Mima/Desert/Biscuit Mounds – An (Possible) Explanation
If you’ve visited the Rowena Crest Viewpoint at Tom McCall Preserve, west of The Dalles in the Columbia River Gorge, you may have noticed the many dome-shaped earthen mounds that cover
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If you’ve visited the Rowena Crest Viewpoint at Tom McCall Preserve, west of The Dalles in the Columbia River Gorge, you may have noticed the many dome-shaped earthen mounds that cover
By reconstructing the sea level history of the Bering Strait, scientists found that the strait remained flooded and the Bering Land Bridge connecting Asia to North America did not emerge
“To see a world in a grain of sand”, the opening sentence of the poem by William Blake, is an oft-used phrase that also captures some of what geologists do. We
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,
THE GRAND COULEE – A Floods Poem THE GRAND COULEE Older than legends,Younger than mountains,The earth remembersThe Great Inland Sea. And that Sea emptiedIn torrential furyNever imaginedEven in dreams. Down
A newly discovered crater suggests a second impact that would have triggered underwater landslides and tsunamis On its own, the dinosaur-killing asteroid had a staggering impact: Wildfires raged across the
Analysis of how long erratics have been exposed on ice-free ground in the hypothesized “Late Pleistocene ice-free corridor migration route” suggests that route was not fully open until about 13,800
Long before dinosaurs, Earth was dominated by animals that were in many ways even more incredible. Carnivores such as Titanophoneus, or “titanic murderer,” stalked enormous armored reptiles the size of buffalo. Many
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
height of dry falls Q – I am a long time resident and have been to Dry Falls several times. Can you please tell me the elevation change between the
Badger Mountain Landslide Potential? Q – With all the homes being built on and around Badger mountain in the Tri-Cities, is there any danger of landslides, similar to what is
Some 240 million years ago, an enormous supercontinent known as Pangea encompassed nearly all of Earth’s extant land mass, Pangea bore little resemblance to our contemporary planet, but thanks to
Our brains are pretty good at physics. For instance, you can watch somebody kick a soccer ball in front of you, and you can run to the spot where you
Evidence Elsewhere of Ice-Age Floods? Q – Is there evidence elsewhere in the world of ice age floods? Intuitively, I would think glaciers dammed other rivers, created lakes and then
Oregon State University archaeologists have uncovered projectile points in Idaho that are thousands of years older than any previously found in the Americas, helping to fill in the history of
Have you ever thought about the how the weight of the ice-age Cordilleran ice sheet might affect the underlying Earth’s crust. There is strong evidence that the crust was depressed
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