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Magnetostratigraphy is best known as a technique that employs correlation among different stratigraphic sections using the magnetic directions defining geomagnetic polarity reversals as marker horizons. The ages of the polarity reversals provide common tie points among the sections, allowing accurate time correlation. Recently, studies of magnetic methods and the timing of geological processes have acquired a broader meaning, now referring to many types of magnetic measurements within a stratigraphic sequence. Many of these measurements provide correlation and age control not only for the older and younger boundaries of a polarity interval, but also within intervals. Thus, magnetostratigraphy no longer represents a dating tool based only on geomagnetic polarity reversals, but comprises a set of techniques that includes measurements of geomagnetic field parameters, environmental magnetism, rock-magnetic properties, radiometric dating and astronomically forced palaeoclimatic change recorded in sedimentary rocks, and key corrections to magnetic directions related to geodynamics, palaeocurrents, tectonics and diagenetic processes --
A NEW YORK TIMES, USA TODAY, and WASHINGTON POST BESTSELLER! A 2021 Alex Award winner! The 2021 RUSA Reading List: Fantasy Winner! An Indie Next Pick! One of Publishers Weekly's "Most Anticipated Books of Spring 2020" One of Book Riot’s “20 Must-Read Feel-Good Fantasies” Lambda Literary Award-winning author TJ Klune’s bestselling, breakout contemporary fantasy that's "1984 meets The Umbrella Academy with a pinch of Douglas Adams thrown in." (Gail Carriger) Linus Baker is a by-the-book case worker in the Department in Charge of Magical Youth. He's tasked with determining whether six dangerous magical children are likely to bring about the end of the world. Arthur Parnassus is the mast...
Abstracts of dissertations available on microfilm or as xerographic reproductions.
String garlic by the window and hang a cross around your neck! The most powerful vampire of all time returns in our Stepping Stone Classic adaption of the original tale by Bran Stoker. Follow Johnathan Harker, Mina Harker, and Dr. Abraham van Helsing as they discover the true nature of evil. Their battle to destroy Count Dracula takes them from the crags of his castle to the streets of London... and back again.
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Written in a detailed and fascinating manner, this book is ideal for general readers interested in the English language.