The Gravity Theory of Mass Extinction: A New Unified Theory of Mass Extinction Explains the Rise and Fall of the Dinosaurs 9780981922140

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Автор: Stojanowski John
Название: The Gravity Theory of Mass Extinction: A New Unified Theory of Mass Extinction Explains the Rise and Fall of the Dinosaurs
ISBN: 9780981922140
Классификация:

Прикладная физика и специальные темы

Геология и литосфера

Палеонтология

Динозавры и доисторический мир

Горные породы, минералы и окаменелости

ISBN-10: 0981922147
Обложка/Формат: Paperback
Страницы: 236
Вес: 0.34 кг.
Дата издания: 10.01.2012
Язык: English
Иллюстрации: Black & white illustrations
Размер: 230 x 156 x 13
Читательская аудитория: General (us: trade)
Подзаголовок: A new unified theory of mass extinction explains the rise and fall of the dinosaurs
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Поставляется из: США
Описание: The belief that some dinosaurs were so gigantic that they couldnt exist with todays gravity is a topic frequently discussed on internet websites. The opinion posted the most is that the Earths mass must have changed significantly resulting in an alteration of surface gravity or that the Earth somehow expanded. Neither of these opinions have scientific support. The theory explained in this book, the GTME, does have that support.
Readers familiar with basic rotational physics understand that when there is a redistribution of mass within a rotating symmetrical object, like the Earth, there are two laws of physics that must be obeyed: the conservation of (1) rotational kinetic energy and (2) angular momentum. When the Earths continents coalesced to form Pangea, their center of mass shifted south of the equator, an action which would have reduced (1) and (2). Something had to offset the above continental movement in order to conserve the two quantities described. That something was either the shifting of the Earths core elements (inner/outer cores and densest lower mantle) away from Pangea or the increase in rotational velocity of the Earth (i.e., shortening of the day). The latter has not been detected during Pangeas existence.
Considerable circumstantial evidence supports the GTME. The most obvious is the existence of the largest dinosaurs, the sauropods. As Pangea broke apart and surface gravity increased the extinction of all non-avian dinosaurs, sea-going reptiles, ammonites, pterosaurs, etc., occurred. Core element movement is supported by the massive flood basalt volcanism of the Mesozoic and the two superchrons, the periods when magnetic pole reversal didnt occur.
The most powerful support for the GTME comes from the science of paleomagnetism. Paleomagnetists are split between support of the Pangea A vs. Pangea B models. Relying on the magnetic Geocentric Axial Dipole (GAD) model to reconstruct continental positions of Pangea they encountered a roadblock; the continents appeared to overlap. The GTME solves this problem because the shifting of the core elements from the Earths geocenter mandates a non-GAD model. A recent study hypothesizes that geomagnetic pole reversals are directly linked to continental plate distribution; a concept already posited by the GTME As explained in this book, many if not most of the mass extinctions were the result of changes in the Earths surface gravity due to core element movement resulting from continental tectonic plate movement.

The Gravity Theory of Mass Extinction: A New Unified Theory of Mass Extinction Explains the Rise and Fall of the Dinosaurs, Stojanowski John