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Diamond is the record-setter in many mineralogical properties such as hardness, diffusivity, thermal conductivity, purity, and covalency of bonding. Similarly, diamond, as the premier gemstone of the mantle holds primacy for geological features such as age and depth of origin. Diamond was among the first crystalline structures to be solved by X-ray diffraction and the first materials measured for their Raman spectrum. At more than 80 billion USD in yearly commercial value, diamond sets the record for the most traded, valuable mineral on the planet. Despite its chemical simplicity, diamond has been the object of more research effort, and had more scientific and popular press pages written about it, than any other mineral.
This extensively updated new edition of the widely acclaimed Treatise on Geochemistry has increased its coverage beyond the wide range of geochemical subject areas in the first edition, with five new volumes which include: the history of the atmosphere, geochemistry of mineral deposits, archaeology and anthropology, organic geochemistry and analytical geochemistry. In addition, the original Volume 1 on "Meteorites, Comets, and Planets" was expanded into two separate volumes dealing with meteorites and planets, respectively. These additions increased the number of volumes in the Treatise from 9 to 15 with the index/appendices volume remaining as the last volume (Volume 16). Each of the origin...
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From 1933 until America's entry into World War II in 1941, nearly 500 Nazi films were shown in American theaters, accounting for nearly half of all foreign language film imports during the period. These poorly disguised propaganda films were produced by Germany's top studios and featured prominent pro-German and Nazi actors, directors and technicians. The films were replete with overt and covert anti-Jewish imagery and themes, but in spite of this obvious intent to use the medium to justify Nazi ascendancy, viewers and film critics from such prominent publications as the New York Times, Variety, the Washington Post and the Chicago Times consistently overlooked the films' anti-Semitic message...
本书讲述了地球46亿年的传记。作者通过自己多年研究、考察的经验,生动地讲述了地球进化的故事,提出了震动科学界的地球理论:大部分矿物是生命活动的产物。这种矿物一生物共同进化理论认为,地球出现了生物之后,生物通过自己的生命活动,大大改变了地表形态,改变了地壳矿物的组成,目前发现的五千种矿物中,有超过三分之二是离不开生物作用的,这也就说明了为什么地球是太阳系中矿物种类最丰富的星球。
Polls show almost half of US adults believe that Earth is only 10,000 years old, whereas scientists consider our planet to be 4.56 billion years old. Examining these conflicting views illuminates aspects of the perceived conflict between religion and science, and helps us understand the battles between “evolutionist” and “creationist” advocates. This book examines how we approach knowledge, and how we look at certainty. It disentangles the threads of the traditional knowledge we are taught from the knowledge we gain from our own investigation of truth. It argues that nature, the basis of science, and scripture, the basis of religion, derive from a single source. Because of their shar...
"Inspired by a GSA Penrose Conference held in Lander, Wyoming, June 14-18, 2006, this volume discusses the beginning and evolution of plate tectonics on Earth, and gives readers an introduction to some of the uncertainties and controversies related to the evolution of the planet. In the first three sections of the book, which cover isotopic, geochemical, metamorphic, mineralization, and mantle geodynamic constraints, a variety of papers address the question of when "modern-style" plate tectonics began on planet Earth. The next set of papers focuses on the geodynamic or geophysical constraints for the beginning of plate tectonics. The volume's final section synthesizes a broad range of evidence, from planetary analogues and geodynamic modeling, to Earth's preserved geologic record. This work provides an excellent graduate level text summarizing the current state of knowledge and will be of interest to a wide range of earth and planetary scientists."--Publisher's website.