Essays Tagged: "molten rock"
Volcanos: types, formation, elements, activity in different parts of the worl
ivity in different parts of the world.What is a volcano?A volcano is a vent in the earth from which molten rock and gas erupt. The moltenrock that erupts from the volcano forms a hill or mountain arou ...
Subjects: Science Essays > Earth Sciences > Geography
Volcanoes and People: There is another submitted essay that was posted by me that had not been correctly pasted. Here is the full essay. It discusses Volcanoes, the effect on people and vica verca.
Volcanoes and PeopleWhen people think of volcanoes, visions of blazing eruptions spewing molten lava thousands of feet into the air, causing injury, death, and massive destruction, usually ... , ashes, smoke, etc., are discharged. More specifically a volcano is a vent in the Earth from which molten rock (magma) and gas erupt. The molten rock that erupts from the volcano forms a hill or moun ...
Subjects: Science Essays > Earth Sciences > Geography
Question: What are the 3 main kinds of rocks?
a fine-grained groundmass. It is a result of a 2-stage cooling history. Deep below the surface, the molten rock can start to crystallize slowly so that some nice well-formed crystals grow. Then the mo ...
Subjects: Science Essays > Earth Sciences > Geology & Geosciences
The Physical Make-up of Volcanoes.
no is most commonly a conical hill or mountain built around a vent that connects with reservoirs of molten rock below the surface of the Earth. The term volcano also refers to the opening or vent thro ... low the surface of the Earth. The term volcano also refers to the opening or vent through which the molten rock and associated gases are expelled.Driven by buoyancy and gas pressure the molten rock, w ...
Subjects: Science Essays > Earth Sciences > Geology & Geosciences
Basalt Floods. The theory behind such occurences and the effects and evidence of such floods on the earth.
Basalt FloodsMillions of years ago, lava flows poured molten rock over huge areas of theworld. These eruptions, known as basalt floods, hurled noxious gas ... d could burstfrom the Earth tomorrow undetected.Basalt floods smother whole regions of the Earth in molten rock. They arereleased when immense volumes of magma apply pressure to the Earth's rigid crus ... imply bubble through the highly fluid lava without blowing it apart. Eachfissure disgorges sheet of molten rock above ground that may smother up to14,000 square miles of the surface.Successive eruptio ...
Subjects: Science Essays > Earth Sciences
Lava flows
Lava flows are streams of molten rock that pour or ooze from an erupting vent. Lava is erupted during either nonexplosive acti ... of water or water enters a lava tube, the water may boil violently and cause an explosive shower of molten spatter over a wide area.Methane gas produced as lava buries vegetation, can migrate in subsu ...
Subjects: Science Essays > Earth Sciences > Geography
Plate Tectonics
so individual pieces called plates. Continents lie on top of the plates. These plates float on the molten rock or magma from the mantle and move slowly. The idea of moving plates is called the Theory ... re found throughout the oceans of the world, and there is evidence that they represent places where molten material from the mantle, is rising. As it surfaces, the molten rock heaps up and cools to fo ...
Subjects: Science Essays > Earth Sciences > Geology & Geosciences
Atmosphere
of the Earth. 4.6 billion years ago, Earth was nothing more than a steaming ball of molten rock, an inhospitable place until about 3 billion years ago when plants began to make their a ...
Subjects: Science Essays > Chemistry
Yellowstone National Park
pe was formed by volcanoes and glaciers through Millions of years. There is still a large amount of molten rock called magma witch furnishes the heat for the parks hot springs and geysers. Yellowstone ...
Subjects: Humanities Essays
Yellowstone National Park
pe was formed by volcanoes and glaciers through Millions of years. There is still a large amount of molten rock called magma witch furnishes the heat for the parks hot springs and geysers. Yellowstone ...
Subjects: Humanities Essays
The Geomorphology of the Moon Mountain Area We started off
orming under the Arabian plate. Asthenospheric hot spots are areas underneath the lithosphere where molten rock builds up and causes crustal doming, uplifts, faulting and volcanics.As shown in the dia ...
Subjects: Science Essays > Chemistry
The Weather
ld up side down with a shaking of the earth, blowing of the wind, twist of the air, or a spewing of molten rock and ash. But, weather can also be peaceful. When she wants to, mother nature can lavish ...
Subjects: Science Essays > Environmental Science