| 释义 |
petroˈgraphical, a.
Also 7 erron. petra-.
[f. as next + -al1.]
Relating to, engaged in, or dealing with petrography; also = petrographic. petrographical province: see province 6 b.
1651Biggs New Disp. 100 In their petragraphicall character of the qualities of it [Bezoar-stone], they make many a voyage wide of the æquator. 1845Newbold in Jrnl. Asiat. Soc. Bengal XIV. 285 The petrographical characters of the Marhatta beds. 1880Nature XXI. 287/1 To prepare his petrographical description of the Caucasian region. 1895T. Dwight Rep. Yale Univ. 74 The rapidly increasing petrographical collections.
Hence petroˈgraphically adv., in relation to petrography.
1845Newbold in Jrnl. Asiat. Soc. Bengal XIV. 286 Petrographically speaking, the rock passes from a green chloritic schist. 1875tr. Schmidt's Desc. & Darw. v. 96 The deposit..may be divided into about 40 petrographically distinguishable layers. |