division of geological time

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• geological era — noun a major division of geological time; an era is usually divided into two or more periods • Syn: ↑era • Hypernyms: ↑geological time, ↑geologic time • Instance Hyponyms: ↑Cenozoic, ↑Cenozoic era, ↑ …   Useful english dictionary

• Time — This article is about the measurement. For the magazine, see Time (magazine). For other uses, see Time (disambiguation). The flow of sand in an hourglass can be used to keep track of elapsed time. It also concretely represents the present as… …   Wikipedia

• Geological history of Earth — impacting the Earth in a glancing blow. [cite journal | last = R. Canup and E. Asphaug | title = Origin of the Moon in a giant impact near the end of the Earth s formation | journal = Nature | volume = 412 | pages = 708–712 | date = 2001 | url =… …   Wikipedia

• Time value of money — The time value of money is the value of money figuring in a given amount of interest earned over a given amount of time. The time value of money is the central concept in finance theory. For example, $100 of today s money invested for one year… …   Wikipedia

• Portal:Time — 08:58, November 24, 2011 (UTC) (update) WELCOME TO THE TIME PORTAL Time …   Wikipedia

• California Geological Survey — Although it was not until 1880 that the California State Mining Bureau, predecessor to the California Geological Survey, was established, the roots of California s state geological survey date to an earlier time. As might be expected for a state… …   Wikipedia

• Utah Geological Survey — The Utah Geological Survey is based in Salt Lake City, Utah, USA. It also has an office in Cedar City, Utah.It is a division of the Utah Department of Natural Resources and is an applied scientific agency, which creates, interprets, and provides… …   Wikipedia

• Precambrian time — Interval of geologic time from с 3. 8 billion years ago, the age of the oldest known rocks, to 544 million years ago, the beginning of the Cambrian Period. This interval represents more than 80% of the geologic record and thus provides important… …   Universalium

• Orders of magnitude (time) — Contents 1 Seconds 2 See also 3 Years 4 See also 5 Footnotes …   Wikipedia

• Kumaon division — Kumaon (or Kumaun) is one of the two regions and administrative divisions of Uttarakhand, a mountainous state of northern India, the other being Garhwal. It includes the districts of Almora, Bageshwar, Champawat, Nainital, Pithoragarh, and Udham… …   Wikipedia

• period — ► NOUN 1) a length or portion of time. 2) a distinct portion of time with particular characteristics. 3) a major division of geological time, forming part of an era. 4) a lesson in a school. 5) (also menstrual period) a monthly flow of blood and… …   English terms dictionary