Terrane wreck lures explorers to Alaska
Nearly 400 million years of mineral-rich formations crashing into each other created among world's most prospective geology
Last updated 2/28/2010 at Noon
Geologically, Alaska is a terrane wreck, with multiple tectonic plates dumping their mineral payloads over the landscape. Geologists are still sifting through the wreckage in many places across the state to determine which mineral deposits were dumped by which terranes and when - a task not always easily accomplished as pileups have resulted, in many cases, from multiple mineralization events h...