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Showing results for tags 'cavity'.
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I was down rockhounding at the river when I found an interesting rock, this is how it looked on the outside: I noticed the interesting banding and decided to take it home and break a chunk off for further inspection. The rock proved much more brittle than I had anticipated, and it broke into three chunks. The rock is heavier/denser than it seems, and breaks apart much like obsidian/flint/other knappable stones. The first one is the above picture. Here's what it looks like on the inside and then how the other two fragments look: and I also noticed there are a ton of these in the rock, more than just what's here: So overall I have many questions that I was hoping you fine folks could answer, cause I'm a little lost here. 1) What type of rock is this? 2) How did this rock form? 3) What mineral is this little cavity of druzy crystals I found? 4) How would you describe this cavity of crystals? It's not a geode... 5) Is this one of those sort of rocks that is super common and I've just never encountered one until now? Any and all help appreciated
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Hi folks. Been scratching my head over these for years now. Can find nothing similar through searching the web. A museum in Berkeley Springs, WV has loosely similar and call it squid, but not really close in appearance. The end of these are almost perfect taper and radiussed end, almost like machined. Some have a small stipple dead center on the rounded end. Some have shallow grooves but some (most) are as smooth as glass. A local suggested they were filled holes left by worms of sorts. Thanks for your time and attention. Regards, Rocky
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If anyone would like a free sample of sifted or unsifted matrix soil from the bison excavation I was involved in, please send me a private message. The interior cavity soil has been 1/4" screened and came from the rib cage and thoracic area of the nearly complete bison skeleton mentioned in other threads on this forum. I also have unscreened matrix from the cranial, nasal, and oral cavities of the skull. NOTE: this unscreened skull matrix has lots of bone fragments in it. If you are able to pick up in or near Austin, I would be happy to meet you. Otherwise, if you want to send a self-addressed stamped package with the amount of soil you'd like, I will gladly send samples back to you. I'm not seeking any financial compensation, or financial loss-- so if you want a sample please just cover the shipping cost. In return I just want you to share what you find! Let me know if you're interested.
- 5 replies
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- bison occidentalis
- cavity
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