J Harlan Bretz – HistoryLink.org Biography


Fans of the story of how J Harlan Bretz persevered with the Ice Age Floods theory will undoubtedly find very interesting the short online HistoryLink.org biography of his life. From a Michigan farmer’s son to a gumshoe geologist with an “outrageous … Continue reading

In Memory of Terry Hurd, Our Chapter Founder and President

Terry Hurd

Terry Hurd, our chapter founder and president, passed away on Saturday, July 25. Terry was a tireless advocate for spreading the word about the Ice Age Floods throughout the Gorge, and his passing has left a huge void that we need volunteers … Continue reading

Pillow Basalt and Palagonite – Lava Flowing into Water

Weathered pillow basalts disconformably underlie columnar basalts

Pillow basalt and palagonite are the result of lava flowing into water. We have a striking example right here in the Columbia River Gorge at the east end of The Dalles. This video gives a good idea of how these basalt pillows … Continue reading

Glacial Lake Missoula


This feature-filled video by Tom Foster and Nick Zentner explores the evidence for Glacial Lake Missoula, and provides a treasure trove of places to visit and sights to see when you plan your field trip to the area. … Continue reading

Glacial Lake Missoula – A Portrait


In this video Tom Davis flies you back some 17,000 years ago to see and hear what the landscape of Glacial Lake Missoula might have looked and sounded like. … Continue reading

Mystery of the Megaflood


Explore the features and reasoning that lead to the recognition of the “Missoula (Outburst) Floods” and helped to solve “The Mystery of the Megaflood (Spokane Floods or the Bretz Floods)”

Two New Dinosaur Species Found


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Gorge Geology in 22:22 Minutes – Very Cool


This video by Tom Foster and Nick Zentner about the Columbia River Gorge features an incredible variety of geology and human history as it slices through the Cascade Range of the Pacific Northwest. The Columbia River Basalts, the Missoula Floods, … Continue reading

Yellowstone Supervolcano’s Huge Magma Chamber

Yellowstone's Grand Prismatic Hotspring

Yellowstone, which spans parts of Wyoming, Montana and Idaho, is among the world’s largest supervolcanoes and experiences frequent earthquakes . Scientists have recently spied a vast reservoir of hot, partly molten rock beneath the supervolcano at Yellowstone National Park that’s … Continue reading

Lassie and the Broughton Mill Flume


Here’s a great bit of nostalgia for those who remember the Lassie series on TV. One of our fieldtrippers sent me a link to this Lassie outtake that includes the Broughton Mill Flume. We try to point out the rapidly … Continue reading