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Post by snowmom on May 28, 2018 18:29:46 GMT -5
The so called agates in the news articles are chert nodules, the banding is leisgang banding... sometimes true great lakes agates are found as glacial transports in Huron, Erie, and Michigan, but they are rare. Fossiliferous chert which started life as stromotolite or stromatoporoid seem to make up some of the so called agates. close inspection of the photos in news articles etc reveal they are simply chert. Chert being microcrystaline silica, its composition is indeed similar to agate, and both chert and agate are sedimentary in nature... but agate's mother is basalt and chert's is limestone or calcium carbonate sediment. quartzpage.de/ has good info to help clarify |
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Post by snowmom on May 24, 2018 18:07:38 GMT -5
that surely resembles thunder egg material out of Baker Mine in New Mexico
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Post by snowmom on Mar 26, 2017 6:04:13 GMT -5
so sorry keeping you in thoughts and prayers
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Post by snowmom on Mar 26, 2017 6:01:03 GMT -5
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Post by snowmom on Jan 15, 2017 7:57:36 GMT -5
I know somebody who regularly pulls stuff out of some of the smaller parks in that area, the glaciers did a good job of distributing pudding stone much farther south into Indiana, Ohio, and Illiinois as well. Not as common as farther north, but still can be found. Burtchville city park is mentioned in discussion i read recently. be sure to show us what you find!
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Post by snowmom on Jan 15, 2017 7:50:43 GMT -5
The fun is in the learning! Thanks for the extra photos Jamesp, they will go right back into the reference files!
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Post by snowmom on Jan 7, 2017 6:47:21 GMT -5
Going through old posts and collecting images, my computer crashed at christmas 2016 and my thousand or so photo reference files of images all lost, not deemed worth the expense to try to save them off the hard drive .... this was such a lot of fun, i am still so deeply grateful to all of you for the input help, slabs, and all the learning. Thank you!
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Post by snowmom on Dec 28, 2016 5:36:25 GMT -5
thank you! hope we all have our ducks in a row here now, computer just crashed taking all my research links and images from all my hunts since 2014, so starting over from scratch, this time will make it a point to back things up. wishing you all a happy new year, and everything good for 2017.
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Post by snowmom on Jul 28, 2016 4:31:26 GMT -5
wonderful! we raised our family on such a place, about the same size setup. the best sunrise and sunset views in the county too. made me nostalgic. Congratulations and I know you will enjoy it. Take time to savor, it all goes by so quickly!
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Post by snowmom on Jul 1, 2016 14:17:37 GMT -5
hooray for the red, white, and blue!
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Post by snowmom on Jun 21, 2016 6:42:59 GMT -5
nice detail!
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Post by snowmom on Jun 19, 2016 18:45:48 GMT -5
so beautiful. beautiful memories for you forever!
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Post by snowmom on Jun 15, 2016 6:38:37 GMT -5
I bet it would tumble. I have hiked all over Devils lake in my mis-spent youth, and that purple is everywhere.. most without much white, but everywhere. beautiful stuff.
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Post by snowmom on Jun 13, 2016 7:05:02 GMT -5
beautiful. must be hundreds of named kinds. microscopic details to ID. stromatolites and stromatoporoids becoming my favorite fossils, i want one of each kind LOL. love those star shaped crinoids, i only find the round ones here...
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Post by snowmom on Jun 13, 2016 6:55:14 GMT -5
tabulate coral.
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Post by snowmom on Jun 13, 2016 6:33:41 GMT -5
eating one of those caterpillars must be like swallowing a toothbrush. yyyyeeeeeech!
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Post by snowmom on Jun 13, 2016 6:07:51 GMT -5
beautiful work, enjoyed looking at the sequence of creation. a glimpse into your creative mind.
LOL about the glitter, somebody told me it is the herpes of the craft world.
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Post by snowmom on Jun 12, 2016 17:59:30 GMT -5
almost done.. now i'm hungry AND jealous!
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Post by snowmom on Jun 12, 2016 17:58:07 GMT -5
watching with interest.
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Post by snowmom on Jun 12, 2016 17:45:13 GMT -5
it looks like hexagonaria, a colonial rugose coral, the same stuff as petoskey stone but yours seems to have less infilling, a nice specimen. comes from Devonian era around here, in Ohio, Kentucky, and a few places farther west... also probably many other places. Compare to Jugglerguy or Drummond Island Rocks examples. I had a hard time figuring out the scale of that piece and finally decided the boards it was sitting on were standard lumber. Seems to be a complete head, they are not rare but that is rather a nice one.  |
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