Helpp .. ROCK ID experts!!!

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im_gneiss

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Helpp .. ROCK ID experts!!!

https://www.dropbox.com/lightbox/home/field%20photos

 

Is this an andesite or just a conglomerate?? Thank you.. 

RonnieNine

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Hello im_gneiss!I'm afraid

Hello im_gneiss!

I'm afraid that the link you just shared works ONLY for you. That's not a public link. If everyone tries to access the link this is what are they seeing:

Capture You need to upload your photos to a site like:

http://postimg.org/

Or you will need to figure something out with Dropbox, like rightclicking the image you want to share and clicking on "Copy link address" or "Copy public address"

PS: Did you posted 5 threads? LOL  

im_gneiss

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ohh thanks for reminding
RonnieNine

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Ohh I see now, If you zoom

Ohh I see now, If you zoom in, the quality is bad, however, looks like conglomerate

I would rather say conglomerate or sandstone than mudstone. And because sandstone has waaay smaller grains, I say it's conglomerate.

Here is a photo of conglomerate what looks like your rock in the image you shared:

 

 

John

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I think it is safe to say

I think it is safe to say that it is not mudstone.  However I am not at all sure that it is a 'pure' conglomerate.  It looks like phenocrysts (maybe xenoliths) in the matrix.

I think it is metamorphic, and without getting 'up close and personal' it may well be a low grade metamorphosed sandstone - perhaps with included clasts which simply look like pheno/xenoliths.

John

“Civilisation exists by geological consent, subject to change without notice.” -  Will Durant


John

“Civilisation exists by geological consent, subject to change without notice.” -  Will Durant

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