The Oldest Stone Tools Ever Found in the US
Indigenous people have been in the Americas longer than archaeologists once thought. Stone tools unearthed from a rock shelter in Southern Oregon were last used more than 18,000 years ago, […]
Modeling Time: Human, Geologic, Cosmologic
It’s difficult for most people to grasp the immensity of time as it’s viewed by archeologists, much less as it’s viewed by geologist or cosmologists. One way often used by […]
Molten Mush Under Yellowstone Supervolcano
The mantle hotspot now under Yellowstone is thought to have been the source of the voluminous Columbia River Basalts that erupted from 17 to 6 million years ago as the […]
Why Did The Last Ice Age End?
Nearly 10,000 years ago, Earth came out of its most recent ice age. Vast, icy swaths of land around the poles thawed, melting the glaciers that had covered them for […]
Lyle Cherry Orchard Trail Geology Recording
The Lyle Cherry Orchard Trail is a moderately strenuous trail being developed in the Columbia Gorge by Friends of the Columbia Gorge. They envisioned having a number of interpretive stations […]
Outburst Floods GSA Penrose Conference Visits West Bar
The 2023 GSA Outburst Floods Penrose Conference made a field trip stop on Tuesday afternoon, June 6, at Ken Lacy’s (IAFI Wenatchee Valley Erratics Chapter member) home, for a spectacular […]
2023 Rock-Out Jubilee was a Weekend of Wonders
There was no better way to celebrate the 100th anniversary of the Ice Age Floods story than with a bunch of Floodies exploring the Grand Coulee. On June 1-3 over […]
Sea levels from the Maximum of the Last Ice Age to the Present Day
The Wenatchee Valley Erratics’ next program will be on Tuesday, June 13 at 7:00 PM at the Wenatchee Valley Museum and Cultural Center, 127 South Mission St., Wenatchee. Erratics’ member Kirk […]
Some Ice-Age 1st Peoples in Americas Came From China
The first wave of humans into the Americas during the last ice age may have hailed partly from northern China, according to a DNA study of ancient and modern Indigenous […]
How do we know how old Earth is?
By measuring radioactive elements in rocks from Earth and other parts of the solar system, scientists can develop a timeline of our planet’s early years. Earth is roughly 4.54 billion […]