How To Use archaean In A Sentence
- Each pool has slightly different mineral content, temperature, salinity, etc., so different pools may contain different communities of archaeans and other microbes.
- Archaean and Proterozoic basement terranes are commonly dissected by swarms of Precambrian mafic dykes.
- However, this mode of emplacement is contradictory to well-established ideas for Archaean granites in the Zimbabwe craton.
- The conditions at Champagne Pool are ideal for thermophilic, mildly acidophilic archaeans such as the Sulfobales and Thermoproteales.
- Now, according to recent experiments made by Mr.H. Nagaoka on the elastic constants of rocks, [88] the mean velocity of seven archaean rocks is 5.1 kms. per sec. for the longitudinal waves, and 2.8 kms. per sec. for the transversal waves -- values which agree so closely with those obtained for the first two series of earthquake-waves as to leave little doubt with regard to their character. A Study of Recent Earthquakes
- Evidence for life has bee found in the Archaean about 3.8 billion years ago, but life did not become abundant until the Phanerozoic.
- In fact, there are fossil microbes known from throughout the Precambrian, but here a second problem surfaces - how do you distinguish fossil archaeans from fossil bacteria?
- Clark turned to his office, still contemplating the dignity of his visitor, the stark simplicity of this archaean aristocrat. The Rapids
- The contacts between the complex and the Archaean metamorphic rocks are intrusive.
- Originally an archaean sea-bottom rock this stone lay submerged in the ocean until during the Jurassic Period, under the lateral pressure of a cooling earthcrust the table-lands and mountain-chains of Arizona rose from the seas. Tales of Aztlan; the Romance of a Hero of our Late Spanish-American War, Incidents of Interest from the Life of a western Pioneer and Other Tales
