And they're working on finding even older!
"Given the spectacularly old ice we have discovered at Allan Hills, we also have designed a comprehensive longer-term new study of this region to try to extend the records even further in time, which we hope to conduct between 2026 and 2031"
One of the presentations was on this research, and I was somewhat amazed the new stretch goal is to find 10 million year old ice. More power to them!