Primitive Archer

Main Discussion Area => Flintknapping => Topic started by: 65x55 swedis on January 25, 2010, 02:32:26 am

Title: rock id please
Post by: 65x55 swedis on January 25, 2010, 02:32:26 am
I was out fishing to day and getting snage on everything. on my way back i stumbled on to these rocks. they spal good and produce a fairly sharp spal. they  have a very fine looking glitter when the light hits them.i thought it might be flint but i thought flint was shinner. any ideas. thanks.

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Title: Re: rock id please
Post by: jamie on January 25, 2010, 10:38:54 am
where ya located
Title: Re: rock id please
Post by: Hillbilly on January 25, 2010, 12:22:41 pm
Looks like a low-grade chert, or a high-grade silicious limestone. I've found some limestone in eastern TN that looked just like that and knapped fairly decent. Like Jamie said, where are you?
Title: Re: rock id please
Post by: cowboy on January 25, 2010, 12:47:24 pm
First impression is some kind of shale.
Title: Re: rock id please
Post by: brian melton on January 25, 2010, 03:39:27 pm
basalt would be my guess
Title: Re: rock id please
Post by: jamie on January 25, 2010, 05:58:49 pm
That's what I was thinking brian. Arizona basalt
Title: Re: rock id please
Post by: 65x55 swedis on January 25, 2010, 07:59:09 pm
i live in middle idaho hope this helps ???
Title: Re: rock id please
Post by: arappaho on January 25, 2010, 08:06:00 pm
Idaho. I'd have to guess basalt, too.
Title: Re: rock id please
Post by: 65x55 swedis on January 25, 2010, 10:02:08 pm
is basalt any goot to knap?
Title: Re: rock id please
Post by: mullet on January 25, 2010, 10:27:25 pm
 Some of it is. The less grainier the better. Beat on it and see what happens.