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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-M0109 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.985162

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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:
Latitude: 20.065169 * Longitude: -156.266938
Date/Time Start: 2023-10-27T00:00:00 * Date/Time End: 2023-10-27T00:00:00
Minimum Elevation: -1241.8 m * Maximum Elevation: -1241.8 m
Event(s):
389-M0109A (MAH-04Aa)  * Latitude: 20.065169 * Longitude: -156.266938 * Date/Time Start: 2023-10-27T00:00:00 * Date/Time End: 2023-10-27T00:00:00 * Elevation: -1241.8 m * Location: Hawaii, USA * Campaign: Exp389 (Hawaiian Drowned Reefs (HDR)) * Basis: MMA Valour * Method/Device: Benthic Portable Remotely Operated Drill (PROD5) * Comment: IGSN: IBCR0389EH96101. Spatial reference system (SRS): 4326. Comment: LAT water depth: 1241.3m. Borehole abandoned due to technical issues. Casing recovered with PROD.
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:
120 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-M0109A 389-M0109A-1R7.30.000.900.900.4448.892023-10-27T04:27:00IBCR0389ECMVN01Aluminum liner
389-M0109A389-M0109A-2R7.30.900.751.650.4965.332023-10-27T04:27:00IBCR0389ECNVN01Aluminum liner
389-M0109A389-M0109A-3R7.31.650.331.980.47142.422023-10-27T04:27:00IBCR0389ECOVN01Aluminum liner
389-M0109A389-M0109A-4R7.31.980.502.480.50100.002023-10-27T04:27:00IBCR0389ECPVN01Aluminum liner
389-M0109A389-M0109A-5R7.32.480.292.770.42144.832023-10-27T04:27:00IBCR0389ECQVN01Aluminum liner
389-M0109A389-M0109A-6R7.32.770.283.050.2071.432023-10-27T04:27:00IBCR0389ECRVN01Aluminum liner
389-M0109A389-M0109A-7R7.33.050.193.240.21110.532023-10-27T04:27:00IBCR0389ECSVN01Aluminum liner
389-M0109A389-M0109A-8R7.33.240.173.410.1694.122023-10-27T04:27:00IBCR0389ECTVN01Aluminum liner
389-M0109A389-M0109A-9R7.33.410.333.740.37112.122023-10-27T04:27:00IBCR0389ECUVN01Aluminum liner
389-M0109A389-M0109A-10R7.33.740.083.820.10125.002023-10-27T04:27:00IBCR0389ECVVN01Aluminum liner
389-M0109A389-M0109A-11R7.33.820.544.360.4685.192023-10-27T04:27:00IBCR0389ECWVN01Aluminum liner
389-M0109A389-M0109A-12R7.34.360.264.620.39150.002023-10-27T04:27:00IBCR0389ECXVN01Aluminum liner