Topps has created some of the hobbyâs most iconic football cards, including almost all of those that would be on the list of the most valuable and popular ever issued. From 1956-63 Topps enjoyed a virtual football card monopoly (with the exception of 1961).
1 Volcanic mountains-Mountains that are caused by volcanic activity are called volcanic mountains. 2  There are two main types of volcanic mountains: volcanoes and dome mountains. 3  Volcanoes are formed when magma erupts all the way to the surface of the Earth. 4  The magma will harden on the Earth's surface, forming a mountain.
One other way mountains form is as the result of volcanic activity below Earthâs surface. Sometimes molten rock called magma gets pushed up toward the surface. When that happens, it cools and forms hard rock.Eventually, the softer rock above it erodes to reveal a dome-shaped mountain below.ne other way mountains form is as the result of volcanic activity below Earthâs surface. Sometimes molten rock called magma gets pushed up toward the surface. When that happens, it cools and forms hard rock.