Magma and Lava

Magma is defined as molten or partially molten rock within or under the crust of the Earth. It consists of a mixture of molten rock, suspended crystals and gas. Some of the  gases found in magma are carbon monoxide, ammonia and carbon dioxide. When volcanoes erupt, magma is extruded onto the Earth’s surface as lava and igneous rocks (“fire formed”) are developed. In terms of modes of their appearance, igneous rocks can be intrusive (plutonic) or extrusive (volcanic). Intrusive or {Read More}

What is Geothermal Energy?

Geothermal energy is the energy harnessed from steam and hot water enclosed in the Earth’s crust. The word geothermal is a hybrid word that comes from “geo”, a Greek word meaning “Earth,” and “therme” meaning “heat.” The term geothermal energy denotes the combined thermal energy below the considerably cooler and thinner surface of the Earth, constituting about 260 billion cubic miles (1012 cubic kilometers) of rock at melting temperatures. Geothermal energy is generated from the formation of the planet, decay {Read More}