Thuleanadj.
/ˈθjuːlɪən/ Geology.
Of, pertaining to, or designating a region of Tertiary volcanic activity including Iceland and parts of Britain and Greenland.
ΘΚΠ
the world > the earth > structure of the earth > structural features > [adjective] > type of zone
infraglacial1894
intraglacial1895
anamorphic1904
periglacial1923
orocratic1924
pediocratic1924
Thulean1925
palaeogeomorphic1945
1925 Glasgow Herald 10 Nov. 11/5 Jan Mayen, he said, formed a part of the Thulean or Brito-Arctic petrographical province.
1938 A. K. Wells Outl. Hist. Geol. xvii. 206 Evidently Britain lay on the fringe of a vast North Atlantic (or Thulean) volcanic province.
1976 P. Francis Volcanoes vii. 219 The Giant's Causeway in Antrim, and Fingal's Cave on the island of Staffa both originated when the Thulean plateau was being formed.
This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2018).
<
adj.1925