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rock id please
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Topic: rock id please (Read 3567 times)
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dmathis992
Member
Posts: 26
rock id please
«
on:
February 22, 2015, 02:41:49 pm »
Ok this rock is extremely hard almost like a glassy texture to it. any info is appreciated.
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Chippintuff
Member
Posts: 777
Re: rock id please
«
Reply #1 on:
February 22, 2015, 03:19:23 pm »
Where did it come from? Can you give a couple high def. photos of it with good detail?
WA
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dmathis992
Member
Posts: 26
Re: rock id please
«
Reply #2 on:
February 22, 2015, 03:28:29 pm »
It came from a nearby creek bed . In Jefferson city Missouri if that helps.
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dmathis992
Member
Posts: 26
Re: rock id please
«
Reply #3 on:
February 22, 2015, 03:30:30 pm »
hers another.
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dmathis992
Member
Posts: 26
Re: rock id please
«
Reply #4 on:
February 22, 2015, 03:31:48 pm »
You can see where I've taken a few flakes off but developed ridges.
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stickbender
Member
Posts: 3,828
Re: rock id please
«
Reply #5 on:
February 22, 2015, 03:34:10 pm »
Well that pretty much rules out Obsidian.
It could be the black Noviculite, which demands high prices from the Arkansas stone manufactures.
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mullet
Global Moderator
Member
Posts: 22,911
Eddie Parker
Re: rock id please
«
Reply #6 on:
February 22, 2015, 06:12:46 pm »
I don't know but like what I see where you took the flakes off.
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Lakeland, Florida
If you have to pull the trigger, is it really archery?
Dalton Knapper
Member
Posts: 339
Re: rock id please
«
Reply #7 on:
February 22, 2015, 06:17:20 pm »
I am not sure geoloigically where it exists. I know there is nome in North Arkansas, so I will guess Pitkin Chert. If you break off a healthy flake, smell it and it smells sulphurous, or like burnt motor oil, that would confirm the guess.
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dmathis992
Member
Posts: 26
Re: rock id please
«
Reply #8 on:
February 22, 2015, 07:10:27 pm »
ok cool ill check it in a while but I found a lot of it but very small pieces all extremely straight without any type of knapping. After I took a flake off I wanted to get an I'd and keep it for examples to find larger pieces
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TRACY
Member
Posts: 4,523
Re: rock id please
«
Reply #9 on:
February 22, 2015, 08:25:09 pm »
Looks like a chunk of slag from glass furnace. Are you downstream or near any industrial sites? I'm with mullet, flakes look good, get more and make some points.
Tracy
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It is what it is - make the most of it! PN500956
mullet
Global Moderator
Member
Posts: 22,911
Eddie Parker
Re: rock id please
«
Reply #10 on:
February 22, 2015, 08:42:39 pm »
The cortex does look melted and has air bubbles.
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Lakeland, Florida
If you have to pull the trigger, is it really archery?
dmathis992
Member
Posts: 26
Re: rock id please
«
Reply #11 on:
February 22, 2015, 09:16:23 pm »
No industrial sites that I am aware of but it's possible. I'll post some pics after I finish one.
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mullet
Global Moderator
Member
Posts: 22,911
Eddie Parker
Re: rock id please
«
Reply #12 on:
February 22, 2015, 10:28:01 pm »
It could have been dumped.
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Lakeland, Florida
If you have to pull the trigger, is it really archery?
StevenT
Member
Posts: 612
Re: rock id please
«
Reply #13 on:
February 23, 2015, 10:12:50 am »
Slag was my first thought also, but I am way down on the food chain when it comes to identifying rock.
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Dalton Knapper
Member
Posts: 339
Probably Slag
«
Reply #14 on:
February 23, 2015, 11:41:01 am »
This post has been edited for reasons of getting the place's name wrong! No need for me to provide the wrong information!
«
Last Edit: February 23, 2015, 05:58:37 pm by Dalton Knapper
»
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rock id please