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18 de mai. de 2024 · Detailed logarithmic timeline. This timeline shows the whole history of the universe, the Earth, and mankind in one table. Each row is defined in years ago, that is, years before the present date, with the earliest times at the top of the chart.
20 de mai. de 2024 · Definition. Consider a set of lattice sites, each with a set of adjacent sites (e.g. a graph) forming a -dimensional lattice. For each lattice site there is a discrete variable such that , representing the site's spin. A spin configuration, is an assignment of spin value to each lattice site. For any two adjacent sites there is an interaction .
Há 2 dias · The geologic time scale or geological time scale ( GTS) is a representation of time based on the rock record of Earth. It is a system of chronological dating that uses chronostratigraphy (the process of relating strata to time) and geochronology (a scientific branch of geology that aims to determine the age of rocks).
Há 4 dias · A Fossil-Lagerstätte ( German: [ˈlaːɡɐˌʃtɛtə], from Lager 'storage, lair' Stätte 'place'; plural Lagerstätten) is a sedimentary deposit that exhibits extraordinary fossils with exceptional preservation—sometimes including preserved soft tissues.
Há 6 dias · The Pierre Shale is a geologic formation or series in the Upper Cretaceous which occurs east of the Rocky Mountains in the Great Plains, from Pembina Valley in Canada [2] to New Mexico . The Pierre Shale was described by Meek and Hayden in 1862 in the Proceedings of the Academy of Sciences (Philadelphia).
Há 5 dias · The Cretaceous is divided into Early and Late Cretaceous epochs, or Lower and Upper Cretaceous series. In older literature, the Cretaceous is sometimes divided into three series: Neocomian (lower/early), Gallic (middle) and Senonian (upper/late).
18 de mai. de 2024 · The Early Tonian period in the São Francisco Craton represents the development of an intracontinental rift across the northern and central Espinhaço regions, playing a crucial role in understanding the tectonic evolution of the Neoproterozoic Period within this craton and its adjacent orogens.
