This material was made from the recent reef-coral porites sp. and contains information of current surface water temperatures from its habitat. Only available in 5 mm diameter.
HerkunftCoral collected from Ishigaki Island, Japan
Recharacterized after milling
- Major component is Ca with 40 %m/m.
- Mg/Ca-ratio of 4.2 mmol/mol (rounded values).
- Sr/Ca-ratio of 8.80 mmol/mol (rounded values).
Trace element concentrations in (bio) carbonates are used as proxies in paleo-climate research (foraminifera, corals, pteropods, mussel shells, red algae, stalactites, etc.), serve as proof of origin (corals, otoliths), etc.