slickensiden.

/ˈslɪk(ə)nsʌɪd/

Forms: Also slickensides.

Etymology: < dialect slicken, variant of slick adj. + side n.¹

1. Mineralogy. A specular variety of galena found in Derbyshire.

ΘΚΠ

the world > the earth > minerals > types of mineral > sulphides and related minerals > [noun] > galena group > lead sulphide

plumbago1617

plumbary1657

galena1671

burnt lead1728

slickenside1768

lead glance1811

galenite1868

1768 Mettam in Whitehurst Formation of Earth (1778) 188 I send you, by the bearer, two specimens of our slickensides, containing all the variety of minerals where the explosions happen.

1789 J. Pilkington View Derbyshire I. v. 195 Slickenside with a smooth surface on each side... The crackling and explosions caused by scraping these slickensides with a pick-ax are well known.

1810 Millar J. Williams' Min. Kingdom II. App. 448 Slickenside, which is a variety of galena, or sulphuret of lead, is also a product of these [Derbyshire] mines.

1850 D. T. Ansted Elem. Course Geol. Gloss. Slickensides,..one of the ores of lead found in Derbyshire.

2. Geology. A polished (and sometimes striated) surface on the wall of a mineral lode, or on a line of fracture in a rock-mass; a smooth glistening surface produced by pressure and friction.

ΘΚΠ

the world > the earth > minerals > mineral deposits > features of stratum or vein > [noun] > material forming sides > polished

slickenside1822

the world > the earth > structure of the earth > structural features > discontinuity or unconformity > [noun] > fault > line > smooth surface on

slickenside1822

fault-slip1883

1822 W. D. Conybeare & W. Phillips Outl. Geol. Eng. & Wales 401 These planes, when separated, are the slickensides of the mineralogist.

1859 R. Hunt Guide Mus. Pract. Geol. (ed. 2) 164 The Slickensides evidently point to some sliding or grinding motion in the mass constituting the lode.

1880 Nature 11 Mar. 459/2 A kind of universal slickenside, consequent upon the crushing of a rock consisting of thin laminæ of different texture.

attributive.1839 R. I. Murchison Silurian Syst. i. xxxiv. 462 The direction of these joints (many of which have slickenside surfaces).1884 Nature 13 Nov. 35 Parallel with the slickenside-lines.1888 J. Prestwich Geol. II. 134 Extreme lateral pressure, the result of which is the formation of slickenside surfaces, often strongly striated.

Derivatives

ˈslickenside v.

ΚΠ

1884 Geol. Mag. 553 The dissolution being unequal, caused bosses to be left standing up, which were then ‘slickensided’ by the downward movement of the chalk.

ˈslickensided adj.

ΘΚΠ

the world > the earth > structure of the earth > formation of features > tectonization or diastrophism > [adjective] > smoothed by pressure or friction

slickensided1875

the world > the earth > structure of the earth > formation of features > erosion or weathering > [adjective] > smoothed or rounded

rounded1757

rolled1776

slickensided1875

1875 J. W. Dawson Life's Dawn on Earth ii. 32 This graphite is composed of contorted and slickensided laminæ.

1883 Science 1 191/2 A roof of slickensided ‘soapstone’.

ˈslickensiding n.

ΘΚΠ

the world > the earth > structure of the earth > formation of features > tectonization or diastrophism > [noun] > smoothing by pressure or friction

slickensiding1884

1884 Geol. Mag. 552 This movement would be..amply sufficient to account for the slickensiding observed.

This entry has not yet been fully updated (first published 1912; most recently modified version published online December 2020).

单词	slickenside
释义	slickensiden. /ˈslɪk(ə)nsʌɪd/ Forms: Also slickensides. Etymology: < dialect slicken, variant of slick adj. + side n.¹ 1. Mineralogy. A specular variety of galena found in Derbyshire. ΘΚΠ the world > the earth > minerals > types of mineral > sulphides and related minerals > [noun] > galena group > lead sulphide plumbago1617 plumbary1657 galena1671 burnt lead1728 slickenside1768 lead glance1811 galenite1868 1768 Mettam in Whitehurst Formation of Earth (1778) 188 I send you, by the bearer, two specimens of our slickensides, containing all the variety of minerals where the explosions happen. 1789 J. Pilkington View Derbyshire I. v. 195 Slickenside with a smooth surface on each side... The crackling and explosions caused by scraping these slickensides with a pick-ax are well known. 1810 Millar J. Williams' Min. Kingdom II. App. 448 Slickenside, which is a variety of galena, or sulphuret of lead, is also a product of these [Derbyshire] mines. 1850 D. T. Ansted Elem. Course Geol. Gloss. Slickensides,..one of the ores of lead found in Derbyshire. 2. Geology. A polished (and sometimes striated) surface on the wall of a mineral lode, or on a line of fracture in a rock-mass; a smooth glistening surface produced by pressure and friction. ΘΚΠ the world > the earth > minerals > mineral deposits > features of stratum or vein > [noun] > material forming sides > polished slickenside1822 the world > the earth > structure of the earth > structural features > discontinuity or unconformity > [noun] > fault > line > smooth surface on slickenside1822 fault-slip1883 1822 W. D. Conybeare & W. Phillips Outl. Geol. Eng. & Wales 401 These planes, when separated, are the slickensides of the mineralogist. 1859 R. Hunt Guide Mus. Pract. Geol. (ed. 2) 164 The Slickensides evidently point to some sliding or grinding motion in the mass constituting the lode. 1880 Nature 11 Mar. 459/2 A kind of universal slickenside, consequent upon the crushing of a rock consisting of thin laminæ of different texture. attributive.1839 R. I. Murchison Silurian Syst. i. xxxiv. 462 The direction of these joints (many of which have slickenside surfaces).1884 Nature 13 Nov. 35 Parallel with the slickenside-lines.1888 J. Prestwich Geol. II. 134 Extreme lateral pressure, the result of which is the formation of slickenside surfaces, often strongly striated. Derivatives ˈslickenside v. ΚΠ 1884 Geol. Mag. 553 The dissolution being unequal, caused bosses to be left standing up, which were then ‘slickensided’ by the downward movement of the chalk. ˈslickensided adj. ΘΚΠ the world > the earth > structure of the earth > formation of features > tectonization or diastrophism > [adjective] > smoothed by pressure or friction slickensided1875 the world > the earth > structure of the earth > formation of features > erosion or weathering > [adjective] > smoothed or rounded rounded1757 rolled1776 slickensided1875 1875 J. W. Dawson Life's Dawn on Earth ii. 32 This graphite is composed of contorted and slickensided laminæ. 1883 Science 1 191/2 A roof of slickensided ‘soapstone’. ˈslickensiding n. ΘΚΠ the world > the earth > structure of the earth > formation of features > tectonization or diastrophism > [noun] > smoothing by pressure or friction slickensiding1884 1884 Geol. Mag. 552 This movement would be..amply sufficient to account for the slickensiding observed. This entry has not yet been fully updated (first published 1912; most recently modified version published online December 2020). < n.1768
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