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Details if other :. Thanks for telling us about the problem. Return to Book Page. Earth's Hidden Treasures by Sandra Downs.
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This is not a gem handbook. Written in an accessible and scientific manner, this book introduces readers to Earth's minerals, including their formation, their properties, and how to identify them. From the Moh's scale to pegmatite, radioluminescence to gabbro, even the most reluctant readers will be captivated. Next, the crust of the continent must be thicker and less dense than the oceanic crust.
New 'Treasure Map' Shows Where Earth's Oldest Water Is Hidden Underground
Finally, and one of the most obvious check boxes, your new continent must actually be large enough to call itself a continent officially. Zealandia meets all these criteria. Now that you officially know Zelandia is a continent, it is time to get to the basics.
Sitting comfortably submerged next to Australia, Zealandia is relevant beyond just being a newly discovered land mass. Zealandia has a land mass of approximately 4. Interestingly, these areas include parts of New Zealand, New Caledonia, and the Ball's Pyramid; a volcano that was formed 6. Almost the same size as the Indian subcontinent, it is believed that Zealandia sank into the ocean somewhere between 60 to 85 million years ago, making a break away from the landmass Gondwana, an area that was once part of Australia. Due to the efforts made by scientists in , the scientific community has fully embraced Zealandia as a continent.
In September of that year, 32 scientists from 12 different countries took a two-month expedition to the landmass. The team studied Zealandia to see what the unknown continent has to offer.
Earth’s Hidden Treasures
Scientists drilled deep into the seabed to collect 2, meters of sediment samples over six areas at a depth of 1, meters. More information about this seller Contact this seller. Sandra Downs.
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Publisher: 21st Century , This specific ISBN edition is currently not available. View all copies of this ISBN edition:.
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Synopsis About this title Explains what rocks, minerals, and gemstones are found on the Earth and how they are used by people "synopsis" may belong to another edition of this title. From the Publisher : This is not a gem handbook. From the Author : I started appreciating minerals at age three by picking up the "pretty rocks" in my backyard-quartz, calcite, and a jasper puddingstone conglomerate unique to my hometown of West Milford, NJ. Buy New View Book.
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