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Author
Series
Language
English
Description
A "superbly written, richly illustrated" guide to the animals who lived 450 million years ago-in the fossil-rich area where Cincinnati, Ohio now stands (Rocks & Minerals).
The region around Cincinnati, Ohio, is known throughout the world for the abundant and beautiful fossils found in limestones and shales that were deposited as sediments on the sea floor during the Ordovician Period, about 450 million years ago-some 250 million years before the...
Author
Series
Language
English
Description
This guide to the South Dakota region that houses the world's richest fossil beds does "an excellent job of presenting the current state of knowledge" (Choice).
The forbidding Big Badlands in Western South Dakota contain the richest fossil beds in the world. Even today these rocks continue to yield new specimens brought to light by snowmelt and rain washing away soft rock deposited on a floodplain long ago. The quality and quantity of the fossils...
Author
Language
English
Description
This fascicle describes the background of the Franchthi project and its excavation history and methodology. Particle size, mineralogy, and chemistry are all taken into consideration as the cultural remains and the sediments from the cave are analyzed to determine their origin and history. William Farrand constructs an integrated stratigraphy for the entire cave using excavators' notes, laboratory analyses, and personal field data to correlate sequences...
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