Volcanic pipe Volcanic pipe Volcanic pipes are subterranean geological structures formed by the violent, supersonic eruption of deep-origin volcanoes. They are considered to be a type of "diatreme". Volcanic pipes are composed of a deep, narrow cone of solidified magma (described as "carrot-shaped"), and are usually largely composed of one of two characteristic rock types — kimberlite or lamproite. These rocks reflect the composition of the volcanoes' deep magma sources, where the Earth is rich in magnesium. Volcanic pipes are relatively rare. They are well known as the primary source of diamonds, and are mined for this purpose. Volcanic pipes form as
Gemstone Healer Gemstone Healer Gemstone Healer is a computer action adventure game created by Canadian developer Paradigm Creators and published in 1986 by Strategic Simulations. It was developed by Trouba Gossen (who was also responsible for the graphics), Peter Lount (design and programming); with assistance by Kevin Pickell (porting to C-64). It is a sequel to "Gemstone Warrior". "Gemstone Healer" is a 2D action adventure title with the player controlling an armored figure that they would move from area to area in search of treasure and the way to heal the Gemstone. It uses cellular automata to generate maps. The game takes