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Coaldale Crater Gemstones, Meteorite Impact Produces Rare Specimens
ASTROBLEME
post Aug 3 2016, 04:39 PM
Post #31


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Joined: 16-October 08
From: Central Colorado
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Members and Guests of Colorado Prospector,

Many years ago I discovered a highly eroded, geologically complex and very ancient impact crater centered 3 ¼ miles northwest of Coaldale, Colorado (USA). I am announcing this discovery as a long-time contributor to this forum in an effort to assure that the public has access to this information. Dan (the owner and operator of Colorado Prospector) is preparing some of my "Coaldale Crater" specimens for jewelry settings. He has graciously agreed to document his work progress so that others can gain a better understanding of the effort it takes to transform these raw materials into valuable gemstones. Please take time to follow this project along the way. I hope you find the subject interesting.

I'll be sharing the science behind this amazing discovery as our work progresses. This research builds upon my work at Gunnison Crater, Westcliffe Crater, Silver Cliff Crater and Hillside Crater that proved an extension to the 38th Parallel Crater Chain dating to the Late Devonian Period. Although the Coaldale Crater is also along the 38th Parallel, it is not part of the well documented crater chain system. My efforts in the Coaldale Colorado region included collecting field survey data, acquiring and analyzing numerous geologic specimens followed by an extensive review of the relevant scientific literature. The results support an impact event that occurred during the Oligocene Epoch.

For now, I'm providing the attached map depicting the present peak ring exposure. It is fascinating that this impact crater has survived the deep erosion and strong fault deformation that Mother Nature has provided continually over the past 27+ million years.

Sincerely,

ASTROBLEME

Attached Image


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Annual Dues Paying Member Since 2008

Tonko Mining Company

"Some day this crater is going to be a greatly talked about place, and if the above credit is due, as is certainly the case, I would like to have it generally known for the sake of the children." Daniel Moreau Barringer 2/1/1912 in a letter about the Barringer Meteorite Crater, Arizona USA
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Posts in this topic
- ASTROBLEME   Coaldale Crater Gemstones   Aug 3 2016, 04:39 PM
- - ASTROBLEME   CP, Your work efforts on the Gunnison Crater Tekt...   Aug 17 2016, 04:02 PM
- - ASTROBLEME   Here's a link to a news release that explains ...   Aug 18 2016, 04:49 PM
- - CP   Thank you Johnny for the fine compliments! I...   Aug 18 2016, 10:14 PM
- - ASTROBLEME   Slickensides: Earlier this year (without revealin...   Aug 19 2016, 04:15 PM
- - CP   Cutting project progress update.........This week ...   Sep 1 2016, 04:14 PM
- - swizz   Exceptional work Dan and truly unique and amazing ...   Sep 2 2016, 07:56 AM
- - ASTROBLEME   Dan, Those specimens are truly becoming gemstones...   Sep 2 2016, 01:18 PM
- - CP   Thanks Chris and Johnny , glad they've come o...   Sep 3 2016, 09:59 AM
|- - ASTROBLEME   Dear CP, When I read your post that the inclusion...   Sep 5 2016, 06:55 PM
- - CP   Hey Johnny, whew, glad you got the re-read and di...   Sep 5 2016, 07:28 PM
|- - ASTROBLEME   [quote name='CP' date='Sep 5 2016, 08:...   Sep 7 2016, 06:44 PM
- - CP   Yep Johnny, can't tell in these pics either bu...   Sep 7 2016, 08:00 PM
|- - swizz   Referring again to the meteorite specimens in the ...   Sep 9 2016, 07:46 PM
- - swizz   Very interesting, I'm following for sure. I en...   Sep 7 2016, 09:45 PM
- - CP   Another great question for the extended study on t...   Sep 7 2016, 10:01 PM
|- - swizz   QUOTE (CP @ Sep 7 2016, 10:01 PM) ...I...   Sep 7 2016, 10:03 PM
|- - ASTROBLEME   CP, That angular white inclusion that swizz notic...   Sep 9 2016, 06:00 PM
- - Denise   The cabochons turned out great Dan, nice work.   Sep 10 2016, 09:07 AM
- - CP   Thanks Denise, they were fun to cut and are all ve...   Sep 11 2016, 04:20 PM
- - ASTROBLEME   Thanks to CP's expert cutting and polishing ef...   Sep 19 2016, 03:50 PM
- - CP   Thanks again Johnny, I'm really glad they all ...   Sep 22 2016, 06:37 PM
- - ASTROBLEME   LUNAR METEORITE CREATED COALDALE CRATER! A ce...   Dec 27 2016, 05:49 PM
|- - GeoMatt   Extrusive rocks associated with volcanism in Color...   Dec 28 2016, 11:13 AM
- - ASTROBLEME   GeoMatt, Thanks for your comments. I do have add...   Dec 28 2016, 05:10 PM
- - ASTROBLEME   Dear Colorado Prospector Members and Visitors, Th...   Dec 30 2016, 08:56 PM
|- - GeoMatt   The plot on the figure suggests your sample has li...   Jan 4 2017, 03:10 PM
- - swizz   You guys are waaay over my head now but please kee...   Jan 4 2017, 05:57 PM
- - ASTROBLEME   Everyone, I've compared my data against NASA ...   Jan 4 2017, 08:48 PM
|- - GeoMatt   Actually, if you look at the source page for the c...   Jan 4 2017, 11:12 PM
- - ASTROBLEME   Hi Everyone, I have long recognized that all pros...   Feb 9 2017, 06:57 PM


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