the caldera‚ a large volcanic crater‚ are so big‚ in the case of Yellowstone it is over 40 miles across‚ so people do not recognize it as a volcano. Super volcanos occur when magma in the mantle rises into the crust from a hotspot but is unable to break through the crust‚ due to this pressure builds in a large and growing magma pool until the crust is unable to contain the pressure‚ this is what will and is happening at the Yellowstone caldera. These can also be formed at convergent plate boundaries
Premium United States Volcano
the proximity of magma. Surface water works its way down to an average depth of around 2‚000 metres where it contacts hot rocks. The resultant boiling of the pressurized water results in the geyser effect of hot water and steam spraying out of the geyser’s surface vent or cone geyser. The formation of geysers specifically requires the combination of three geologic conditions that are usually found in volcanic areas. Intense heat. The heat needed for geyser formation comes from magma that needs to be
Premium Water Volcano
Geology Research Project Page 1 Where did that Diamond come from? Geology Research Project Rough Draft December 4‚ 2013 Geology Geology Research Project – Rough Draft Page 2 Where did that Diamond come from? Diamonds are seen everywhere in stores and they are displayed in necklaces‚ earrings‚ pins and rings. They sparkle brilliantly in the right light. More than likely‚ most people don’t know how that diamond made it to the
Premium Diamond Earth Carbon
Geology 101 Universal Knowledge Zoology Political Science Astronomy History Biology Geology Geography | Examples of Time & Geology * Sphinx Precambrian Era: (4.5 billion) * Ended 542 million years ago * Started with no life and evolved bacteria & algae Paleozoic Era: (542 – 251 MYBP) * Fish‚ amphibians‚ etc. were early years * Ended with the Greatest Extinction of all time Mesozoic Era: (251 – 65 MYBP * Dinosaurs ruled and small animals developed
Premium Plate tectonics
volcano A volcano is an opening‚ or rupture‚ in the surface or crust of the Earth or a planetary mass object‚ which allows hot lava‚ volcanic ash and gases to escape from the magma chamberbelow the surface. On Earth‚ volcanoes are generally found where tectonic plates are diverging or converging. Amid-oceanic ridge‚ for example the Mid-Atlantic Ridge‚ has examples of volcanoes caused by divergent tectonic plates pulling apart; the Pacific Ring of Fire has examples of volcanoes caused by convergent
Premium Volcano Plate tectonics Earth
creating boundaries at which the plates converge‚ diverge or move past each other. These plates are either continental or oceanic and are powered by convection currents‚ which is the circular movement of magma that comes from within the mantle. These currents are powered by the core‚ which heats the magma‚ causing it to rise‚ cool and fall back down. This circular motion causes the plates‚ which float on the mantle‚ to move. In 1912‚ Alfred Wegener‚ was the first man to state that the continents were
Premium Plate tectonics
earthquake ripped a massive crater into the side of Mount St Helens‚ changing the face of the mountain for ever. On April 3rd‚ in just a few moments‚ a massive 100m high bulge appeared on the north side of the volcano. This huge bulge was cause by magma suddenly rushing near to the surface of the volcano. The budge was under enormous pressure‚ and a national state emergency was declared in Washington state‚ as scientists finally realised that there was a risk of an eruption. On the same day‚ some
Premium Volcano
to see many of the interrelationships among different parts of the earth system. There are 3 types of rock that igneous‚ sedimentary‚ and metamorphic. * Igneous rocks form when a molten rock‚ which is start from the bottom‚ it called magma‚ when magma cools and solidifies. This process is crystallization. * Sedimentary rocks that when the igneous rock are exposed at the surface‚ they will undergo weathering. The materials that move to downslope by gravity before picked up and transport
Premium Igneous rock Rock Sedimentary rock
fault slides past each other. "Large scale earthquakes don’t occur on the sea faults‚" explains Patricia Gregg‚ graduate student from M.I.T. and Woods Hole Oceanographic Institution Joint Program in Oceanography in Woods Hole‚ Mass. Molten rock -- or magma -- from under-sea volcanoes lubricates the fault‚ reducing the amount of friction that could cause another earthquake. By analyzing data collected by sea vessels‚ they discovered volcanic activity may be weakening fault lines. The hot rock could be
Premium Plate tectonics Earthquake
sliding of plates b) radioactivity c) gravitational compression 2) Pressure a) burial (lithostatic) b) directed pressure due to tectonism 3) Chemically Active Fluids a) Water - circulates in response to heat generated by cooling magmas. Exchanges ions between the solution and the rock through which it is traveling. Types of Metamorphism Dynamic metamorphism - Metamorphism along faults zones in response to pressure. Involves a brittle deformation of the rock during which it is
Premium Metamorphic rock Igneous rock Sedimentary rock