Traditional metal working in Mexico more. Important metal working centers include Taxco for silver, Santa Clara del Cobre for copper, Celaya for tin and Zacatecas for wrought iron. Metal working in Mesoamerica, especially of silver, gold and copper was advanced by the time the Spanish arrived, mostly concentrated in the modern states of Michoacán, Oaxaca and Guerrero. The mining and working of metals probably came to Mesoamerican cultures from the south. Metal working was principally in gold, silver, tin and lead, with some copper work known in what is now Michoacán. Gold was generally obtained in powder or pellet form in rivers and streams from
Metal Storm (webzine) submit information that is missing. Before being published, community edits are moderated by members of the staff. Heavy metal is divided into three broad sub-categories on Metal Storm. Bands that fall in between two sub-categories are usually allocated based on what elements are historically more prominent in their music though there is no strict enforcement of any rules. This sub-category includes the heavy metal genres such as heavy metal, power metal, progressive metal, glam metal, doom metal, gothic metal, folk metal, speed metal and symphonic metal. This sub-category includes the heavy metal genres such as black metal, death metal, grindcore,