: Fault
PM: pock mark
SB: surface bulge
PO: palaeo-oceanography
BSR: Bottom simulating reflector
BR: basement ridge
WNR: West Norfolk Ridge
WNCB: West New Caledonia Basin

APPENDIX 1. KEY EQUIPMENT

Charge-Air DC330/2000 diesel compressor of 2000 psi capacity for airguns

2 x GI airguns, each of capacity 45/105 cubic inches

Seismic winch

Stealtharray solid seismic cable 450 m long, with 300 m active section and 24 channels

Plotter for seismic profiles and sampling locations

Seismic processing work station

MMC Seaspy Overhauser magnetometer and towing winch

Gravity corer, 1 tonne, for 6m cores

Dredges, chain bag and pipe

Refrigerated container for cores

Benches in CTD laboratory

Rock saw

Core splitter

Equipment for gas sampling

Equipment for pore water sampling equipment from Moss Landing Marine Labs

Ship’s winches, and deck machinery

Coring cradle

DGPS navigation

Scientific echosounder (12 kHz)

(back to PART 1)

Updated: 31/01/03