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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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  • 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

  1. NSF lists this award's end date as 30 September 2028.
  2. NSF rules say the final report is due no later than 120 days after that.
  3. So the final report is due by 28 January 2029.

Read the rule on Research.gov

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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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