Extinct Curium 247 Found in Meteors

[snorkack]

After some searching, extinct curium 247 has been found in meteors!

 

[mfb]

Reference?

Evidence for Cu-247 has been around for a while, but as far as I know only via its decay products.

 

[snorkack]

This:
http://news.uchicago.edu/article/20...find-evidence-rare-element-early-solar-system
asserts that evidence had not previously been around, despite searching.

 

[mfb]

Hmm, I don't find the 2009 reference I found yesterday any more. Here is one from 2010:
238U/235U variations in meteorites: extant 247Cm and implications for Pb-Pb dating.