By lun neh 
If it can’t be cultivated, it must be mined. This claim may have been applied in a number of different contexts. It is employed by both individuals who have a positive outlook on mining firms and those who are worried about the impact of mineral depletion on the environment. Although they emphasise it in very different ways, both of these groups are accurate that mining is a big industry. The majority of current products have parts that were once buried in the ground. The two actual subcategories of mining equities are majors and juniors. The majors are well-capitalized companies with a lengthy history, international operations, and a slow but steady flow of money. Major mining firms and large oil corporations have many similarities, and many of the same standards still hold true with a mining twist. Mining corporations have proved and probable reserves, despite the fact that they report profit and expense on a given deposit by the tonne rather than the barrel. Finally, a mining major is easy to evaluate and easy to invest in. Almost exactly the opposite of the major mining corporations is true of the junior mining stocks. They frequently have little financial resources, recent backgrounds, and high profit expectations. A junior company is a business that is developing or attempting to develop a natural resource deposit or field.
Valuation of major and minor mining stocks:
The exploitation of all in-ground assets is the one factor that unites all mining firms, despite the fact that majors and juniors have quite different business models. The issue is that mining companies cannot accurately estimate the quantity of a deposit until it has been thoroughly dug. As a result, the value of a mining stock roughly reflects the market value of its reserves, with premiums being granted to companies with a lengthy history of successfully offsetting their deposits. To evaluate reserves, feasibility studies are employed. These assessments verify a deposit’s worth independently. The deposit’s anticipated size and grade are compared to the expenses and difficulties of fully extracting it in a feasibility analysis. If the deposit will fetch more money on the market than it will cost to extract it, it is feasible. Naturally, the opposite is also accurate. A viable deposit is routinely abandoned by a junior miner before it has been fully exploited. Instead, after selling the deposit (or themselves) to a larger miner, they split apart and search for another deposit. Junior mining stocks provide as a conduit for exploration in this way, feeding the major miners in the end. This idea claims that the majority of the main risks and rewards are present in junior mining. If you’re a prospective investor in the mining business, you might be thinking about buying junior mining stocks or big mining companies. It all depends on what you’re trying to find. Juniors have a lot to offer and might be highly valued in the right market. As a result, they are excellent for risky financial investments, but not the greatest location to deposit Social Security funds.