The Age of the Earth
This is a definitive, masterly history and synthesis of all that has been said (by theologians and scientists) and is known (to science) about the question, How old is the Earth? It explains in a simple and straightforward way the evidence and logic that have led scientists to conclude that the Earth and the other parts of the Solar System are not several thousand years old, as some today would have it, but four and one-half billion years old.
It is a fascinating story, but not so simple as single measurement. Our universe is a large, old, and complicated place. Earth and other bodies have endured a long and sometimes violent history, the events of which have frequently obscured the record that we seek to decipher. Although in detail the journey into Earth's past requires considerable scientific skill, knowledge, and imagination, the story is not so complicated that it cannot be explained to someone who wants to know and understand the basic evidence. This book, then, has been written for people with some modest background in science, but at a level that will allow the material to be useful and accessible to those without a deep knowledge of geology or physics or mathematics.
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Allegre Amitsoq gneisses anorthosite Apollo Apollo 17 Archean asteroids atoms basins breccia calculated Canyon Diablo carbonaceous chondrites chemical clast Collerson craters crust crystallization decay constants deposits determined diagram Earth and Planetary elements Equation estimate eucrite evolution felsic formation formed Galaxy Geological gneisses granitoid Greenland greenstone belts growth curve half-lives heat highland Holmes Hubble igneous impact initial iron meteorites isochron isochron age isotopic isotopic composition Isua K-Ar Kelvin lead isotopes lunar lunar rocks mafic mare basalts measurements metamorphism method minerals model ages Moon Moorbath neutrons nuclides ocean oldest orbit origin Papanastassiou parent bodies Pb-Pb Pilbara Pilbara Block Planetary Science Letters planets Pluton Precambrian r-process radioactive radiometric ages radiometric dating ratio Rb-Sr Rb-Sr ages Rb-Sr isochron samples sedimentary rocks sediments single-stage Sm-Nd Solar System stars supracrustal surface Table Tatsumoto temperature terrestrial tion troilite types U-Pb universe volcanic Wasserburg whole-rock wr Ar-Ar zircon