stromatolithn.
/ˈstrəʊmətəʊlɪθ/ Geology.
†(a) A laminated rock structure with a complex interleaving of igneous and sedimentary components. Obsolete. (b) [ < German stromatolith (E. Kalkowsky 1908, in Zeitschr. der Deutsch. geol. Ges. LX. 68).] = stromatolite n.
ΘΚΠ
the world > the earth > structure of the earth > constituent materials > rock > sedimentary rock > [noun] > stromatolite
stromatolith1916
stromatolite1930
the world > the earth > structure of the earth > constituent materials > rock > texture or colour > [noun] > texture > laminated or fissile
slaty cleavage1839
stromatolith1916
1916 W. G. Foye in Jrnl. Geol. (Chicago) 24 791 The noun ‘Stromatolith’ may be defined as a rock mass consisting of many alternating layers of igneous and sedimentary rocks in sill relationship.
1918 Jrnl. Geol. (Chicago) 26 608 The stromatoliths are the sedimentary equivalent of the calcareous and siliceous ‘sinter’ of the hot springs.
1933 Q. Jrnl. Geol. Soc. 89 415 These bodies—stromatoliths—are composed of chlorite or chlorite with zones of a brown or green-brown isotropic mineral.
1963 D. W. Humphries & E. E. Humphries tr. H. Termier & G. Termier Erosion & Sedimentation xi. 223 The Cyanophyceae can give rise to carbonaceous substances (bogheads) in the form of ‘waterblooms’ and can also precipitate calcareous ‘biscuits’, stromatoliths and calcareous muds.
Derivatives
stromatoˈlithic adj. of the nature of or pertaining to a stromatolith.
ΘΚΠ
the world > the earth > structure of the earth > constituent materials > rock > sedimentary rock > [adjective] > stromatolith or stromatolite
stromatolithic1916
stromatolitic1933
1916 W. G. Foye in Jrnl. Geol. (Chicago) 24 791 The term batholithic’ does not describe the true character of these areas and the term ‘stromatolithic’ is suggested in its place.
1936 Geogr. Jrnl. 87 534 I recognized..a palaeozoic series which extends from the stromatolithic Cambrian to a lower carboniferous formation.
1963 D. W. Humphries & E. E. Humphries tr. H. Termier & G. Termier Erosion & Sedimentation xvii. 343 The stromatolithic limestones of the Precambrian.
This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2018).
<
n.1916