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(2020) Extreme Sulfur Isotope Fractionation in the Seafloor Hydrothermal Deposit of the Okinawa Trough Revealed by SIMS in situ Analysis

Nozaki T, Nagase T, Ushikubo T & Shimizu K


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08m: Room 3, Tuesday 23rd June 22:09 - 22:12

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.

Submitted by Daniel Gregory on Thursday 18th June 21:57
Thank you for the presentation, where do you think the framboids are forming? Are they forming close to the site or are they forming in the water column and raining down where they are then over grown? Also, what proportion of the sulfide material is pyrite framboids? Is it a major component or comparatively rare?

Submitted by Melissa Anderson on Tuesday 23rd June 18:58
This is an interesting study area. What evidence do you have that the presence of bacterially-mediated framboidal pyrite acts to "accelerate subseafloor mineralization?"

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