The extraction process to remove the lead from the sulfur is very simple, thus lead has been extracted from Galena since the earliest times.Galena from certain regions is rich in silver, and some specimens may contain as much as 20 percent silver. Because of this, silver-rich Galena is also an ore of silver.
Being exposed to sunshine will also increase your levels of vitamin D. Hiking is a cardiovascular activity, depending on how hard you push yourself during a hike, and thus has benefits for your cardiovascular system, such as reducing the chances of heart disease, and increasing your overall fitness.
Read More. There are endless trails to discover and we, at Merrell want to make sure you have the proper gear for each and every adventure, starting with your boots. With over 30 years of hiking innovation and passion for the outdoors, let our experts fit you with proper shoes, boots and clothing for the trail.