Laxfordianadj.

/laksˈfɔːdɪən/

Etymology: < Laxford, name of a loch and river in the north of Scotland + -ian suffix.

Geology.

Of, pertaining to, or designating the later metamorphism undergone by the Lewisian rocks of the Precambrian in north-west Scotland, the rocks formed by this metamorphism, and the structures to which they belong. Also absol., these rocks and structures.

ΘΚΠ

the world > the earth > structure of the earth > age or period > stratigraphic units > [noun] > pre-Cambrian formations

Huronian1857

Labradorian1870

Keweenawan1876

sparagmite1882

Keewatin1886

Torridonian1893

Laxfordian1950

the world > the earth > structure of the earth > age or period > stratigraphic units > [adjective] > pre-Cambrian > specific

Huronian1854

Lewisian1859

Archaean1872

Torridon1873

Keweenawan1876

Pebidian1877

Malvernian1879

Longmyndian1887

Torridonian1893

Moinian1938

Laxfordian1950

1950 Sutton & Watson in Q. Jrnl. Geol. Soc. 106 243 In the following pages the Lewisian is..regarded as belonging to two metamorphic complexes, the first, or Scourian, being older and the second, or Laxfordian, younger than the dolerite dykes. These names are taken from localities in Sutherland where the relations of the two complexes are particularly clearly displayed.

1959 Nature 5 Dec. 1793/1 Three samples came from the Outer Hebrides, three from the Laxfordian, and two from the Scourian.

1969 G. M. Bennison & A. E. Wright Geol. Hist. Brit. Isles iii. 44 On the Outer Isles the Laxfordian orogeny is dominant, much of Harris and Lewis being composed of a migmatite complex of Laxfordian age.

1973 Nature 6 July 10/2 The whole rock date of 1,670 ± 24 m.y. and that on hornblende at 1,566 ± 33 m.y. indicate a Laxfordian age for the material.

1991 R. G. Park in G. Y. Craig Geol. Scotl. (ed. 3) 26 The main Laxfordian event is dated at c.1,800 Ma.

This entry has not yet been fully updated (first published 1997; most recently modified version published online June 2018).

单词	laxfordian
释义	Laxfordianadj. /laksˈfɔːdɪən/ Etymology: < Laxford, name of a loch and river in the north of Scotland + -ian suffix. Geology. Of, pertaining to, or designating the later metamorphism undergone by the Lewisian rocks of the Precambrian in north-west Scotland, the rocks formed by this metamorphism, and the structures to which they belong. Also absol., these rocks and structures. ΘΚΠ the world > the earth > structure of the earth > age or period > stratigraphic units > [noun] > pre-Cambrian formations Huronian1857 Labradorian1870 Keweenawan1876 sparagmite1882 Keewatin1886 Torridonian1893 Laxfordian1950 the world > the earth > structure of the earth > age or period > stratigraphic units > [adjective] > pre-Cambrian > specific Huronian1854 Lewisian1859 Archaean1872 Torridon1873 Keweenawan1876 Pebidian1877 Malvernian1879 Longmyndian1887 Torridonian1893 Moinian1938 Laxfordian1950 1950 Sutton & Watson in Q. Jrnl. Geol. Soc. 106 243 In the following pages the Lewisian is..regarded as belonging to two metamorphic complexes, the first, or Scourian, being older and the second, or Laxfordian, younger than the dolerite dykes. These names are taken from localities in Sutherland where the relations of the two complexes are particularly clearly displayed. 1959 Nature 5 Dec. 1793/1 Three samples came from the Outer Hebrides, three from the Laxfordian, and two from the Scourian. 1969 G. M. Bennison & A. E. Wright Geol. Hist. Brit. Isles iii. 44 On the Outer Isles the Laxfordian orogeny is dominant, much of Harris and Lewis being composed of a migmatite complex of Laxfordian age. 1973 Nature 6 July 10/2 The whole rock date of 1,670 ± 24 m.y. and that on hornblende at 1,566 ± 33 m.y. indicate a Laxfordian age for the material. 1991 R. G. Park in G. Y. Craig Geol. Scotl. (ed. 3) 26 The main Laxfordian event is dated at c.1,800 Ma. This entry has not yet been fully updated (first published 1997; most recently modified version published online June 2018). < adj.1950
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