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Definition of Tholeiite
1. Noun. (geology) An igneous basaltic rock, formed from magma rich in magnesium and iron. ¹
¹ Source: wiktionary.com
Definition of Tholeiite
1. [n -S]
Lexicographical Neighbors of Tholeiite
Literary usage of Tholeiite
Below you will find example usage of this term as found in modern and/or classical literature:
1. The Geology of the Isle of Man by George William Lamplugh, William Whitehead Watts (1903)
"... round which is generally a zone of elongated plagioclases. Ba.salt (tholeiite),
probably Tertiary. [E. 2498.] 3 to 4 ft. porphyritic dyke : cliff at the ..."
2. Petrology for Students: An Introduction to the Study of Rocks Under the by Alfred Harker (1897)
"... who cites these dykes as examples of his ' tholeiite'; cf. Mass. Gest., PI.
iv, fig. 2. 2 Proc. Roy. Pliys. Soc. Edin. (1880) v, 244-252, PI. v, vi; ..."
3. The Nomenclature of Petrology: With References to Selected Literature by Arthur Holmes (1920)
"A. Holmes : Petrographic Methods and Calculations, 192o. tholeiite, Steininger,
184o.—A term applied to " porphyritic basalts characterised by the presence ..."
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