peperiten.

Brit.

/ˈpɛpərʌɪt/, U.S.

/ˈpɛpəˌraɪt/

Origin: Formed within English, by derivation; modelled on a French lexical item. Etymons: peperino n., -ite suffix¹.

Etymology: < peper- (in peperino n.) + -ite suffix¹, after French pépérite (P. L. A. Cordier Mémoire sur les substances minérales dites en masse (1815) ix. 66).

Geology. rare before 20th cent.

A brecciated volcanic material in marine sedimentary rock, regarded by some as being formed by the intrusion of lava or magma into sediment under water, and by others as a product of the mixing of volcanic ejecta with such sediments. Cf. peperino n.

ΘΚΠ

the world > the earth > structure of the earth > constituent materials > rock > composite rock > [noun] > agglomerate > specific

peperite1839

1839 Civil Engineer & Architect's Jrnl. 2 195/1 The geological structure of Mr. Hamilton's line of route is simple, being composed of only schistose rocks,..tertiary sandstones and limestones, granite, peperite, trachyte, basalt, and other igneous rocks.

1903 A. Geikie Text-bk. Geol. (ed. 4) II. 1254 These intercalations of tuff from the ‘Peperites’ of Auvergne, regarding which so much difference of opinion has been expressed.

1969 Proc. Geologists' Assoc. 80 177 It is concluded that the peperites [of the Auvergne] are the product of explosive projection of basaltic ejectamenta into steadily accumulating lime-mud.

2002 Jrnl. Volcanol. & Geothermal Res. 114 63 The change from fluidal to blocky peperite texture may also be controlled in part by the magma temperature.

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

单词	peperite
释义	peperiten. Brit. /ˈpɛpərʌɪt/, U.S. /ˈpɛpəˌraɪt/ Origin: Formed within English, by derivation; modelled on a French lexical item. Etymons: peperino n., -ite suffix¹. Etymology: < peper- (in peperino n.) + -ite suffix¹, after French pépérite (P. L. A. Cordier Mémoire sur les substances minérales dites en masse (1815) ix. 66). Geology. rare before 20th cent. A brecciated volcanic material in marine sedimentary rock, regarded by some as being formed by the intrusion of lava or magma into sediment under water, and by others as a product of the mixing of volcanic ejecta with such sediments. Cf. peperino n. ΘΚΠ the world > the earth > structure of the earth > constituent materials > rock > composite rock > [noun] > agglomerate > specific peperite1839 1839 Civil Engineer & Architect's Jrnl. 2 195/1 The geological structure of Mr. Hamilton's line of route is simple, being composed of only schistose rocks,..tertiary sandstones and limestones, granite, peperite, trachyte, basalt, and other igneous rocks. 1903 A. Geikie Text-bk. Geol. (ed. 4) II. 1254 These intercalations of tuff from the ‘Peperites’ of Auvergne, regarding which so much difference of opinion has been expressed. 1969 Proc. Geologists' Assoc. 80 177 It is concluded that the peperites [of the Auvergne] are the product of explosive projection of basaltic ejectamenta into steadily accumulating lime-mud. 2002 Jrnl. Volcanol. & Geothermal Res. 114 63 The change from fluidal to blocky peperite texture may also be controlled in part by the magma temperature. This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022). < n.1839
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