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Webster, Jody M; Ravelo, Ana Christina; Grant, Hannah; Stewart, Margaret S; Rydzy, Marisa; Le Ber, Erwan; Allison, Nicola; Asami, Ryuji; Boston, Brian; Braga, Juan-Carlos; Brenner, Logan; Chen, Xuefei; Chutcharavan, Peter; Dutton, Andrea; Felis, Thomas; Fukuyo, Naoto; Gischler, Eberhard; Greve, Sahra; Hagen, Amy; Hamon, Youri; Hathorne, Ed C; Humblet, Marc; Jorry, Stephan J; Khanna, Pankaj; McGregor, Helen V; Mortlock, Richard A; Nohl, Theresa; Potts, Donald C; Prohaska, Ana; Prouty, Nancy G; Renema, Willem; Rubin, Kenna Harmony; Westphal, Hildegard; Yokoyama, Yusuke (2025): Core summary for IODP Site 389-M0108 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.985161

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Published: 2025-11-20 • DOI registered: 2025-12-19

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Abstract:
List of cores recovered from the above given site on International Ocean Discovery Program (IODP) Expedition 389 (Hawaiian Drowned Reefs) during the offshore phase of this expedition. The offshore phase took place between 2023-08-31 and 2023-10-31 onboard multipurpose vessel MMA Valour sailing from and to Barbers Point Harbor, Hawai'i, USA. Cores have been acquired by Benthic's fifth-generation Portable Remotely Operated Drill (PROD5). According to IODP core type nomenclature, cores recovered by push coring mode are labelled by the letter P, those recovered by rotary coring mode are labelled by the letter "R" and the letter "W" indicates intervals drilled without coring in wash down mode.
For further methodological information see methods chapter in Webster, J.M. et al., 2025 https://doi.org/10.14379/iodp.proc.389.2025
Keyword(s):
central Pacific; Coral Reef; Earth climate feedbacks; Earth history tipping points; Expedition 389; Hawaiian Drowned Reefs; Hawaiian geology; International Ocean Discovery Program (IODP); MMA Valour; Paleoclimate; sea level; volcanic
Related to:
Webster, Jody M; Ravelo, Ana Christina; Grant, Hannah; Stewart, Margaret S; Rydzy, Marisa; Le Ber, Erwan; Allison, Nicola; Asami, Ryuji; Boston, Brian; Braga, Juan-Carlos; Brenner, Logan; Chen, Xuefei; Chutcharavan, Peter; Dutton, Andrea; Felis, Thomas; Fukuyo, Naoto; Gischler, Eberhard; Greve, Sahra; Hagen, Amy; Hamon, Youri; Hathorne, Ed C; Humblet, Marc; Jorry, Stephan J; Khanna, Pankaj; McGregor, Helen V; Mortlock, Richard A; Nohl, Theresa; Potts, Donald C; Prohaska, Ana; Prouty, Nancy G; Renema, Willem; Rubin, Kenna Harmony; Westphal, Hildegard; Yokoyama, Yusuke (2025): Hawaiian Drowned Reefs. Proceedings of the International Ocean Discovery Program, International Ocean Discovery Program, 389, https://doi.org/10.14379/iodp.proc.389.2025
Project(s):
Integrated Ocean Drilling Program / International Ocean Discovery Program (IODP)
Coverage:
Median Latitude: 20.048355 * Median Longitude: -156.192436 * South-bound Latitude: 20.048346 * West-bound Longitude: -156.192745 * North-bound Latitude: 20.048364 * East-bound Longitude: -156.192127
Date/Time Start: 2023-10-24T00:00:00 * Date/Time End: 2024-10-24T00:00:00
Minimum Elevation: -1178.4 m * Maximum Elevation: -1177.2 m
Event(s):
389-M0108A (MAH-02Ba)  * Latitude: 20.048364 * Longitude: -156.192745 * Date/Time Start: 2023-10-24T00:00:00 * Date/Time End: 2024-10-24T00:00:00 * Elevation: -1178.4 m * Location: Hawaii, USA * Campaign: Exp389 (Hawaiian Drowned Reefs (HDR)) * Basis: MMA Valour * Method/Device: Benthic Portable Remotely Operated Drill (PROD5) * Comment: IGSN: IBCR0389EH76101. Spatial reference system (SRS): 4326. Comment: LAT water depth: 1177.8m. Borehole terminated due to technical issues.
389-M0108B (MAH-02Bb)  * Latitude: 20.048346 * Longitude: -156.192127 * Date/Time Start: 2023-10-24T00:00:00 * Date/Time End: 2023-10-26T00:00:00 * Elevation: -1177.2 m * Location: Hawaii, USA * Campaign: Exp389 (Hawaiian Drowned Reefs (HDR)) * Basis: MMA Valour * Method/Device: Benthic Portable Remotely Operated Drill (PROD5) * Comment: IGSN: IBCR0389EH86101. Spatial reference system (SRS): 4326. Comment: LAT water depth: 1176.6m. Washed to 1.86m. Maximum quantity of barrels was achieved.
Comment:
Data was submitted and proofread by Vera Barbara Bender, MARUM - Center for Marine Environmental Sciences (University Bremen) on behalf of ECORD Science Operator Data Management (https://www.ecord.org).
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 Event labelEvent
2 Sample code/labelSample labelDSDP/ODP/IODP sample designation
3 Core diametercore diamcmIODP Depth Scale Terminology
4 Section Top in meters below surfaceTopmbsfIODP Depth Scale Terminology
5 DrilledDrilledmIODP Depth Scale Terminology
6 Section Bot in meters below surfaceBotmbsfIODP Depth Scale Terminology
7 RecoveryRecoverymAccording to Webster et al. (2025)
8 RecoveryRecovery%According to Webster et al. (2025)
9 Date/time endDate/time end
10 Proposed International Geo Sample NumberProp IGSN
11 CommentComment
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
390 data points

Data

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

1 
Event		2 
Sample label		3 
core diam [cm]		4 
Top [mbsf]		5 
Drilled [m]		6 
Bot [mbsf]		7 
Recovery [m]		8 
Recovery [%]		9 
Date/time end		10 
Prop IGSN		11 
Comment
389-M0108A 389-M0108A-1R7.30.000.680.680.4261.762023-10-24T02:25:00IBCR0389ECJUN01Aluminum liner
389-M0108A389-M0108A-2R7.30.680.381.060.2360.532023-10-24T02:25:00IBCR0389ECKUN01Aluminum liner
389-M0108A389-M0108A-3R7.31.060.271.330.30111.112023-10-24T02:25:00IBCR0389ECLUN01Aluminum liner
389-M0108A389-M0108A-4R7.31.330.151.480.19126.672023-10-24T02:25:00IBCR0389ECMUN01Aluminum liner
389-M0108A389-M0108A-5R7.31.480.331.810.35106.062023-10-24T02:25:00IBCR0389ECNUN01Aluminum liner
389-M0108A389-M0108A-6R7.31.810.161.970.46287.502023-10-24T02:25:00IBCR0389ECOUN01Aluminum liner
389-M0108B 389-M0108B-1R7.31.861.173.030.8572.652023-10-26T18:54:00IBCR0389ECPUN01Aluminum liner transferred. Washed down to 1.86m.
389-M0108B389-M0108B-2R7.33.030.343.370.3294.122023-10-26T18:56:00IBCR0389ECQUN01Aluminum liner transferred
389-M0108B389-M0108B-3R7.33.370.353.720.35100.002023-10-26T18:56:00IBCR0389ECRUN01Aluminum liner transferred
389-M0108B389-M0108B-4R7.33.720.444.160.3681.822023-10-26T18:58:00IBCR0389ECSUN01Aluminum liner transferred
389-M0108B389-M0108B-5R7.34.160.294.450.31106.902023-10-26T19:15:00IBCR0389ECTUN01Aluminum liner transferred
389-M0108B389-M0108B-6R7.34.450.615.060.6098.362023-10-26T19:16:00IBCR0389ECUUN01Aluminum liner transferred
389-M0108B389-M0108B-7R7.35.060.865.920.3844.192023-10-26T19:16:00IBCR0389ECVUN01Aluminum liner transferred
389-M0108B389-M0108B-8R7.35.920.386.300.42110.532023-10-26T19:16:00IBCR0389ECWUN01Aluminum liner transferred
389-M0108B389-M0108B-9R7.37.360.788.140.5671.792023-10-26T19:33:00IBCR0389ECXUN01Aluminum liner transferred. Washed down to 7.36m.
389-M0108B389-M0108B-10R7.38.140.418.550.46112.202023-10-26T19:34:00IBCR0389ECYUN01Aluminum liner transferred
389-M0108B389-M0108B-11R7.38.550.288.830.2071.432023-10-26T19:34:00IBCR0389ECZUN01Aluminum liner transferred
389-M0108B389-M0108B-12R7.38.830.329.150.1546.882023-10-26T19:35:00IBCR0389EC0VN01Aluminum liner transferred
389-M0108B389-M0108B-13R7.310.281.1411.420.8574.562023-10-26T19:54:00IBCR0389EC1VN01Aluminum liner transferred. Washed down to 10.28m.
389-M0108B389-M0108B-14R7.311.420.3211.740.3093.752023-10-26T19:57:00IBCR0389EC2VN01Aluminum liner transferred
389-M0108B389-M0108B-15R7.311.740.7312.470.6183.562023-10-26T19:58:00IBCR0389EC3VN01Aluminum liner transferred
389-M0108B389-M0108B-16R7.312.470.9013.370.7886.672023-10-26T19:59:00IBCR0389EC4VN01Aluminum liner transferred
389-M0108B389-M0108B-17R7.313.371.6315.000.6137.422023-10-26T20:15:00IBCR0389EC5VN01Aluminum liner transferred
389-M0108B389-M0108B-18R7.315.001.4816.480.3322.302023-10-26T20:16:00IBCR0389EC6VN01Aluminum liner transferred
389-M0108B389-M0108B-19R7.316.480.8317.310.2833.732023-10-26T20:17:00IBCR0389EC7VN01Aluminum liner transferred
389-M0108B389-M0108B-20R7.317.311.5018.810.5234.672023-10-26T20:17:00IBCR0389EC8VN01Aluminum liner transferred
389-M0108B389-M0108B-21R7.318.810.7019.510.5781.432023-10-26T20:40:00IBCR0389EC9VN01Aluminum liner transferred
389-M0108B389-M0108B-22R7.319.510.4920.000.4693.882023-10-26T20:41:00IBCR0389ECAVN01Aluminum liner transferred
389-M0108B389-M0108B-23R7.320.000.3020.300.1653.332023-10-26T20:41:00IBCR0389ECBVN01Aluminum liner transferred
389-M0108B389-M0108B-24R7.321.131.2822.410.1814.062023-10-26T20:42:00IBCR0389ECCVN01Aluminum liner transferred. Washed down to 21.13m.
389-M0108B389-M0108B-25R7.322.411.9024.310.2915.262023-10-26T20:55:00IBCR0389ECDVN01Aluminum liner transferred
389-M0108B389-M0108B-26R7.324.310.2924.600.000.002023-10-26T20:55:00IBCR0389ECEVN01Aluminum liner transferred. No recovery.
389-M0108B389-M0108B-27R7.324.600.6525.250.3655.382023-10-26T20:56:00IBCR0389ECFVN01Aluminum liner transferred
389-M0108B389-M0108B-28R7.325.250.6525.900.68104.622023-10-26T20:56:00IBCR0389ECGVN01Aluminum liner transferred
389-M0108B389-M0108B-29R7.325.902.2328.132.31103.592023-10-26T21:15:00IBCR0389ECHVN01Aluminum liner transferred
389-M0108B389-M0108B-30R7.328.130.3328.460.3193.942023-10-26T21:15:00IBCR0389ECIVN01Aluminum liner transferred
389-M0108B389-M0108B-31R7.328.460.6229.080.4470.972023-10-26T21:16:00IBCR0389ECJVN01Aluminum liner transferred
389-M0108B389-M0108B-32R7.329.080.9530.030.8892.632023-10-26T21:43:00IBCR0389ECKVN01Aluminum liner transferred
389-M0108B389-M0108B-33R7.330.030.6730.700.4770.152023-10-26T21:44:00IBCR0389ECLVN01Aluminum liner transferred