Recovery and Curation of the Winchcombe (CM2) meteorite

Winchcombe science team consortium, et al

Research output: Contribution to journalArticlepeer-review


The Winchcombe meteorite fell on 28th February 2021 and was the first recovered meteorite fall in the UK for 30 years, and the first UK carbonaceous chondrite. The meteorite was widely observed by meteor camera networks, doorbell cameras and eye-witnesses, and 213.5 g, (around 35% of the final recovered mass) was collected quickly - within 12 hours - of its fall. It, therefore, represents an opportunity to study very pristine extra-terrestrial material and requires appropriate careful curation. The meteorite fell in a narrow (600m across) strewnfield ~8.5 km long and oriented approximately East-West, with the largest single fragment at the furthest (East) end in the town of Winchcombe, Gloucestershire.
Of the total known mass of 602 g, around 525 g are curated at the Natural History Museum, London. A sample analysis plan was devised within a month of the fall to enable scientists in the UK and beyond to quickly access and analyse fresh material. The sample is stored long-term in a nitrogen atmosphere glove box. Preliminary macroscopic and electron microscope examination show it to be a CM2 chondrite, and despite an early search, no fragile minerals such as halite, sulphur etc were observed.
Original languageEnglish
JournalMeteoritics and Planetary Science
Publication statusPublished - 2023


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