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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-section summary for IODP Site 389-M0110 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.985194

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

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Abstract:
List of recovered core sections from the above given site of 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). Following IODP convention, the 2.75 m liners extracted from each core barrel were cut into one or two sections (depending on core recovery) with a maximum section length of 1.5 m. Two types of liner were used during Expedition 389; Aluminum and polycarbonate liners, each requiring different treatment at this initial stage. Material recovered from the core catcher is treated as a separate section labelled "CC" for core catcher and placed below the last section recovered from the core barrel. The IODP standard naming of sections includes the following information: expedition number, hole, core, core type and section. For example, a section label (column Sample label) 389-M0097A-15R-2 represents section 2, core 15R (R indicating the core has been recovered by rotary coring method), from Hole M0097A during Expedition 389.
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: 19.792870 * Median Longitude: -156.105270 * South-bound Latitude: 19.792508 * West-bound Longitude: -156.105784 * North-bound Latitude: 19.793231 * East-bound Longitude: -156.104756
Date/Time Start: 2023-10-28T00:00:00 * Date/Time End: 2023-10-30T00:00:00
Minimum Elevation: -156.9 m * Maximum Elevation: -144.8 m
Event(s):
389-M0110A (KAW-03Ca)  * Latitude: 19.793231 * Longitude: -156.105784 * Date/Time Start: 2023-10-28T00:00:00 * Date/Time End: 2023-10-29T00:00:00 * Elevation: -156.9 m * Location: Hawaii, USA * Campaign: Exp389 (Hawaiian Drowned Reefs (HDR)) * Basis: MMA Valour * Method/Device: Benthic Portable Remotely Operated Drill (PROD5) * Comment: IGSN: IBCR0389EHA6101. Spatial reference system (SRS): 4326. Comment: LAT water depth: 156.3 m. Borehole terminated as per client request.
389-M0110B (KAW-03Cb)  * Latitude: 19.792508 * Longitude: -156.104756 * Date/Time Start: 2023-10-29T00:00:00 * Date/Time End: 2023-10-30T00:00:00 * Elevation: -144.8 m * Location: Hawaii, USA * Campaign: Exp389 (Hawaiian Drowned Reefs (HDR)) * Basis: MMA Valour * Method/Device: Benthic Portable Remotely Operated Drill (PROD5) * Comment: IGSN: IBCR0389EHB6101. Spatial reference system (SRS): 4326. Comment: LAT water depth: 144.3 m. Borehole terminated as per client request.
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 Liner LengthLLmAccording to Webster et al. (2025)
4 Curated LengthCLmAccording to Webster et al. (2025)
5 Section Top in meters below surfaceTopmbsfIODP Depth Scale Terminology
6 Section Bot in meters below surfaceBotmbsfIODP Depth Scale Terminology
7 Section Top in meters composite depthTopmcdIODP Depth Scale Terminology
8 Section Bot in meters composite depthBotmcdIODP Depth Scale Terminology
9 Proposed International Geo Sample NumberProp IGSN
10 CommentComment
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
265 data points

Data

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

1 
Event		2 
Sample label		3 
LL [m]		4 
CL [m]		5 
Top [mbsf]		6 
Bot [mbsf]		7 
Top [mcd]		8 
Bot [mcd]		9 
Prop IGSN		10 
Comment
389-M0110A 389-M0110A-1R-10.220.220.000.220.000.22IBCR0389ESIC5A1
389-M0110A389-M0110A-2R-10.200.201.671.871.671.87IBCR0389ESJC5A1
389-M0110A389-M0110A-3R-10.720.721.872.591.872.59IBCR0389ESKC5A1Date+aDNA@70-72cm 10+10cc
389-M0110A389-M0110A-4R-10.600.603.083.683.083.68IBCR0389ESLC5A1PAL@59-60cm 20cc
389-M0110A389-M0110A-5R-10.340.344.194.534.194.53IBCR0389ESMC5A1
389-M0110A389-M0110A-6R-10.800.805.165.965.165.96IBCR0389ESNC5A1
389-M0110A389-M0110A-7R-10.570.576.206.776.206.77IBCR0389ESOC5A1
389-M0110A389-M0110A-8R-11.221.226.717.936.717.93IBCR0389ESPC5A1
389-M0110A389-M0110A-9R-10.320.328.979.298.979.29IBCR0389ESQC5A1Date+aDNA@30-32cm 5+5cc
389-M0110A389-M0110A-10R-11.001.009.1010.109.1010.10IBCR0389ESRC5A1
389-M0110A389-M0110A-11R-10.660.6610.0610.7210.0610.72IBCR0389ESTC5A1
389-M0110A389-M0110A-12R-10.190.1911.1411.3311.1411.33IBCR0389ESUC5A1
389-M0110A389-M0110A-13R-10.400.4011.2111.6111.2111.61IBCR0389ESVC5A1
389-M0110A389-M0110A-14R-11.511.5112.4613.9712.4613.97IBCR0389ESWC5A1
389-M0110A389-M0110A-14R-21.341.3413.9715.3113.9715.31IBCR0389ESXC5A1
389-M0110A389-M0110A-15R-10.500.5015.1015.6015.1015.60IBCR0389ESYC5A1
389-M0110A389-M0110A-16R-11.311.3115.3916.7015.3916.70IBCR0389ESZC5A1
389-M0110A389-M0110A-17R-11.231.2316.5217.7516.5217.75IBCR0389ES0D5A1PAL@121-123cm 50cc
389-M0110A389-M0110A-18R-11.051.0517.6318.6817.6318.68IBCR0389ES1D5A1PAL@103-105cm 50cc
389-M0110B 389-M0110B-1R-10.560.560.000.560.000.56IBCR0389ES6E5A1PAL@54-56cm 30cc
389-M0110B389-M0110B-2R-10.620.621.792.411.792.41IBCR0389ES7E5A1Dating and aDNA + 14C 44-45cm 2+2cc
389-M0110B389-M0110B-3R-11.431.432.503.932.503.93IBCR0389ES8E5A1PAL@141-143cm 30cc
389-M0110B389-M0110B-4R-10.290.295.195.485.195.48IBCR0389ES9E5A1
389-M0110B389-M0110B-5R-10.890.895.566.455.566.45IBCR0389ESIE5A1
389-M0110B389-M0110B-6R-10.600.606.727.326.727.32IBCR0389ESJE5A1
389-M0110B389-M0110B-7R-11.341.347.839.177.839.17IBCR0389ESKE5A1Date+aDNA@44-45cm 1+1cc
389-M0110B389-M0110B-7R-20.450.459.179.629.179.62IBCR0389ESLE5A1
389-M0110B389-M0110B-8R-11.481.4810.5912.0710.5912.07IBCR0389ESUE5A1
389-M0110B389-M0110B-8R-21.261.2612.0713.3312.0713.33IBCR0389ESVE5A1
389-M0110B389-M0110B-9R-11.501.5013.3414.8413.3414.84IBCR0389ESWE5A1
389-M0110B389-M0110B-9R-21.301.3014.8416.1414.8416.14IBCR0389ESXE5A1
389-M0110B389-M0110B-10R-11.181.1816.0917.2716.0917.27IBCR0389ESYE5A1