Eagle Formation, Billings Montana

One of my favorite places to hike in the Billings area is Zimmerman Park, which is mostly atop the Rimrocks, a cliff formed by sandstone of the Cretaceous Eagle Formation. The Eagle Formation is usually interpreted to be either a barrier island deposit, similar to Padre Island in Texas, or a shallow marine sand bar …

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Billings Gazette geology videos

The Billings Gazette has three short videos on the geology of the Billings, Montana area featuring Rocky Mountain College geology professor Derek Sjostrom: Geology of the Beartooths -- Montana's highest mountain range (Granite Peak, 12799 ft, 3902 m) has a core of 3.2 billion year old metamorphic rocks. Geology of the Pryors -- The Pryor …

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Rock fall in Billings hits house, again

Video from the Billings Gazette: Rimrock boulder destroys video camera (I haven't figured out to embed this on on my WordPress blog). Slideshow: Gallery: Falling rocks. Article: Crews succeed in pushing slabs off Rimrocks cliff. Here's another video, but it isn't nearly as good as the "Rimrock boulder destroys video camera" linked to above: As …

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Billings house demolished by rock slide

People like to build in pretty places. In Billings, Montana (where I spent the first eighteen years of my life), there are plenty of big houses along the Rimrocks, a cliff that forms the northern border of much of the city. Part of the landscaping for these expensive homes is the sandstone boulders, many of …

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