Information om | Engelska ordet PALAEOZOIC

Exempel på hur man kan använda PALAEOZOIC i en mening

• North and west of this line are the older, generally harder rocks including igneous and metamorphic rocks and the Palaeozoic and Precambrian sandstones and limestones which usually stand out as upland areas.
• In other memoirs, among which may be mentioned those on the Cretaceous rocks of the Ardennes and of the Basin of Oviedo, Spain; on the (Devonian) Calcaire d’Erbray; on the Palaeozoic rocks of Brittany and of northern Spain; and on the granitic and metamorphic rocks of Brittany, Dr Barrois proved himself an accomplished petrologist as well as palaeontologist and field-geologist.
• Other fossil sites with animal and plant remains from the Palaeozoic to the Mesozoic have also made important contributions to geoscientific research.
• The park's rock formations, made famous by Robert Stevens and Harold Williams, include oceanic crust and mantle rock exposed by the obduction process of plate tectonics, as well as sedimentary rock formed during the Ordovician, Precambrian granite and Palaeozoic igneous rocks.
• The basement consists of Archaean and Proterozoic rocks and the cover is deposited in the Palaeozoic, Mesozoic and Cenozoic eras.
• He next investigated the Devonian rocks and fossils of the Bas-Boulonnais; and in 1839 accompanied Sedgwick and Murchison in a study of the older Palaeozoic rocks of the Rhenish provinces and Belgium, the palaeontological results being communicated to the Geological Society of London in conjunction with the Vicomte d'Archiac.
• In Saudi Arabia, two large aquifers of Palaeozoic and Triassic origins are located beneath the Jabal Tuwayq mountains and areas west to the Red Sea.
• In Wisconsin, the inner lowland is a knob of resistant quartzites, known as Baraboo Ridge, rising from the buried upland floor through the partly denuded cover of lower Palaeozoic strata.
• The vale lies along the eroded core of an anticline, a westward extension of the Mendip Axis, with a relatively thin covering of Mesozoic sediments folded upwards over an up-faulted horst of Palaeozoic rocks.
• The topographic relief of the archipelago is quite smooth, with Neoproterozoic and Palaeozoic sedimentary successions dominating its bedrock geology.
• The northern part of the island, apart from the coastal strip bordering the Choiseul Sound, is largely underlain by Palaeozoic rocks in the form of quartzite and slate, which tend to form rugged landscapes and coastlines and to cause the soil to be poor and acidic.
• Beneath the tussock in the Gouland Downs are sandstone and mudstone sedimentary rocks that were formed in the Lower Palaeozoic era around 400 to 500 million years ago.
• About the year 1835 he began to devote his leisure to the investigation of the Carboniferous fossils around Liège, and ultimately he became distinguished for his researches on the palaeontology of the Palaeozoic rocks, and especially for his descriptions of the molluscs, brachiopods, crustaceans and crinoids of the Carboniferous limestone of Belgium.
• Salter replaced Forbes as palaeontologist to the survey and gave his chief attention to the Palaeozoic fossils, spending much time in Wales and the border counties.
• Probable Palaeozoic metamorphic rocks, the Bena Bena Formation, intruded by Upper Triassic Bismarck Granodiorite and Mount Victor Granodiorite, constitute the basement on which lower Miocene Nasananka Conglomerate and Omaura Greywacke were laid down.
• Unlike the Carboniferous Limestone landscapes typical of much of the Yorkshire Dales and Orton Fells, the range is formed from lower Palaeozoic slates and gritstones.
• Some Palaeozoic nautiloid genera, especially those with long, straight shells, are distinguished by cameral deposits.
• Unlike kimberlites, which are found exclusively in Archaean cratons, lamproites are found in terrains of varying age, ranging from Archaean in Western Australia, to Palaeozoic and Mesozoic in southern Spain.
• Also, from a purely curatorial perspective the term pteridosperms is a useful shorthand for describing the fern-like fronds that were probably produced by seed plants, which are commonly found in many Palaeozoic and Mesozoic fossil floras.
• The succeeding eon is the Phanerozoic, divided into three eras: the Palaeozoic, an era of arthropods, fishes, and the first life on land; the Mesozoic, which spanned the rise, reign, and climactic extinction of the non-avian dinosaurs; and the Cenozoic, which saw the rise of mammals.

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