Laurasia


Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.
Related to Laurasia: Panthalassa

Laurasia

the northern supercontinent of the MESOZOIC ERA, including North America, Greenland and Eurasia. PANGAEA gave rise to Laurasia and in the south GONDWANALAND. see CONTINENTAL DRIFT.
Mentioned in ?
References in periodicals archive ?
As late as 120 million years ago, many of the landmasses that we identify as continents today fit together like two giant puzzle pieces: Gondwana in the southern hemisphere and Laurasia in the northern hemisphere.
The Kazakhstan and North China plates form a part of eastern Laurasia which had accreted by late Devonian times; the part of Myanmar which produces Cretaceous amber (Grimaldi et al.
Geobotanists think the origin of the ginseng plant goes back tens of millions of years, to when the Northern Hemisphere's paleocontinent Laurasia broke apart to form northern Asia and North America, thereby separating what had once been a single ecological zone.
Jack Mattingly of Woodland Hills is proud of how well his daughter, Laurasia, 14, has done in the riding competitions.
La primera fractura dio origen a dos supercontinentes, uno denominado Laurasia y el otro Gondwana, separados por el mar de Thetys.
It will take you back millions of years from the time about 500m years ago when Britain was further south of the Equator than it is north of it now, to the carboniferous period 327-300m years ago when the rocks of the Pennines (coal measures, millstone grit and carboniferous limestone) were formed, with Britain on the edge of the huge Laurasia continent and near the Equator on its long voyage north.
The Moldanubian Zone is a part of the Variscan orogenic belt, which resulted from the collision of Laurasia and Gondwana, and several small microplates between these, in the Devonian to Carboniferous times (Matte 1986).
Look straight ahead to the footpath sign next to Laurasia House and follow the path through a kissing gate into a meadow.
De acuerdo con Florin (citado por Leppik, 1973) las coniferas tuvieron su origen en regiones subtropicales y climas calidos; sus fosiles mas primitivos se han encontrado en la epoca tardia del Carbonifero y del Permico temprano; para la constitucion de los supercontinentes de Laurasia (Norte) y Gondwanalandia (Sur), las coniferas se encontraban bien establecidas y sus familias estaban diferenciadas.
After the repeated fragmentation of continents, Laurasia and Gondwana, the different continents and islands separated, and their floras and faunas evolved independently.
The more persuasive geological arguments to which I tentatively subscribe contend that over the past 500 million years continental landmasses have brecciated from a single continent of Pangaea, splitting into Gondwana and Laurasia, fragmenting again and again, and ultimately reforming into the continents we recognize today.
BY THIS time the Earth's continents Laurasia and Gondwana were on the move and a new sea was gradually forming between them.