Here is a photo I took of the area around Alcova Reservoir in Wyoming.
Its about a 2 1/2 hour drive from here.
There are fossils and some fantastic banded ironstone (tiger iron) in this area.
I hiked the dinosaur trail and got some great photos.
the area has a lot of bentonite deposits, where I have found the early beginnings of rocks becoming Septarian Nodules.
Here is one of those stones I found. The brown calcite in the cracks is very delicate and the rock can easily fall apart. Perhaps if this stone laid beneath the ground for another 10-20 years, it would become a solid Septarian Nodule.
These are mostly found in Utah and I live near the Montana / Wyoming border, so I was suprised and delighted to find this here.
Her is another I found.
Here is a road cut exposure showing the various geological aspects of the area.
This shows Alcova Reservoir and one area that contains a lot of Bentonite Clay (the gray). The water is a little cloudy on the edges due to the clay run-off.
Hiking on these clay hills is fun and can be challenging.
A large boulder there.
Another roadcut. Note the various layers of rock and earth. Many fossils have been found in this area, and the soil is loose, which makes for easy fossil hunting!
and then.............there is Castle Gardens. Another favourite rock climbing / hunting place of mine, just over the Bighorn Mountains near Ten Sleep, Wyoming. Check out the view!!!
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