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. 1888― Brit. Petrography 5 It is necessary to remark that petrography is a branch of geology, and not merely a department of mineralogy. |