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.
Outdoor hiking has a myriad of benefits for both the body and the mind. Hiking is inexpensive and easy to start, so you can participate no matter how fit you currently are. Most people live within driving distance of wonderful hiking spots and discovering these places is a good way of getting to know an area. Here's a look at some of the benefits of hiking. Outdoor Hiking Promotes Mental Health. Hiking is much more varied than many other types of exercise, particularly those undertaken in a gym.
One of the most important decisions that hikers need to consider is footwear. Hiking is, obviously, an activity that can put a great deal or wear or strain on the feet. This can affect not only the feet, but also how the entire body feels, and can make the difference between an enjoyable hike and a miserable one. For most hikers, footwear choices boil down to two options. These options are walking shoes and hiking boots.