liasn.
/ˈlʌɪəs/, U.S. /ˈlaɪəs/ 1. A blue limestone rock occurring in certain south-western counties of England. Also attributive.
ΘΚΠ
the world > the earth > structure of the earth > constituent materials > rock > sedimentary rock > [noun] > limestone > others
lias1404
stone marrow1681
stone marl1682
saint's head stone1763
Kentish rag1769
watericle1776
kankar1793
Cotham1816
mountain limestone1817
tosca1818
cornstone1819
burr1829
coral-limestone1831
scar-limestone1831
Wenlock limestone1834
bavin1839
curf1839
Solenhofen slate1841
Beer stone1871
miliolite limestone1872
Clipsham1877
reef limestone1884
Hopton wood1888
thermo-calcite1888
Kilkenny marble1930
micrite1959
1404 in J. T. Fowler Extracts Acct. Rolls Abbey of Durham (1899) II. 397 In custodia Vitrarii 2 par' petrarum ex officio et 1 par vocat. lyas.
1649 Glanvill in Philos. Trans. (Royal Soc.) 4 978 A sort of hard stone, commonly call'd a Lyas, blue and white, polishable.
1751 S. Whatley England's Gazetteer at Launsdon, (Som.) On the N.W. side of this plain are dug a sort of head-stones, called lyas, which are blue and white, and polishable.
1793 J. Smeaton Narr. Edystone Lighthouse (ed. 2) §202 (note) Lyas is the general term for strata of stone of the species of Aberthaw, in several counties.
1808 C. Vancouver Gen. View Agric. Devon i. 27 A stratum of blue lais [sic] limestone.
1831 H. T. De la Beche Geol. Man. ii. 146 On the coast of the S.W. part of Somersetshire..a high shingle beach, principally composed of lias (the rock of the vicinity).
1881 F. Young Every Man his own Mechanic §1154 Blue lias lime is charged 24/- per yard.
2. Geology. A series of strata forming the lower division of the Jurassic series, consisting of thin layers of blue argillaceous limestone, and containing a great wealth of fossils.
ΘΚΠ
the world > the earth > structure of the earth > age or period > stratigraphic units > [noun] > secondary or Mesozoic > Jurassic > specific
Oxford clay1812
cornbrash1813
Kellaways1813
Portland oolite1814
coral-rag1816
oolite1816
Oxford oolite1818
Kimmeridge clay1830
lias1833
Portland sand1836
skull-cap1839
Solenhofen slate1841
Stonesfield slate1855
Callovian1856
Tithonian1869
coralline oolite1871
Lincolnshire limestone1873
Ampthill Clay1877
Aalenian1882
Pliensbachian1903
1833 C. Lyell Princ. Geol. III. Gloss. 72 Lias, a provincial name adopted in scientific language for a particular kind of limestone.
1838 C. Lyell Elem. Geol. xviii. 388 The name of Gryphite limestone has sometimes been applied to the lias.
1867 J. H. Burton Hist. Scotl. to 1688 I. iii. 89 The lias, oolite, and other recent formations.
This entry has not yet been fully updated (first published 1902; most recently modified version published online March 2022).
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n.1404