EARTH SCIENCES - Notable Research and Discoveries Part 5 docx

... helium-3 (which has three particles in the nucleus, two protons and one neu- tron) and helium-4 (which has two protons and two neutrons in the FOS _Earth Science_DC.indd 80 2/8/10 10 :58 :34 AM 85 two ... a crescent-shaped island near Maui, Hawaii (Ron Chapple/Getty Images) FOS _Earth Science_DC.indd 76 2/8/10 10 :58 :02 AM earth ScienceS 88 Austral Islands, Tahiti, Marquesas...

Ngày tải lên: 09/08/2014, 11:20

... FOS _Earth Science_DC.indd 152 2/8/10 10 :59 :18 AM 171 anks to the work of Lawson, Reid, and numerous other research- ers, geologists now have a good idea how and why earthquakes occur. But earthquakes ... scale. Predicting Earthquakes FOS _Earth Science_DC.indd 1 65 2/8/10 10 :59 :33 AM earth ScienceS 160 shaking, though there is still danger from ying objects and bucklin...

Ngày tải lên: 09/08/2014, 11:20

... bibliographical references and index. ISBN 97 8-0 -8 16 0-7 44 2-6 (hardcover) ISBN 97 8-1 -4 38 1-2 96 8-6 (e-book) 1. Geology. 2. Earth sciences. I. Title QE501.K527 2010 55 0—dc22 2009020269 Facts On File books ... Cataloging-in-Publication Data Kirkland, Kyle. Earth sciences: notable research and discoveries / Kyle Kirkland. p. cm.—(Frontiers of scien...

Ngày tải lên: 09/08/2014, 11:20

... lithosphere, and is hot enough to deform or  ow. An important component of this  ow is a slow up -and- Two plates separate and move apart to form part of the Mid-Atlantic Ridge. FOS _Earth Science_DC.indd ... expanded their knowledge and expertise into all aspects of Earth science, environmental issues, and biological phenomena. USGS em- ploys 10,000 researchers and supp...

Ngày tải lên: 09/08/2014, 11:20

... directly on Earth s axis, but instead is a small distance away. A compass Origin and Variability of Earth s Magnetic Field FOS _Earth Science_DC.indd 37 2/8/10 10 :56 :55 AM earth ScienceS 40 page ... hypothesizes that Earth contains a metal core sur- rounded by a rocky mantle. Exploring Earth s Depths FOS _Earth Science_DC.indd 29 2/8/10 10 :56 :52 AM earth ScienceS 38...

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... in the water. Silica, the sandy mate - rial that is used for glassmaking and other applications, is a common FOS _Earth Science_DC.indd 114 2/8/10 10 :58 :59 AM earth ScienceS 102 ExPloItInG GEotHERMal ... two fluids. (continued) FOS _Earth Science_DC.indd 106 2/8/10 10 :58 :57 AM earth ScienceS 120 Ltd., an Australian energy company, completed drilling a 13,8 4 5- foot (4,22...

Ngày tải lên: 09/08/2014, 11:20

... darker and darker. And the old house is just a-vibrating like it was going to blow away. And I started trying to see my hand. And I kept bring- ing my hand up closer and closer and closer and ... of humans and other organ - isms are chemically similar to the ocean, containing large quantities of sodium and chloride ions. FOS _Earth Science_DC.indd 130 2/8/10 10 :59 :...

Ngày tải lên: 09/08/2014, 11:20

... a major earthquake may have particular patterns at particular faults, and FOS _Earth Science_DC.indd 176 2/8/10 10 :59 :48 AM earth ScienceS 190 (February 19, 2002): 2 ,51 4–2 ,52 1. e researchers ... Geological Sur- vey, and Southern California Earthquake Center. Shelly, David R., Gregory C. Beroza, Satoshi Ide. “Non-Volcanic Trem- or and Low-Frequency Earthquake Swarms.” Natur...

Ngày tải lên: 09/08/2014, 11:20

... eld electricity and 34– 35, 35 37, 43– 45, 61 Jupiter 52 Mars 51 Mercury 51 , 62 Sun 52 , 57 , 62 Venus 50 51 magnetic pole reversals 56 , 56 59 , 59 –60, 61–62, 85 magnetic poles 23–24, 44– 45 ma gnetic ... an earthquake from the size of its seismic waves; developed in 19 35 by Charles F. Rich- ter (1900– 85) and Beno Gutenberg (1889–1960) FOS _Earth Science_DC.indd...

Ngày tải lên: 09/08/2014, 11:20

... an event might cause an “ava - lanche” of rocky material and lighter elements that compose the bound- FOS _Earth Science_DC.indd 58 2/8/10 10 :57 :38 AM earth ScienceS 54 other geological formations. ... refers to the pres- ervation or record of Earth s magnetic eld in the structure of rocks and Origin and Variability of Earth s Magnetic Field FOS _Earth Science_DC.indd...

Ngày tải lên: 23/09/2012, 14:49