Questions tagged [ore]
The ore tag has no usage guidance.
16
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Does oxygen propagate towards stronger magnetic fields on Earth?
I noticed Earth has variations in gravity similar to focal points for magnetic fields, both macro and micro in size, caused by magnetic material deposits. With oxygen being attracted to magnets, I ...
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Non-magnetic metal extracted from magnetite ore
During an attempt to extract iron from iron ore (magnetite), we were mostly unsuccessful. Some small grains of metallic-looking material was however present in the mixture following our attempt (see ...
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Why is there gold in the earth's crust?
I would naively assume that when the earth was formed and still molten, all the heavy stuff such as gold would have sunk to the centre, so almost nothing would remain in the earth's crust where humans ...
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"Bohnerze" pisolitic ore in Switzerland
I am going hunting for iron ore in Switzerland and the plan is to visit some old abandoned mines in the Jura mountains. I am not quite sure exactly what I am looking for though, in the past I have ...
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Why were Fe-oxides not usually used for finding skarn Fe ore deposits in geochemical exploration?
I found that Fe-oxides were usually not used for vectoring Fe mineral deposits of skarn type in geochemical exploration. As an indicator element, the common practice told us Fe-oxides should be the ...
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Ore prospecting and the low-hanging fruit effect
I'm trying to acquire an understanding of how the difficulty of prospecting for useful ore has increased over historical timescales.
Intuitively, I would expect that centuries or millennia ago, you ...
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Are metals and other elements in every continent?
I originally thought that you can only find certain things like iron, copper, and other things in certain places in the world and deep in mines but I saw in a few YouTube videos that you can find iron ...
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What are the favourable conditions for the formation of porphyry copper deposits?
Favourable condition for the formation of porphyry copper deposits is :
1. Extremely low oxygen fugacity in initial magma
2. High water content in initial magma
3. Crystallization of magama at deep ...
- 101
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What ore minerals are likely to be found in a thin section like this? What can we deduce from the structure?
The following image is of polished sample of mineral-rich rock. There are two major portions we can see that is ore minerals and rest the grayish material is gangue. The photo was taken with an ore ...
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Why are metals so separated in the Earths crust? [duplicate]
I find it very surprising that metal ore deposits are so separate, and unevenly separated on the Earth.
I do understand that there were various different conditions at some point in time in the ...
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Can living where (rare) earth magnetic ore is abundant provide any protection from cosmic radiation?
Can living in a region that is rich in (rare) earth metal that has an inherently strong magnetic field provide any protection from cosmic radiation? Where are the strongest magnetic field other than ...
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how can a complete novice find ore?
I live near Sydney, Australia and I really like the idea of sourcing my own ore from the wilderness. I want to give my kids a really hands on education into how primitive industries actually kicked ...
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What is cluster situation with respect to sand mining?
Guideline on handling cluster issues : The original Environmental Impact Assessment ( EIA ) notification does not provide for the procedure to handle cluster situation, which has been proposed in ...
- 121
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Where on Earth is the highest none polar magnetic fields?
Is there anywhere that magnetic ore deposits are strong enough to have a magnetic field that would be stronger then
Earths' magnetic poles by proximity?
I'm not asking Where on Earth is the ...
- 1
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Is this platinum ore? [closed]
Was found in central Mexico. It's very metallic, shiny, showing some streaks of gold and quartz.
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How do geologists find ore deposits?
From my research, there is lots of information on how to extract ore, but I can't find any information on how these ore deposits are found in the first place, apart from 'looking for surface ...
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