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Post by fernwood on Jun 5, 2019 10:46:29 GMT -5
Found at location on my Avatar. I think this is more stuff from the Niagara Escarpment. If anyone here is familiar with what the last glacier transported from the escarpment to Central WI, I would appreciate your knowledge. 1dave maybe something for you to research? Hint, hint. It has more moss agate features than any others I have found. Mohs about 7-7.5. At first I thought this was Granite, now am not sure. The greenish black areas are magnetic. In hand, appears to be a combo of jasper, quartz and hematite. Most areas, except the green/black ones are about 7-7.5 mohs. The others are about 6. A strange one. Greenish/black areas are magnetic. White areas are about a 6.5 mohs. Yellow/orange areas about 7-7.5 mohs. Green/black areas about 6 mohs. It appears somewhat fossil like to me. Any thoughts? Thanks
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Post by 1dave on Jun 5, 2019 14:11:29 GMT -5
I'll try to remember. Right now I'm involved with the aftermath of the collision between Oregon and Siletz. This produced some of our spectacular rocks!
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fuss
spending too much on rocks
Member since October 2018
Posts: 250
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Post by fuss on Jun 7, 2019 8:25:31 GMT -5
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fuss
spending too much on rocks
Member since October 2018
Posts: 250
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Post by fuss on Jun 7, 2019 8:28:23 GMT -5
top set of photos is chert/chalcedony nodule mix. The second needs better photos, dry, without direct flash preferable.
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Post by 1dave on Jun 7, 2019 8:28:37 GMT -5
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Post by fernwood on Jun 7, 2019 8:38:43 GMT -5
Thanks 1dave Yes, the Green Bay Lobe ended on the North side of my property. Deposited some fossils that were knocked off the Niagara Escarpment. Other fossils, agates and minerals are abundant on my land. I took better photos of the first one and posted separate. It has a lot of moss and agate/fossil features in it. Will try to get better photos of the green/white one soon.
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Deleted
Deleted Member
Member since January 1970
Posts: 0
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Post by Deleted on Jun 7, 2019 11:14:56 GMT -5
I wonder whether the greenish areas might be magnetic due to minerals containing nickel or nickel-iron (either of which would be magnetic, e.g., pentlandite) pushed down from Manitoba, Michigan or western Ontario?
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