petrologyn.

Brit.

/pᵻˈtrɒlədʒi/, U.S.

/pəˈtrɑlədʒi/

Forms: see petro- comb. form¹ and -logy comb. form.

Origin: Formed within English, by compounding. Etymons: petro- comb. form¹, -logy comb. form.

Etymology: < petro- comb. form¹ + -logy comb. form. Compare earlier petrography n.

1. The branch of geology concerned with the origin, structure, and composition of rocks. Also (rare): a treatise on this subject. Cf. lithology n. 1, petrography n.

ΘΚΠ

the world > the earth > earth sciences > geology > [noun] > petrology or petrography

petrography1651

lithography1708

lithology1716

petrology1811

1811 J. Pinkerton (title) Petralogy. A treatise on rocks.

1823 J. Wilson Noctes Ambrosianæ vii, in Blackwood's Edinb. Mag. Mar. 374 With geology, And petrology, Sans apology, He, he alone is born to cram our age.

1867 Michigan Univ. Mag. 2 339 It [sc. an erratic boulder] is an epitome of petrology—it is a lithological museum—it is geological science converged to a focus.

1895 A. Harker Petrol. i. 19 Petrology has not yet arrived at any philosophical classification of rocks.

1897 Overland Monthly June 658 Although beginning with a discussion of rocks and rock-forming minerals, the work must be treated in no sense as a petrology, as this word is commonly used.

1937 Q. Jrnl. Geol. Soc. 93 581 The science of Gefügekunde, variously translated as petrofabrics, petrotectonics, or structural petrology, is understood to comprise a study of all the spatial data, macroscopic and microscopic, which go to form a complete vector-picture so far as this is legible in the make-up of the rock.

1966 Jrnl. Petrol. 7 115 It is necessary to know something of the residual liquids that might be produced in the course of crystallization of silicate melts, and a considerable part of the efforts of experimental petrology has been directed to this end.

1991 M. A. Summerfield Global Geomorphol. (BNC) 107 Igneous petrology, the subdiscipline concerned with the classification and origin of igneous rocks, is a complex field.

2. The features of a particular rock type, or of the rocks of a particular region, formation, etc., as regards origin, structure, and composition.

ΘΚΠ

the world > the earth > structure of the earth > structural features > [noun]

geology1795

structural geology1842

stratigraphy1850

petrology1870

palaeophysiography1882

tectonics1899

palaeogeology1933

palaeostructure1937

solid geology1937

morphotectonics1956

1870 Athenæum 22 Jan. 127/3 Considering first the petrology and lithology of rock masses, Prof. Molloy divides the compounds of the earth's crust into..3 groups.

1880 Nature 15 Jan. 259/2 A valuable memoir on the petrology of Rodriguez by Mr. N. S. Maskelyne.

1921 Nature 20 Jan. 673/1 Some broad features of Hawaiian petrology.

1954 Geol. Mag. 91 44 (heading) Further data on the petrology of the pelitic hornfelses of the Carn Chuinneag-Inchbae region, Ross-shire.

1975 Sci. Amer. Jan. 29/1 The mineralogy, the content of trace elements and gas, the petrology and so on of literally hundreds of different meteorites have been measured.

1993 Jrnl. Petrol. 34 595 Age and petrology of alkali postshield and rejuvenated-stage lava from Kauai, Hawaii.

This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022).

单词	petrology
释义	petrologyn. Brit. /pᵻˈtrɒlədʒi/, U.S. /pəˈtrɑlədʒi/ Forms: see petro- comb. form¹ and -logy comb. form. Origin: Formed within English, by compounding. Etymons: petro- comb. form¹, -logy comb. form. Etymology: < petro- comb. form¹ + -logy comb. form. Compare earlier petrography n. 1. The branch of geology concerned with the origin, structure, and composition of rocks. Also (rare): a treatise on this subject. Cf. lithology n. 1, petrography n. ΘΚΠ the world > the earth > earth sciences > geology > [noun] > petrology or petrography petrography1651 lithography1708 lithology1716 petrology1811 1811 J. Pinkerton (title) Petralogy. A treatise on rocks. 1823 J. Wilson Noctes Ambrosianæ vii, in Blackwood's Edinb. Mag. Mar. 374 With geology, And petrology, Sans apology, He, he alone is born to cram our age. 1867 Michigan Univ. Mag. 2 339 It [sc. an erratic boulder] is an epitome of petrology—it is a lithological museum—it is geological science converged to a focus. 1895 A. Harker Petrol. i. 19 Petrology has not yet arrived at any philosophical classification of rocks. 1897 Overland Monthly June 658 Although beginning with a discussion of rocks and rock-forming minerals, the work must be treated in no sense as a petrology, as this word is commonly used. 1937 Q. Jrnl. Geol. Soc. 93 581 The science of Gefügekunde, variously translated as petrofabrics, petrotectonics, or structural petrology, is understood to comprise a study of all the spatial data, macroscopic and microscopic, which go to form a complete vector-picture so far as this is legible in the make-up of the rock. 1966 Jrnl. Petrol. 7 115 It is necessary to know something of the residual liquids that might be produced in the course of crystallization of silicate melts, and a considerable part of the efforts of experimental petrology has been directed to this end. 1991 M. A. Summerfield Global Geomorphol. (BNC) 107 Igneous petrology, the subdiscipline concerned with the classification and origin of igneous rocks, is a complex field. 2. The features of a particular rock type, or of the rocks of a particular region, formation, etc., as regards origin, structure, and composition. ΘΚΠ the world > the earth > structure of the earth > structural features > [noun] geology1795 structural geology1842 stratigraphy1850 petrology1870 palaeophysiography1882 tectonics1899 palaeogeology1933 palaeostructure1937 solid geology1937 morphotectonics1956 1870 Athenæum 22 Jan. 127/3 Considering first the petrology and lithology of rock masses, Prof. Molloy divides the compounds of the earth's crust into..3 groups. 1880 Nature 15 Jan. 259/2 A valuable memoir on the petrology of Rodriguez by Mr. N. S. Maskelyne. 1921 Nature 20 Jan. 673/1 Some broad features of Hawaiian petrology. 1954 Geol. Mag. 91 44 (heading) Further data on the petrology of the pelitic hornfelses of the Carn Chuinneag-Inchbae region, Ross-shire. 1975 Sci. Amer. Jan. 29/1 The mineralogy, the content of trace elements and gas, the petrology and so on of literally hundreds of different meteorites have been measured. 1993 Jrnl. Petrol. 34 595 Age and petrology of alkali postshield and rejuvenated-stage lava from Kauai, Hawaii. This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022). < n.1811
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