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Please help identify
  
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SouthernAppalachian




Joined: 23 May 2018
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PostPosted: May 23, 2018 15:26    Post subject: Please help identify  

is this hematite? it was found in western North Carolina near the Ridgeline. Very close to Grandfather Mountain.


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Kevin Schofield




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PostPosted: May 23, 2018 16:02    Post subject: Re: please help identify  

SouthernAppalachian wrote:
is this hematite? it was found in western North Carolina near the Ridgeline. Very close to Grandfather Mountain.


Very definitely not haematite. Without getting too specific, both of these appear to be pieces of highly metamorphosed rock. As they are banded rather than showing a foliated/cleaved texture, I would say that they are more likely to be accurately described as gneiss rather than schist. This is consistent with the geology of the Grandfather Mountain area, which lies in a thrusted terrane at the heart of the Palaeozoic Appalachian foldbelt.

Lots of buzzwords there! The Parks Service document at this link is great source of information on the geology of this part of the world (you'll need to remove the brackets to make the link). It is generally couched in "laymans language". If you want to know more, the Parks Service often has a good deal of geological information at their lodges...

https://www.nature.nps.gov/geology/education/osu/BLRI_1999_GIP_Lillie.pdf
(link normalized by FMF)

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SouthernAppalachian




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PostPosted: May 23, 2018 16:42    Post subject: Re: Please help identify  

thank you so much for the info and link. The collective knowledge of humanity is at our fingertips, but sometimes it helps to have someone point you in the right direction. I might even bring it with me next time I'm at Linville Falls, and see if the park rangers can help.
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Kevin Schofield




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PostPosted: May 23, 2018 16:52    Post subject: Re: Please help identify  

SouthernAppalachian wrote:
thank you so much for the info and link. The collective knowledge of humanity is at our fingertips, but sometimes it helps to have someone point you in the right direction. I might even bring it with me next time I'm at Linville Falls, and see if the park rangers can help.


My pleasure. But be careful...once the geology bug bites, an addiction can develop and every road-cut, mountain scree and graveled driveway will draw you in :-)

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