Webstratum [ ′strad·əm] (geology) A mass of homogeneous or gradational sedimentary material, either consolidated rock or unconsolidated soil, occurring in a distinct layer and visually separable from other layers above and below. (science and technology) One in a sequence of distinct layers. (statistics) subpopulation

WebSep 05, 2018 · In the context of a global Flood, strata will form in wide currents of sediment-laden water when a ‘basin’ or lowered area is created. Enormous quantities of loose sediment particles are carried along by the water currents and fall down the advancing ‘face’, or front, of the layer of sediment. This is how the layer grows horizontally.

Webn. pl. stra·ta (-tə) or stra·tums 1. A horizontal layer of material, especially one of several parallel layers arranged one on top of another. 2. Geology A bed or layer of sedimentary rock that is visually distinguishable from adjacent beds or layers. 3. Any of the regions of the atmosphere, such as the troposphere, that occur as layers. 4.

WebFeb 11, 2022 · Rock strata are horizontal layers of sedimentary rock, which are usually visually distinguishable from adjacent layers due to their differing composition. Each individual stratum represents a...

WebA geological event is a temporally and spatially heterogeneous and dynamic (diachronous) happening in Earth history that contributes to the transformation of Earth system and the formation of geological strata.Event stratigraphy was first proposed as a system for the recognition, study and correlation of the effects of important physical or biological events …

WebNov 28, 2022 · Ordovician geology of Alaska. November 28, 2022. Ordovician rocks, found in northern, east-central, interior and southern Alaska, formed in a variety of depositional and palaeogeographic settings. Shallow- and deep-water strata deposited along the northwestern Laurentian margin occur in east-central Alaska (Yukon River area) and …

Webnoun stra· ta ˈstrā-tə ˈstra- plural stratas also strata : a dish that is made up of layers of bread, cheese, and meat or vegetables over which a mixture of eggs and milk is poured and that is usually refrigerated before it is baked a ham and cheese strata Word History Etymology Noun probably from strata, plural of stratum, taken as a singular noun

WebThe purpose of this database is to allow users to easily search and summarize Sepkoski's global genus compendium on the basis of Evolutionary Fauna, Phylum, or Class. You can recover customized lists of genera and their stratigraphic ranges (according to Sepkoski) as well as summaries of genus richness and taxonomic rates of evolution.

WebStratigraphy is a branch of geology to description of rock or interpretation geologic time scale.It provides of geologic history of strata. Stratigraphic studies primarily used in the study of sedimentary and volcanic layered rocks. Two type related subfields Lithologic Stratigraphy Or Lithostratigraphy Biologic Stratigraphy Or Biostratigraphy