slinen.
/slʌɪn/ Coal Mining.
(See quots.) Gresley (1883) also gives ‘potholes in the roof’.
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the world > the earth > structure of the earth > constituent materials > rock > texture or colour > [noun] > texture > laminated or fissile > cleavage or plane
sline1811
cleavage1816
cleavage-plane1831
rift1841
schistosity1885
strain-slip cleavage1886
1811 J. Farey Gen. View Agric. Derbyshire I. 181 The Slines, or lengthway joints which naturally divide the Coal-seams vertically, generally range about ESE and WNW.
1873 Trans. Amer. Inst. Mining Engineers 1871–3 1 304 In some seams the slines, smooth planes of cleavage parallel with the face, are much closer together than in others.
1875 R. Hunt & F. W. Rudler Ure's Dict. Arts (ed. 7) I. 815 The smooth clean surface of the coal coinciding with this well-defined set of joints is known as the cleat, face, or slyne.
This entry has not yet been fully updated (first published 1912; most recently modified version published online June 2022).
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n.1811