This core greatly extends the climatic record of the first core, and according to a first, preliminary dating, it reaches back 720,000 years. The ice of the second Valkyrie Dome core is therefore the second-oldest ice ever recovered, outranged only by the EPICA Dome C core.
The current core significantly extends the climatic record compared to the first one and, according to initial dating, goes back 720,000 years. The ice from the second Valkyrie Dome core is considered the second-oldest ever recovered, with only the EPICA Dome C core being older.