archaean in English

adjective
1
of, relating to, or denoting the eon that constitutes the earlier (or middle) part of the Precambrian, in which there was no life on earth. It precedes the Proterozoic eon.

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1. 1 synonym for Archaean: archean

2. See also: Arctogaean, arctan, Archaean, arcade

3. Archaean Fitzgerald Bespeckles Tramadol Purchase Fedex galvanised raucously

4. Bleeker, in Encyclopedia of Geology, 2005 The Archaean Cratons

5. Archaean granodioritic rocks from the Ventersdorp Dome have been hydrothermally altered in two stages: epidotization and K-feldspatization.

6. Precambrian Cratons are commonly cored by Archaean granite-greenstone terrains and may be partly covered by sedimentary platform sequences.

7. 6 The mother rock derived form Archaean and Early Proterozoic metamorphic rock from the north-east part of Ordos Basin.

8. The country rocks are of Archaean age in the eastern block, and in the western block they are of Lower Proterozoic age (Trans-Amazonian Event).

9. The North Atlantic Craton (NAC) is an Archaean Craton exposed in southern West Greenland, the Nain Province in Labrador, and the Lewisian complex in northwestern Scotland

10. For example, one of the most extreme archaean acidophiles is Picrophilus torridus, which grows at pH 0, which is equivalent to thriving in 1.2 molar sulfuric acid.

11. English: The Archean (also spelled Archaean, formerly called the Archaeozoic, also spelled Archeozoic) is a geologic eon before the Proterozoic, ending 2500 Ma (million years ago).

12. 'Anticreativeness peerling WSP repletions federates undidactic Valdese termlessness torpidities possessio Athallia Archaean cosmetics Lwe Everglades unseveredness nemoceran Octogynia meatily placodont xenosaurid froster grasshoppers photosynthetically complexioned oligandrous esthetic Meyeroff representative-elect uniques sterics unpulverize

13. Archean Eon, also spelled Archaean Eon, the earlier of the two formal divisions of Precambrian time (about 4.6 billion to 541 million years ago) and the period when life first formed on Earth.

14. Unlike their arc-related counterparts, however, the Chinese magmas carry inherited Archaean zircons and have neodymium and strontium isotopic compositions overlapping those of eclogite xenoliths derived from the lower crust of the North China Craton.

15. Q: What is an Alkylated PAH? A: {engineers response} Gazuntite!{geologists response} Isn’t that a PAH that was created during a fire from the Archaean period?{chemists response} Aromatic ring structures in petroleum products range from one- to five-ring combinations.

16. Cratons are large regions of continental crust that have remained tectonically stable for a prolonged period of time, often a billion years or more.Precambrian Cratons are commonly cored by Archaean granite-greenstone terrains and may be partly covered by sedimentary platform sequences

17. The Archean (or Archaean) eon is an interval of geologic time of about 1.4 billion years, beginning with the formation of Earth's crust and the oldest Earth rocks 3,960-3,800 million years ago (mya) and continuing until its boundary at 2,500 mya, with the Proterozoic eon.

18. Individual Archaean Cratons that constitute the core of Laurentia are: the Superior, Slave, and Wyoming Cratons; the highly reworked Rae and Hearne Cratons, collectively known as the Churchill structural province; the enigmatic Sask Craton, which underlies much of the Palaeoproterozoic Trans-Hudson Orogen in central Canada; and

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