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.
Hiking Summer Outdoor Activities. Albertaâs infinite variety of landscapes can satisfy any hikerâs wanderlust. Thousands of kilometres of trails beckon for all abilities, from short easy rambles to classic hikes and multi-day treks. Epic scenery awaits in our protected parks and wildlands. Try heli-hiking in our Canadian Rockies backcountry and discover secluded alpine lakes and mountain meadows where wildflowers and wildlife abounds.