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Molar Tooth Structure
Molar tooth structures are ribbon-like veins and nodules of calcite that are found widespread in Precambrian Carbonate rock, carbonate sedimentary rocks between approximately 2600 to 570 million years ago. Their mechanism for formation remains debated, with hypothesis including the generation of methane gas within sediments, pumping of water through sediment by wave action, tsunamis, and bacterial processes. History and etymology The first documented observation of molar tooth structures was by Hilary Bauerman in 1884, during mapping of the Rocky Mountains for the Canada–United States border, Canada-United States border and the Geological Survey of Canada. Their name originates their similarity to the markings of Elephant, elephants' Molar (tooth), molar teeth: Physical characteristics Molar tooth structures are millimeter- to centimeter-scale microcrystalline ribbons and 'blobs' of calcite within Argillaceous mineral, argillaceous carbonate sedimentary rocks, sometimes r ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
MWH 4204
A kilowatt-hour (unit symbol: kW⋅h or kW h; commonly written as kWh) is a Units of measurement, unit of energy: one kilowatt of power for one hour. In terms of SI derived units with special names, it equals 3.6 Joule, megajoules (MJ). Kilowatt-hours are a common billing unit for electrical energy delivered to consumers by Electric utility, electric utilities. Definition The kilowatt-hour is a composite unit of energy equal to one kilowatt (kW) sustained for (multiplied by) one hour. Expressed in the standard unit of energy in the International System of Units (SI), the joule (symbol J), it is equal to 3,600 kilojoules or 3.6 MJ."Half-high dots or spaces are used to express a derived unit formed from two or more other units by multiplication.", Barry N. Taylor. (2001 ed.''The International System of Units.'' (Special publication 330). Gaithersburg, MD: National Institute of Standards and Technology. 20. Unit representations A widely used representation of the ki ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
