nemesis21
noticing nice landscape pebbles
Member since August 2017
Posts: 88
|
Post by nemesis21 on Aug 13, 2017 16:36:02 GMT -5
Thanks
|
|
nemesis21
noticing nice landscape pebbles
Member since August 2017
Posts: 88
|
Post by nemesis21 on Aug 13, 2017 16:01:28 GMT -5
Correct me if I'm wrong, but this is a stromatolite fossil right? Pretty sure the rock is jasper(mary ellen?) with some basalt on top. Found in central MN(Twin Cities). Probably looks much better polished, but this is raw with a little water.
|
|
nemesis21
noticing nice landscape pebbles
Member since August 2017
Posts: 88
|
Post by nemesis21 on Aug 7, 2017 21:45:20 GMT -5
The first, the big yellow one, and last one are about 6 lbs each the others are maybe 2-3 lb. Haha, yea I'll keep picking them up if I can find em. They keep building more housing developments around here and I get to find some interesting stuff.
If I ever manage to cut em I'll put some pictures up.
Cheers
|
|
nemesis21
noticing nice landscape pebbles
Member since August 2017
Posts: 88
|
Post by nemesis21 on Aug 7, 2017 21:28:36 GMT -5
Unfortunately that's beyond my capabilities at the moment. I'm more of a rough stone collector(lake superior agates) at the moment. These were just some odd ones i picked up in case I ever felt like picking up flint knapping(before I cleaned them off). The majority of the pictured rocks are probably what you would see with a window cut as well, aside from the yellow one with the big pit in the middle.
Don't get me wrong, I am curious. Just not curious enough to drop a bunch of money it(yet).
Thanks
|
|
nemesis21
noticing nice landscape pebbles
Member since August 2017
Posts: 88
|
Post by nemesis21 on Aug 7, 2017 20:26:31 GMT -5
Huh, that's interesting. Agatized jasper sounds very similar to what I imagine a moss agate to be. I wonder if there's a scientific difference or if it's just common names.
By the way, if you right click a photo and view it in a new browser window(or follow the imgur link) you can see it at a better resolution, I just scaled them down to reduce clutter/load time.
|
|
nemesis21
noticing nice landscape pebbles
Member since August 2017
Posts: 88
|
Post by nemesis21 on Aug 7, 2017 11:40:12 GMT -5
Found these this summer while looking for lake superior agates in central Minnesota. I figured they were chert because the outside of the rock was white, which I assumed was limestone, but after cleaning them up a bit I noticed little agate like tubes running through them. I guess basalt host rock can come in a white variety as well, but it's probably not very common here. Can chert have tubes like this running through it or is this another form of agate? I know there are "cold water agates" in Minnesota as well, but I always attributed them to fossilized marine creatures like coral. I'm thinking about getting a loupe too look closer at it, but any guidance would be appreciated. I have a couple like this at around 5+ lbs and a few smaller ones that I could post pictures of as well. Also, sorry about the bad pictures my camera is pretty old and apparently I can't sit still. Full Album: imgur.com/a/nytlz Rock #1: Rock #2: Rock #3: Rock #4: Rock #5:
|
|
nemesis21
noticing nice landscape pebbles
Member since August 2017
Posts: 88
|
Post by nemesis21 on Aug 3, 2017 10:32:20 GMT -5
Thanks. I'm in MN near the Twin Cities.
|
|
nemesis21
noticing nice landscape pebbles
Member since August 2017
Posts: 88
|
Post by nemesis21 on Aug 3, 2017 10:13:13 GMT -5
I found a strange lake superior agate the other day. It's definitely a geode, but it looks like all of the agate has fallen down to the "bottom" of the stone and left only quartz behind. Could be a ruin/faulted agate? Does anyone know what kind of laker this is for sure? I've only been collecting for a few months so I'm no expert It weighs about 2 lbs
|
|