Finally, a digital map for Alaska

A long-awaited, somewhat delayed, digital geologic map of Alaska has been released, made from a ‘treasure trove’ of geological information

For the first time in 35 years, the United States Geological Survey (USGS) has released a geologic map of the state of Alaska – this time in a digital format. The new map combines over a century of work, incorporating over 750 references, some dating as far back as 1908 and others as recently as 2015.

‘The map itself is simply a derivative of the digitised database of geologic information that we have already built,’ says Frederic Wilson, research geologist at the USGS and lead author of the map. ‘Really, it’s the treasure trove of information in the database that makes this map special and that information is part of the release.’

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