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Blog In Travel Addicts

Who knows what it is (a question to geologists)

blog:16185:2::0
By Joseph Boltrukiewicz
Posted Apr 16, 2012 in Environment
Who knows what it is? It's a question to those who can identify geological specimen of tiny grains of dark red/burgundy colour with grains of size approximately 0.4-0.8mm (very roughly) that look exactly like on a series of shots that I have taken today while wandering the bank of one river in BC. These grains look transparent and a bit darker than the colour of amethyst. They were clearly visible while mixed with regular sand grains mainly deposited on the curve of the river.
Pretty much separated from sand  dark red crystals  the nature of which I am looking for.
Pretty much separated from sand, dark red crystals, the nature of which I am looking for.
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When mixed with sand, they look sometimes like a gradual deposit of its own area (look at the pictures and you'll know what I mean). These crystals were pretty much shining in the sun and what stroke me also was that they were also deposited in running water of the river, also close to its bank, although I didn't check if the same deposits could be found in the middle of the river.
The area of deposition - dark red crystals found on the bank of a river in BC.
The area of deposition - dark red crystals found on the bank of a river in BC.
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Because they were pretty strange and quite revealing to me (never saw anything like this before) I am now looking for clues of what it may have been and who can help me identify these tiny grains of dark red/burgundy crystals. I know the exact location of these nice but still strange looking crystals.
The average size of the area of deposition of red/burgundy crystals compared with the size of my wat...
The average size of the area of deposition of red/burgundy crystals compared with the size of my watch.
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Untitled
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This is my working term of  gradual deposit : concentrated red crystals in the left side of the pict...
This is my working term of "gradual deposit": concentrated red crystals in the left side of the picture comparing with the right one where the concentration of red crystals is smaller.
image:111876:1::0

blog:16185:2::0
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