Geology

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Mineral Collecting in Maine. Geologist: Educational Requirements for Entering the Field of Geology. A branch of geosciences, geology is the study of the materials that compose the Earth's crust.

Geologist: Educational Requirements for Entering the Field of Geology

Geologists analyze rocks, formations and other structures in order to understand how the Earth has changed and evolved over time. Continue reading to learn about the educational requirements for entering this field. Education and Degree Options Some geologists working for private industries may only be required to have a bachelor's degree. Specialized positions, such as consulting for companies in the oil industry or professorships in the geosciences, generally require a master's or doctoral degree. Bachelor's Degree Program in Geology Students preparing for a career as a geologist may enroll in a bachelor's degree program in geology, earth sciences or a related scientific field. Graduate Programs in Geology Graduate programs cover concepts in plate tectonics, petrogenesis and other advanced geological topics.

Geology Career Information. James Cameron Explores the Mariana Trench. Actualidad Volcánica de Canarias - Animacion. How Diamond-Studded Magma Rises From Earth's Depths. Richard A.

How Diamond-Studded Magma Rises From Earth's Depths

Lovett According to a new study, diamonds can be carried up through the lithosphere—the crust and uppermost layer of the mantle—by dense magmas rich in carbonate. "These melts are really quite special, because they can hold a huge amount of dissolved carbon dioxide, up to 40 to 45 percent by weight," said study leader James "Kelly" Russell , a petrologist from the University of British Columbia in Vancouver. (Related: "Weird Form of Carbon Acts as 'Reversible' Diamond—A First. " ) Previous models had suggested that gases in the magma would increase its buoyancy, helping to push the diamond-laden melt closer to the surface without destroying the precious gems.

The new lab experiments now show how molten carbonate reacts with other chemicals in Earth's lithosphere to release the gas, offering a likely mechanism for speeding up the dense magma. Instituto Geográfico Nacional. Introduction to Plate Tectonics and Earthquakes - Instructional Aids. Teachers on the Leading Edge is a professional development program for Pacific Northwest teachers of Earth Science.

Introduction to Plate Tectonics and Earthquakes - Instructional Aids

This program features plate tectonics and geologic hazards of the Pacific Northwest. Through funding from the National Science Foundation, Teachers on the Leading Edge has provided teacher workshops each summer from 2008 through 2010. This website offers K-12 teachers an introduction to the active continental margin geology of the Pacific Northwest. Teaching resources provided include animations, video lectures, slide shows, virtual field experiences, and lesson plans that feature plate tectonics and geologic hazards of the Pacific Northwest.

Although intended for middle school teachers of Earth Science, most resources can be adapted for use in many K-12 grade levels. 1720 feet-tall - Lituya Bay, Alaska. (As reported by Don J. Miller in United States Geological Survey Professional Paper 354-C, Giant Waves in Lituya Bay, Alaska, 1960) Account of Howard G. Geology. Activité volcanique - Actualité volcanique. Japan's quake updated to magnitude 9.0. Read more: "Special report: After Japan's megaquake" 0930 GMT, 12 March 2011 Sumit Paul-Choudhury, editor, newscientist.com There has been a massive explosion at the Fukushima-Daiichi nuclear power plant, raising fears of a radioactive meltdown.

Japan's quake updated to magnitude 9.0

Several workers are believed to have been injured in the blast, which seems to have caused major structural damage to the plant. Géomatique. Geology.maps. Lava Cooling Underwater on Devour. Most incredible volcano footage ever. Tendencias 21. La radioprotection du mineralogiste. 1040/large/ Dynamic Earth . Intro. WR: abril 2009. Tauro: Esmeralda.

WR: abril 2009

Es la piedra de la tranquilidad y cambiará de color según tu estado de ánimo. Tradicionalmente se la ha relacionado con el amor.Los romanos la consideraron fortalecedora de la visión y predictora del futuro. También los mongoles la utilizaban como talismán y, entre las virtudes más generalizadas a través de los tiempos, se les ha atribuido el poder de dotar de elocuencia, memoria e inteligencia. Géminis: Ágata. Los persas, los árabes y otros pueblos de Oriente utilizaban el ágata, principalmente como sortijas de sellos, sobre las cuales estaba grabado un versículo del Corán, el nombre de su propietario o algún símbolo o fórmula mágica que protegía a su portador de una gran cantidad de males. NOAA Learning Objects. Seismic Monitor.

Longitude Latitude New: Earthquake browser with 3D viewer!

Seismic Monitor

Nuevo: Navegador de Terremotos con Vista 3D! Y Boletines en español IEB is a new, interactive map that not only shows the latest earthquakes but allows you to display thousands of quakes from an archive of 3.4 million spanning from 1970 to minutes ago. The Rock Cycle . Introduction. Welcome to the USGS - U.S. Geological Survey. Geology.maps. Geologic Time: Age of the Earth. So far scientists have not found a way to determine the exact age of the Earth directly from Earth rocks because Earth's oldest rocks have been recycled and destroyed by the process of plate tectonics.

Geologic Time: Age of the Earth

If there are any of Earth's primordial rocks left in their original state, they have not yet been found. Nevertheless, scientists have been able to determine the probable age of the Solar System and to calculate an age for the Earth by assuming that the Earth and the rest of the solid bodies in the Solar System formed at the same time and are, therefore, of the same age. The ages of Earth and Moon rocks and of meteorites are measured by the decay of long-lived radioactive isotopes of elements that occur naturally in rocks and minerals and that decay with half lives of 700 million to more than 100 billion years to stable isotopes of other elements.