NSF award 2525340 · Marine Environmental Sciences Consortium
Understanding Indirect Controls on Silicon Isotope Distribution in Surface Marine Sediments
Final report due
28 January 2029
in 833 days · The award ends on 30 September 2028.
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Dates this award owes
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- Decide about an extension2 Jun 2028in 593 days
award ending 2028-09-30 · Research.gov
- Extension request16 Aug 2028in 668 days
award ending 2028-09-30 · Research.gov
- No-cost extension notice20 Sep 2028in 703 days
award ending 2028-09-30 · Research.gov
- Final report due28 Jan 2029in 833 days
award ending 2028-09-30 · Research.gov
- Project outcomes report due28 Jan 2029in 833 days
award ending 2028-09-30 · Research.gov
- Award is closed out28 Jan 2029in 833 days
award ending 2028-09-30 · Research.gov
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How we got this date
- NSF lists this award's end date as 30 September 2028.
- NSF rules say the final report is due no later than 120 days after that.
- So the final report is due by 28 January 2029.
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Award card
- Award number
- 2525340
- Period of support
- 1 Oct 2025 – 30 Sep 2028
- Amount
- $589,519
- Awardee
- Marine Environmental Sciences Consortium, Dauphin Island, AL
- Program
- Chemical Oceanography, Marine Geology and Geophysics
- Directorate
- GEO
Abstract
Reverse weathering is a chemical process that forms clay minerals from dissolved silica and positively charged ions in marine sediments. This process is important because it impacts ocean pH, the availability of important metals (e.g. iron, lithium), and the long-term carbon cycle. In this project, the researchers plan to use stable and radioactive silicon isotopes to track reverse weathering processes in sediments…
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