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Grobe, Hannes; Willkomm, Horst; Wefer, Gerold (1985): Radiocarbon age determinations of coral and reef cores from the Philippines off North Bohol and Olango. doi:10.1594/PANGAEA.55293,
Supplement to: Grobe, H et al. (1985): Internal structure and origin of the Double Reefs of North Bohol and the Olango Reef Flat (Philippines). The Philippine Scientist, 22, 83-94, hdl:10013/epic.11655.d001

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Abstract:
Nine holes were drilled with a submersible hydraulic drill into the slopes and reef flats of the Caubyan and Calituban reefs as well as of Olango Flat. The maximum depth of core penetration was 11 m. 14C ages showed that the Caubyan and Calituban reefs were formed within the last 6,000 years. Corals settled on a pre-existing relief parallel to the island of Bohol, building a framework for other carbonate-producing organisms. The reef flat south of Olango has a different structure. Formation took place during a Pleistocene high sea level, e.g. 125,000 years ago.
Further details:
Grobe, Hannes (1985): Block diagramm of the reef belts between Cebu/Mactan and Olango/Bohole islands, Philippines. In: Grobe, Hannes; Willkomm, Horst; Wefer, Gerold (eds.): Internal structure and origin of the Double Reefs of North Bohol and the Olango Reef Flat (Philippines). Philippine Scientist, 22, 83-94, https://commons.wikimedia.org/wiki/File:Philippine-reef-block_hg.png
Project(s):
Wechselwirkung Meer-Meeresboden (Interaction Sea-Sea Bottom) (SFB95)
Coverage:
Median Latitude: 10.227313 * Median Longitude: 124.083875 * South-bound Latitude: 10.211700 * West-bound Longitude: 123.994000 * North-bound Latitude: 10.252000 * East-bound Longitude: 124.150000
Minimum DEPTH, sediment/rock: 0.75 m * Maximum DEPTH, sediment/rock: 10.90 m
Event(s):
Calituban_XX * Latitude: 10.220700 * Longitude: 124.141000 * Elevation: -1.0 m * Location: Sulu Sea * Campaign: Philippines80 * Basis: Marine Research Station * Device: Drill, hydraulic (DRILLHY)
Calituban_XXI * Latitude: 10.216600 * Longitude: 124.145000 * Elevation: -1.0 m * Location: Sulu Sea * Campaign: Philippines80 * Basis: Marine Research Station * Device: Drill, hydraulic (DRILLHY)
Calituban_XXII * Latitude: 10.211700 * Longitude: 124.150000 * Elevation: -1.0 m * Location: Sulu Sea * Campaign: Philippines80 * Basis: Marine Research Station * Device: Drill, hydraulic (DRILLHY)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethodComment
1Event labelEvent
2Latitude of eventLatitude
3Longitude of eventLongitude
4DEPTH, sediment/rockDepthmGeocode
5Depth, top/minDepth topmGrobe, Hannes
6Depth, bottom/maxDepth botmGrobe, Hannes
7Age, datedAge datedkaGrobe, HannesAge, 14C conventional
8Age, datedAge datedkaGrobe, HannesAge, 14C milieu/reservoir corrected
9Age, dated standard deviationAge std dev±Grobe, HannesAge, 14C conventional
10delta 13C, carbonated13C carbper mil PDBGrobe, HannesAge, 14C conventional
11Sample code/labelLabelGrobe, Hannes
Size:
206 data points

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