- Age Range: 9 and up
- Grade Level: 4 - 6
- Series: Exploring Planet Earth
- Library Binding: 64 pages
- Publisher: 21st Century (October 1, 1999)
- Language: English
- ISBN-10: 0761314113
- ISBN-13: 978-0761314110
- Product Dimensions: 8.8 x 0.5 x 10.5 inches
- Shipping Weight: 13.3 ounces
- Average Customer Review: Be the first to review this item
- Amazon Best Sellers Rank: #12,103,598 in Books (See Top 100 in Books)
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Earth'S Hidden Treasures, The (Exploring Planet Earth) Library Binding – October 1, 1999
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From School Library Journal
Grade 6-9-Going beyond the general presentation of rocks and minerals found in most volumes for young people, Downs addresses the earth's ability to form and re-form its limited resources. Some previous knowledge is needed to appreciate the information presented here, but this title is a good stepping-off point for readers fascinated by the infinite possibilities of rock formation. The basics of crystallography, color, florescence, paramorphs, and pseudomorphs are explained. Chapters on the work of geologists and a brief history of humankind's use of the earth's mineral wealth complete the coverage. Boxed sidebars include such topics as writings about mineralogy, the Mohs scale, and pigments. This slim volume is further enhanced by well-reproduced photographs and extensive back matter that includes a listing of natural-history museums and mines to visit.
Kathryn Kosiorek, Cuyahoga County Public Library, Brooklyn, OH
Copyright 2000 Reed Business Information, Inc.
From the Publisher
This is not a gem handbook. Written in an accessible and scientific manner, this book introduces reader's to Earth's minerals, including their formation, their properties, and how to identify them. From the Moh's Scale to pegmatites, radioluminscence to gabbro, even the most reluctant readers will be captivated.
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