Some folks have an easier time than others applying that iconic Peter Lynch mantra: "Invest in what you know." After all, simply owning an iPhone -- or having a thing for wings -- may offer something of an advantage when concocting a valid investment thesis for Apple or Buffalo Wild Wings.

For investors drawn to the mining industry by this ongoing rise in metal prices, however, practical insight into the processes that underlie a typical miner's operating environment can be extremely hard to come by. For this reason, I find the following educational video presented by Endeavour Silver (NYSE: EXK) an invaluable resource for investors seeking to apply Lynch's wisdom to the world of precious metals mining.

Part 1 of this two-part series offers a concise explanation of how silver-rich ore veins are formed, a peek at how geologists target and explore for those veins, and a fascinating window into the assay procedures used to determine the concentrations of gold and silver contained within a resulting drill core sample.

Fool contributor Christopher Barker is the self-appointed sultan of silver, and the gentle giant of gold. He can be found blogging actively and acting Foolishly within the CAPS community under the username TMFSinchiruna. He tweets. He owns shares of Alexco Resource, Endeavour Silver, Great Panther Silver, and Silver Wheaton. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a highly reflective disclosure policy.