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单词 petrography
释义 petrography|pɪˈtrɒgrəfɪ|
(In 7 erron. petra-.)
[mod. f. Gr. πέτρα rock + -graphy.]
The scientific description of the composition and formation of rocks; descriptive petrology.
1651Biggs New Disp. 99 They who have written hitherto of this stone [Bezoar-stone],..have steer'd by the compasse or Lant-skip only of others petragraphy and description.1858Mayne Expos. Lex., Petrographia, term for a history or description of rocks: petrography.1885J. J. H. Teall in Nature XXXI. 444/2 Descriptive petrography..concerns itself with the chemical, mineralogical and physical characters of the individual rocks.1888Brit. Petrography 5 It is necessary to remark that petrography is a branch of geology, and not merely a department of mineralogy.
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