My point of interest are especially sedimentary and stratoidal type deposits.
What type of copper ores? What is %age of Copper? Many other pararmeters to be known.
Dear Bartosz Mikoda,
From my analysis experiences, around 20-50% total REE had produced compared to Cu in dissolved phase while the ratio REE:Cu in particulate was about 10 :
First check the physical parameters, density is first to start . REE have highest density. So it will give u a good idea.
By sedimentary or stratoidal ores I mean orebodies like Kupferschiefer formation, which consists of black shale, dolomite and sandstone as gangue, and copper minerals such as bornite, covelline, chalcopyrite. Cu %age is avg. 2 - 2,5%.
Dear Bartosz Mikoda
Actually i did not doing in geology or petrology analysis much. However my idea, if the outcrop or mineral contains much of carbonate and iron through the dolomite and pyrite samples those might be contributing much REE. i.e the Ce concentrations and Cu concentrations quite same around 50-70ppm. Thus conditions postulate the %age of REE higher from what your expectation. And you are encouraged to find this book "Jezowska-Trzebiatowska, B., Kopacs, S. and Mikulski, T., 1990 The Rare elements occurrence and technology Polish Scientific Publishers Warszawa.Poland"
Regard's
Zolhizir bin Daud
Dear Mr. Mikoda,
the question is hard to answer because the REE enter the ore through the gangue minerals. If you deal with a sandstone-hosted copper ore with lots of heavies such as zircon, monazite or even xenotime your balance sheet in terms of REE is totally different from a Cu ore exploietd from an argillaceous ore type or limestone-hosted type. As long as you only deal with the chemical part of the story as a stand-alone issue, you will not get reasonable results. Again and again I reiterate my sequence of work: (1) geology (2) mineralogy (3) chemistry. It makes no sense to do it the other way round. Show me the gangue and ore type and you come closer to the solution.
Best regards
H.G.Dill
Bastnaesite is a significant component of some, such as Olympic Dam in South Australia, but is not recovered.
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