Colorado Stromatolite Fossils |
Colorado Prospector - Gem and mineral prospecting and mining forums > Prospecting, Mineral Collecting and Treasure Hunting Forums > Fossil Finds, Processes, Adventures and OutingsColorado Stromatolite Fossils |
 Jan 20 2016, 10:17 AM
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 Moderator  Group: Members Posts: 4,459 Joined: 25-August 09 From: way on up thar Member No.: 6,983  |
Post up your pics here if you've been lucky enough to stumble across any. I have several specimens (none are from the Lykins Formation). All of my finds are from Grand County and at a fairly high elevation in relation to the Lykins Formation. I believe they were encased and preserved by a volcanic event. As the volcanic surface rock (extrusive igneous) erodes they are exposed. My finds have been loose alluvial... or placer in nature, just keeping my eyes peeled and flipping rocks.
This is probably my favorite. It has a bonus.... a druzy pocket on top that is filled with micro crystals. This one probably got pretty hot. Fossil/gem or geode combo I reckon. Kinda ugly but kinda purty.... hey, it has inner beauty.  Top  Stromatolite Top by GhostCreekMine, on FlickrBottom  Stromatolite Bottom by GhostCreekMine, on FlickrSide  Stromatolite Side by GhostCreekMine, on FlickrInside Druzy Pocket (unknown crystallization)  Stromatolite Druzy Crystallization by GhostCreekMine, on Flickr
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Jan 21 2016, 03:34 PM
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Shovel Buster! Group: Members Posts: 100 Joined: 24-May 15 Member No.: 120,476 |
Nice fossils swizz!
Here are a two links to photos of stromatolites in the Lykins Formation. The first link is to an outcrop near Colorado Springs. Permian/Triassic Lykins Formation 250 mya The second link shows several photos in Boulder Valley. The website is run by Steve Wagner, a volunteer at the Denver Museum of Nature & Science (DMNS). Geology of Colorado (Boulder Valley) - Field Trip #1, Stop #4: Lykins Formation Many, many years ago I remember a field geology problem where we learned how to measure a stratigraphic section with a Jacob's staff and Brunton. The field area was between Red Rocks Park and I-70. I'm not sure whether the area is still accessible for folks to see the stromatolites or not. |
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swizz Colorado Stromatolite Fossils Jan 20 2016, 10:17 AM
swizz Colorful Stromatolite fossilization encased in ext... Jan 20 2016, 10:22 AM swizz This one is different but from the same location. ... Jan 20 2016, 02:46 PM Mrs.CP Those are fantastic Chris!! I really li... Jan 21 2016, 08:46 AM Crusty Almost as cool as this one I found here in Falcon ... Jan 21 2016, 09:42 AM
James and Cyndi QUOTE (Crusty @ Jan 21 2016, 08:42 AM) Al... Jan 21 2016, 10:22 AM Skygazer Very nice pic's Chris, the movie you posted na... Jan 21 2016, 01:23 PM swizz Thank you Denise, Skygazer and Gene excellent link... Jan 22 2016, 07:48 AM |
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