petrogenyn.

Brit.

/pᵻˈtrɒdʒᵻni/,

/pᵻˈtrɒdʒn̩i/, U.S.

/pəˈtrɑdʒəni/

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

Etymology: < petro- comb. form¹ + -geny comb. form. Compare slightly earlier petrogenesis n.

Geology.

= petrogenesis n. Frequently in petrogeny's residua system, a liquid system consisting of the molten oxides of aluminium, sodium, potassium, and silicon which are the chief components of igneous rocks.

ΘΚΠ

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

petrogenesis1886

lithogeny1888

petrogeny1888

lithogenesis1909

the world > the earth > structure of the earth > formation of features > formation of rock or stone > [noun]

petrifaction?a1425

petrification1611

lapidification1626

lapidescence1649

petrescency1662

petrifying1712

petrescence?1797

lithification1872

petrogenesis1886

lithogeny1888

lithifaction1893

lithogenesis1909

petrogeny1937

1888 J. J. H. Teall Brit. Petrogr. Gloss. 448 Petrogeny, that department of geology which treats of the formation of rocks.

1937 N. L. Bowen in Amer. Jrnl. Sci. 233 1 In mixtures containing all of these (SiO₂, Al₂O₃, iron oxide, CaO, MgO, Na₂O and K₂O) the residual liquid from fractional crystallization will show this same character of great enrichment in alkali-alumina silicate. Since the oxides listed above make up some 97 per cent of the composition of the average igneous rock the alkali-alumina silicate system (NaAlSiO₄–KAlSiO₄–SiO₂) is here referred to as petrogeny's ‘residua system’.

1950 E. E. Wahlstrom Introd. Theoret. Igneous Petrol. i. 3 Petrogeny places emphasis on the manner of origin or genesis of rocks.

1990 Geol. Soc. Amer. 22 17 Historic igneous petrogeny viewed from the southern Cordillera.

1999 Lithos 46 722/1 Information on the conditions of melts during leucite crystallisation arise [sic] from a plot of all the samples in the system NaAlSiO₄–KAlSiO₄–SiO₂–H₂O (or petrogeny's residua system) at variable water fugacities.

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

单词	petrogeny
释义	petrogenyn. Brit. /pᵻˈtrɒdʒᵻni/, /pᵻˈtrɒdʒn̩i/, U.S. /pəˈtrɑdʒəni/ Origin: Formed within English, by compounding. Etymons: petro- comb. form¹, -geny comb. form. Etymology: < petro- comb. form¹ + -geny comb. form. Compare slightly earlier petrogenesis n. Geology. = petrogenesis n. Frequently in petrogeny's residua system, a liquid system consisting of the molten oxides of aluminium, sodium, potassium, and silicon which are the chief components of igneous rocks. ΘΚΠ the world > the earth > earth sciences > geology > [noun] > petrology or petrography > petrogeny petrogenesis1886 lithogeny1888 petrogeny1888 lithogenesis1909 the world > the earth > structure of the earth > formation of features > formation of rock or stone > [noun] petrifaction?a1425 petrification1611 lapidification1626 lapidescence1649 petrescency1662 petrifying1712 petrescence?1797 lithification1872 petrogenesis1886 lithogeny1888 lithifaction1893 lithogenesis1909 petrogeny1937 1888 J. J. H. Teall Brit. Petrogr. Gloss. 448 Petrogeny, that department of geology which treats of the formation of rocks. 1937 N. L. Bowen in Amer. Jrnl. Sci. 233 1 In mixtures containing all of these (SiO₂, Al₂O₃, iron oxide, CaO, MgO, Na₂O and K₂O) the residual liquid from fractional crystallization will show this same character of great enrichment in alkali-alumina silicate. Since the oxides listed above make up some 97 per cent of the composition of the average igneous rock the alkali-alumina silicate system (NaAlSiO₄–KAlSiO₄–SiO₂) is here referred to as petrogeny's ‘residua system’. 1950 E. E. Wahlstrom Introd. Theoret. Igneous Petrol. i. 3 Petrogeny places emphasis on the manner of origin or genesis of rocks. 1990 Geol. Soc. Amer. 22 17 Historic igneous petrogeny viewed from the southern Cordillera. 1999 Lithos 46 722/1 Information on the conditions of melts during leucite crystallisation arise [sic] from a plot of all the samples in the system NaAlSiO₄–KAlSiO₄–SiO₂–H₂O (or petrogeny's residua system) at variable water fugacities. This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022). < n.1888
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