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| In the early 20th century ammonites
were re-discovered by in the river valleys of southern Alberta. It wasn’t
until the early 1960’s when expertise from the Australian Opal Industry was
brought in to develop gem stabilizing and cutting techniques that would help
build consumer confidence and provide for a consistent quality of gem. |
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The prairie of southern Alberta was once a fresh-water inland sea. The Bearpaw Sea covered most of the province and layed down over 1000 feet of dark grey shale that is known as the Bearpaw Formation. Ammonites occur throughout this formation in clearly defined horizons. Here our mining team strips away the top soil after having cleared archaeological, paleontological and environmental assesment and impact. |
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Though this area is one of less
than average precipitation, ground water penetration
can oxidize and damage the aragonite shell covering
on the ammonite. We must dig below water seepage for
protected fossiliferous layers.
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An iron rich concretion protects
the ammonite from breaking up during deposition. The ammonite to the left
shows the vibrant red color that is the most common color occuring on Bearpaw
Ammonites. Named Red Blazer, this commercial grade material is used to make
non-gem products such as our Feng Shui Symbolics.
Below, left and right, are before and after pictures of an ammonite that shows a perfect shape.
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