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Earth's hidden treasures / Sandra Downs.
Τύπος υλικού:
ΚείμενοΣειρά: Friend, Sandra. Exploring planet earth ; Λεπτομέρειες δημοσίευσης: Brookfield, Conn. : Twenty-First Century Books, 1999.Περιγραφή: 1 online resource (64 pages) : color illustrationsΤύπος περιεχομένου: - text
- computer
- online resource
- 0585265909
- 9780585265902
- 549 21
- QE365.2 .D68 1999eb
Περιεχόμενα:
Περίληψη: Explains what rocks, minerals, and gemstones are found on the earth and how they are used by people.
Preface: Treasures We Take for Granted 9 -- 1 The Earth Gives Birth 11 -- 2 The Elements Take Shape 15 -- 3 A Colorful Equation 23 -- 4 Making a Deposit 31 -- 5 Tracking Hidden Treasure 41 -- 6 A Legacy of Minerals 48.
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Includes bibliographical references (pages 57-61) and index.
Explains what rocks, minerals, and gemstones are found on the earth and how they are used by people.
Preface: Treasures We Take for Granted 9 -- 1 The Earth Gives Birth 11 -- 2 The Elements Take Shape 15 -- 3 A Colorful Equation 23 -- 4 Making a Deposit 31 -- 5 Tracking Hidden Treasure 41 -- 6 A Legacy of Minerals 48.
Print version record.
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