NSF award 2603381 · Colorado School of Mines

Postdoctoral Fellowship: EAR-PF: Quantifying Copper-Iron Isotope Fractionation and Redox Partitioning in Sulfide Leaching of Critical Minerals

Final report due

28 November 2028

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

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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: 2603381
Period of support: 1 Aug 2026 – 31 Jul 2028
Amount: $403,266
Awardee: Colorado School of Mines, Golden, CO
Program: NSF CriticalMinerals&Materials
Directorate: GEO

Abstract

Copper is essential for electrical infrastructure, energy technologies, buildings, communications, transportation, and national defense. However, a large share of copper in sulfide ores remains unrecovered after conventional leaching because mineral surfaces become coated or sealed. This project will develop isotope-based chemical fingerprints that reveal when and why copper release is limited during sulfide…

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