jueves, 5 de marzo de 2009

Gif Letras, Numeros y Simbolos en Rombos

Obsidian: Dark volcanic glass of felsic composition.

http://www.es.ucl.ac.uk/schools/Glossary/obsidian.jpg

Octahedral coordination: The packing of six ions around an ion of opposite charge to form an octahedron.

http://folk.ntnu.no/krill/mineralogee/11-filer/naclstruct.gif

Oil field: An underground accumulation of oil and gas concentrated beneath an impermeable trap, preventing its escape upward.

http://www.theflyinggoose.com/blog1/wp-content/uploads/2008/11/oil-field-tmr.jpg

Oil shale: A dark-colored shale containing organic material that can be crushed and heated to liberate gaseous hydrocarbons.

http://geology.fullerton.edu/whenderson/F2007201/greenriver/images/geooil.jpg

Oolite: A sedimentary carbonate particle composed of spherical grains precipitated from warm ocean water on carbonate platforms. Also a rock composed of such particles.

http://www.beachfamily.net/Martin/oolite.jpg

Opaque mineral: A mineral which transmits no light through a thin section under a microscope. Usually a native metal, sulfide, or metallic oxide mineral.

http://z.about.com/d/chemistry/1/0/R/c/turquoise.jpg

Ophiolite suite: An assemblage of mafic and ultra-mafic igneous rocks with deep-sea sediments supposedly associated with divergence zones and the sea-floor environment.

http://upload.wikimedia.org/wikipedia/commons/6/6a/Ophiolite_suite_scheme.jpg

Orbit: The elliptical or hyperbolic path traced by a planet or meteorite or satellite in the presence of a more massive body.

http://www.astro.uni.wroc.pl/vt-2004/mt-2003/mt-mercury-orbit.jpg

Ore: A natural deposit in which a valuable metallic element occurs in high enough concentration to make mining economically feasible.

Ore mineral: The mineral of an ore that contains the useful element.

http://www.seshat.ch/home/ore.JPG


Orogenic belt: A linear region, often a former geo-syncline, that has been subjected to folding, and other deformation in a mountain-building episode.

http://www.uwsp.edu/geo/projects/geoweb/participants/Dutch/graphic0/platetec/strzone.gif

Orogeny: The tectonic process in which large areas are folded, thrust-faulted, metamorphosed, and subjected to plutonism. The cycle ends with uplift and the formation of mountains.

http://www.nvcc.edu/home/cbentley/shenandoah/app_orogeny.jpg.


Outgassing: The release of juvenile gases to the atmosphere and oceans by volcanism.

http://www.drbateman.net/gcse2003/gcsesums/chemsums/earth/VolcanoOutgassing.jpg

Outwash: A glaciofluvial sediment that is deposited by meltwater streams emanating from a glacier. Overturned fold: A fold in which a limb has tilted past vertical so that the older strata are uppermost. Oxbow lake: A long, broad, crescent-shaped lake formed when a stream abandons a meander and takes a new course.

outwash plain

Oxidation: A chemical reaction in which electrons are lost from an atom and its charge becomes more positive.

http://members.chello.nl/r.kuijt/images/en_oxidation_reduction.jpg

Oxidized element: An element occurring in the more positively charged of two common ionic forms.

http://www.globalchange.umich.edu/gctext/Inquiries/Inquiries_by_Unit/Unit_10_files/image013.gif

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