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1. • 66 million to 2.6 million years ago

     • Tertiary (/ ˈtɜːr.ʃə.ri, ˈtɜːr.ʃiˌɛr.i / TUR-shə-ree, TUR-shee-err-ee) is an obsolete term for the geologic period from 66 million to 2.6 million years ago.
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     Tertiary - Wikipedia

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   Where does the word tertiary come from?

   • Borrowed from the Latin tertiārius (“of the third part or rank ”), from tertius (“third”) (from Proto-Indo-European *tr̥tyós, whence English third) + -ārius (whence the English suffix -ary ); compare the French tertiaire . tertiary (not comparable) Of third rank or order; subsequent .

   tertiary - Wiktionary, the free dictionary

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   What is a Tertiary period?

   • The time span covered by the Tertiary has no exact equivalent in the current geologic time system, but it is essentially the merged Paleogene and Neogene periods, which are informally called the Early Tertiary and the Late Tertiary, respectively. The term Tertiary was first used by Giovanni Arduino during the mid-18th century.

   Tertiary - Wikipedia

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   When was the Tertiary era?

   • For much of the time during which the term 'Tertiary' was in formal use, it referred to the span of time between 65 and 1.8 million years ago. The end date of the Cretaceous and the start date of the Quaternary were subsequently redefined at c. 66 and 2.6 million years ago respectively.

   Tertiary - Wikipedia

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   What is a Tertiary school system?

   • Generally, district councils with such colleges have adopted a tertiary system or structure where a single local institution provides all the 16–19 and adult education, and where schools do not universally offer sixth forms (i.e. schools only serve ages 11–16).

   Tertiary education - Wikipedia

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3. en.wikipedia.org › wiki › TertiaryTertiary - Wikipedia

   en.wikipedia.org › wiki › Tertiary

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   Tertiary (/ ˈ t ɜːr. ʃ ə. r i, ˈ t ɜː r. ʃ i ˌ ɛr. i / TUR-shə-ree, TUR-shee-err-ee) is an obsolete term for the geologic period from 66 million to 2.6 million years ago. The period began with the demise of the non- avian dinosaurs in the Cretaceous–Paleogene extinction event , at the start of the Cenozoic Era , and extended to ...

   • Tertiary (Disambiguation)

     The Tertiary is a geologic period.. Tertiary (from Latin,...

   • Tertiary education

     Tertiary education, also referred to as third-level,...

   • Tertiary sector of the economy

     The tertiary sector of the economy, generally known as the...

4. en.wikipedia.org › wiki › Tertiary_sourceTertiary source - Wikipedia

   en.wikipedia.org › wiki › Tertiary_source

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   Wikipedia. Wikipedia is a tertiary source. Because Wikipedia is easily editable by anyone, it is generally not considered to be a reliable source for academic citation. Nevertheless, content on Wikipedia is generally accurate. Wikipedia often proves useful for finding primary and secondary sources. See also. Source text; Third-party source

5. www.merriam-webster.com › dictionary › tertiaryTertiary Definition & Meaning - Merriam-Webster

   www.merriam-webster.com › dictionary › tertiary

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   Learn the various meanings and uses of the word tertiary, from geology and chemistry to medicine and education. Find examples, etymology, and related phrases of tertiary.

6. en.wiktionary.org › wiki › tertiarytertiary - Wiktionary, the free dictionary

   en.wiktionary.org › wiki › tertiary

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   May 21, 2024 · Learn the meaning, pronunciation, and usage of the word tertiary in English. Find out its synonyms, related terms, translations, and examples from different fields and contexts.

7. simple.wikipedia.org › wiki › TertiaryTertiary - Simple English Wikipedia, the free encyclopedia

   simple.wikipedia.org › wiki › Tertiary

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   Tertiary. The Tertiary was an official geological period, but it is no longer used. It included the first part of the Cainozoic. This is now divided into the Palaeogene and the Neogene . The previous use of the term "Tertiary" explains why the last period of the Cainozoic is called the Quarternary. There was a big debate about that.