英语词汇“pulaskite”的英英意思、用法、释义、翻译、读音、例句、短语、词组、英语词典-本地帮

单词

pulaskite

释义

pulaskite Petrogr.|pʊˈlæskaɪt|
[See quot. 1891 and -ite¹.]
An alkali syenite containing a small proportion of nepheline.
1891J. F. Williams in Ann. Rep. Arkansas Geol. Survey 1890 II. iv. 56 Such a rock has not as yet been described and the writer suggests the name pulaskite—that of Pulaski county in which the city of Little Rock and Fourche Mountain are located—as a designation for this type of rock.1962W. T. Huang Petrology iv. 129 In alkalic syenites the quartz-bearing type is nordmarkite..or simply quartz syenite... With a slight deficiency of silica, a little nepheline and sodalite may be present, leading to the formation of pulaskite... Other colored minerals found in pulaskite include aegirite-augite, barkevikite, or arfvedsonite.

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