Question on trilobites

[tolan]

Are there trilobites in Denver?

 

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[Mackaydon]

The main trilobite-bearing formation in Colorado is the Manitou Formation (Manitou Dolomite), which is Lower Ordovician in age. The Manitou Formation is composed of mainly limestone, dolomite, and red dolomite. It has been divided into the Deadhorse and Tie Gulch Members in its northwest province near Glenwood Springs, Garfield Co. in the Piceance basin and the Helena Canyon, Ptarmigan, and Fairplay Members in its southeast province near Salida, Gunnison Co. in the Piceance basin. The Manitou Formation is exposed along the Front Range of Colorado, and extends southward (as far as the San Luis Valley), and north and west (as far as the northern Sangre De Cristo range in the San Isabel National Forest of south central Colorado).
Don.......

 

[tolan]

Are any of those public lands by the way?

 

[Mackaydon]

I suggest you research for the answer to that question here: Colorado | Public Lands Information Center | Recreation Search
Don.....

 

[austin]

So are there any in Denver?

 

[Mackaydon]

I suggest you get a geological map of the state and see if the formations I mentioned above overlay Denver. You can obtain such maps through the Colorado School of Mines or through the Reference Desk at any major Colorado library.
Don.....

 

[tolan]

Are books a good source for places to go dig fossils?

 

[Tigger]

Books are great resources! Even if they're outdated, they should still be a help, as fossils continually get eroded from hillsides, etc. Try "Rockhounding Colorado". Here's a website that should be a help: http://www.blm.gov/pgdata/etc/medialib/blm/co/programs/minerals.Par.44677.File.dat/Rockhounding%20Brochure.pdf

Also, try finding a local rockshop, Gem & Mineral Society, etc for help in identifying your finds and possible field trips, etc.
Good luck!
Tigger