Many metals are concentrated after mining and the resultant concentrate is often sold to an appropriate smelter. Most concentrates comprise various sulphides, some of which carry the metal of value. Metals that are commonly sold as concentrates, often with several metals in a single concentrate, include copper, molybdenum, zinc, lead,…
Potash is a source of potassium, one of three three primary plant nutrients, the others being phosphorus and fixed nitrogen. Potash is an umbrella term for various soluble salts of potassium. The main salts are potassium chloride (KCl, also known as muriate of potash – MOP), potassium-magnesium sulphate (K2SO4.MgSO4, also…
In 2019 Blackrock Inc was criticised for the environmental impact of its holdings in oil and gas and coal. Blackrock is the world’s largest fund manager with UDS7 trillion under management. Last week it announced that it would be divesting all thermal coal stocks where coal was more than 25%…
It is common practice in the resource space, particularly in investor presentations, to show the presenting company in a table comparing it with what they say are “peers”. Of course, the conclusion is always that the presenting company is substantially undervalued. The inference is that it is therefore a better…
What is it Equivalent grade is the term used where mineralisation that is comprised of several metals of economic value is converted to a single metal. Typically, the minor metals are converted by formula and added to the grade of the major metal. The formula can vary but is often…
About Grade Many investors see grade as being an important factor when looking for an investment in the copper sector. While grade may be important for small complex deposits, it is emphatically not the most important factor with porphyry deposits. Porphyry deposits have several characteristics that make them attractive investments…