NSF award 2546116 · Carnegie Institution of Washington

Studying the Magnetic Signature of the Inner Core

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
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Extension request16 Aug 2028in 668 days
award ending 2028-09-30 · Research.gov
PAPPG 24-1: “at least 45 days prior to the end date”
No-cost extension notice20 Sep 2028in 703 days
award ending 2028-09-30 · Research.gov
PAPPG 24-1: “at least ten calendar days prior to the end date”
Final report due28 Jan 2029in 833 days
award ending 2028-09-30 · Research.gov
PAPPG 24-1: “no later than 120-days following the end date of the award”
Project outcomes report due28 Jan 2029in 833 days
award ending 2028-09-30 · Research.gov
PAPPG 24-1: “no later than 120 days following the end date”
Award is closed out28 Jan 2029in 833 days
award ending 2028-09-30 · Research.gov
PAPPG 24-1: “financially closed out 120 days after their expiration date”

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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: 2546116
Period of support: 1 Oct 2026 – 30 Sep 2028
Amount: $401,892
Awardee: Carnegie Institution of Washington, Washington, DC
Program: SPSE-Study of Physics of Earth
Directorate: GEO

Abstract

Earth’s magnetic field acts as a protective shield for the planet, which is essential for keeping it habitable. However, this shield may not have always been as strong as it is today. Rocks formed between 700 and 550 million years ago contain evidence of an unstable and extremely weak magnetic field. This was also the time some estimate that the Earth’s liquid iron core began to solidify, forming the solid inner…

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