NSF award 2544924 · Texas A&M University

Clumped isotope reactivity in calcium carbonate: The role of mineralogy, trace elements, organic matter, and internal water

Final report due

28 November 2028

in 772 days · The award ends on 31 July 2028.

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Decide about an extension2 Apr 2028in 532 days
award ending 2028-07-31 · Research.gov
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Extension request16 Jun 2028in 607 days
award ending 2028-07-31 · Research.gov
PAPPG 24-1: “at least 45 days prior to the end date”
No-cost extension notice21 Jul 2028in 642 days
award ending 2028-07-31 · Research.gov
PAPPG 24-1: “at least ten calendar days prior to the end date”
Final report due28 Nov 2028in 772 days
award ending 2028-07-31 · Research.gov
PAPPG 24-1: “no later than 120-days following the end date of the award”
Project outcomes report due28 Nov 2028in 772 days
award ending 2028-07-31 · Research.gov
PAPPG 24-1: “no later than 120 days following the end date”
Award is closed out28 Nov 2028in 772 days
award ending 2028-07-31 · 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 31 July 2028.
NSF rules say the final report is due no later than 120 days after that.
So the final report is due by 28 November 2028.

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Award card

Award number: 2544924
Period of support: 1 Aug 2026 – 31 Jul 2028
Amount: $427,960
Awardee: Texas A&M University, College Station, TX
Program: LET-Life & Enviro Through Time, XC-Crosscutting Activities Pro
Directorate: GEO

Abstract

Clumped-isotope thermometry of carbonate minerals is a powerful technique with a wide range of applications in geosciences like reconstructing temperatures of ancient oceans or assessing the thermal evolution of petroleum reservoirs and ore deposits to aid in exploration. The technique is based on the temperature-dependent bonding of heavy oxygen and carbon atoms (“isotopes”). A pressing challenge to improve the…

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