Geochron

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• Geochron — Geochron, Inc. is an American company founded by James Kilburg, an inventor from Luxembourg. It is also the name of their flagship product, the Geochron Global Time Indicator. The Geochron was the first world clock to display day and night on a… …   Wikipedia

• Newark Academy — File:Newark Academy.png Ad Lumen (latin for toward enlightenment) Location 91 South Orange Avenue Livingston, New Jersey …   Wikipedia

• Lead-lead dating — is a method for dating geological samples, normally based on whole rock samples of material such as granite. For most dating requirements it has been superseded by uranium lead dating (U Pb dating), but in certain specialized situations (such as… …   Wikipedia

• Potassium-argon dating — or K Ar dating is a radiometric dating method used in geochronology and archeology. It is based on measuring the products of the radioactive decay of potassium (K), which is a common element found in materials such as micas, clay minerals, tephra …   Wikipedia

• World clock — A world clock, often called a Worldtime Clock , is a clock which displays the time for many (or all)places around the world. The display can take various forms: *The clock face can incorporate multiple round analogue clocks with moving hands or… …   Wikipedia

• Napier Mountains — Range Region Enderby Land, East Antarctica Highest p …   Wikipedia

• Fission track dating — is a radiometric dating technique based on analyses of the damage trails, or tracks, left by fission fragments in certain uranium bearing minerals and glasses. Uranium 238 undergoes spontaneous fission decay at a known rate. The fragments emitted …   Wikipedia

• Tephrochronology — is a geochronological technique that utilises discrete layers of tephra mdash;volcanic ash from a single eruption mdash;to create a chronological framework in which paleoenvironmental or archaeological records can be placed. Such an established… …   Wikipedia

• Carrizozo volcanic field — Infobox Mountain Name=Carrizozo Volcanic Field Photo= Caption= Elevation= convert|1565|to|1730|m|ft|0|abbr=oncite web | title = Carrizozo, New Mexico | work = VolcanoWorld | url = http://volcano.oregonstate.edu/vwdocs/volc images/north… …   Wikipedia

• Mount Elkins — Map of Antarctica indicating location of Mount Elkins Elevation 2,300 m (7,546 ft) …   Wikipedia

• Polémica sobre los hallazgos epigráficos de Iruña-Veleia en 2006 — Artículo principal: Iruña Veleia La polémica sobre los hallazgos epigráficos de Iruña Veleia en 2006 hace referencia a unos hallazgos epigráficos supuestamente extraídos en excavaciones regulares en el yacimiento arqueológico de Iruña Veleia… …   Wikipedia Español