- Sponsor Seminars
These are scheduled events to help delegates test out the tools and platform we will be using for the Q&A and other events at the conference.
Our workshop program provides training and teaching in topics across geochemistry and related fields. We are currently liaising with the workshop organisers to ascertain if any workshops can become virtual. Any updates will be added to this page.
Social Event Locations
These are locations for the conference social events.
(2020) Lithium Isotope Composition of Scleratinian Corals is Sensitive to Internal pH Regulation
Vigier N, Comeau S, Counillon L, McCulloch M & Rodolfo-Metalpa R
12g: Room 4, View in program
Listed below are questions that have been submitted by the community that the author will try and cover in their presentation. To submit a question, ensure you are signed in to the website. Authors or session conveners approve questions before they are displayed here.
From Conveners: 1) Is species effect more pronounced at pH = 8.2? Why? In other words, why is the difference between species greater on x-axis (1.8‰) than y-axis (0.8‰) 2) Are the B isotopes only for the vent samples? They should be different from the control samples as they were formed in quite different pH conditions.
Hi Elisabeth, thank you for your question. Boron isotopes have been measured in corals from both sites. We are still thinking about this, but perhaps near the vent site, the pH is less variable - due to the CO2 bubbling - than in the controle site, which is submitted to natural variations. This may explain the difference in the observed variability and is supported by boron isotopes as well.
very cool presentation! I wonder if your results could be used in parallel to Ca isotopes to further develop the Li proxy and better constrain precipitation rate effects associated with pH fluctuations?
Hi Claire, thank you. These corals have been studied by R. Rodolfo Metalpa and his team, and their growth rate are not significantly different between the control site and the vent site.
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