EXAM REVIEW - Review Questions 4:03:00 PM You examine two...

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Review Questions 11/12/2007 17:03:00 You examine two mineral specimens and find mineral A dissolves readily in  water and mineral B apparently does not. What can you predict from this observation? Mineral A has a large degree of ionic bonding in it’s structure Which kind of minerals makes up the greatest volume of rocks (the so-called  rock-forming minerals)? Silicate Minerals If Silicate minerals form the major part of the most rocks, what elements would  you predict are the most abundant elements in Earth’s crust and mantle? Silicon and Oxygen True or False: If tow different minerals have the same chemical composition, one  can correctly predict that they will have the same physical properties. False, if they have the same composition but different physical properties it is  called a polymorph Graphite and Diamond have very different value and uses in our society. What  gives these minerals such different physical properties? Differences in bonding and internal structure  What kind of boundary is the lithosphere-asthenosphere boundary? A temperature/pressure boundary If a continental plate collides with another continental plate, what would you  expect to see? Slow rising and deforming mountains Which of the following can be used to identify convergent boundaries involving at  least on oceanic plate? Deep trenches  New Oceanic Crust is crated at ______________? Divergent boundaries by upwelling magma The atomic number of an element indicates the number of __________? Protons 
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An element of the left side of the periodic table will tend to form a(n)? Caption Which kind of atomic bonding in minerals is characterized by the sharing of  electrons? Covalent bonding Quartz has a harness of 7, while halite has a harness of 4. Which would you  predict to have the greatest proportion of covalent bonding in it’s internal structure? Quartz has more covalent bonding Geological Time Scale (7.9) Archean Era o Contain primitive micro life  o Proterozoic Era o Phanerozoic Era Youngest about 542 million  Periods of the Phanerozoic Subdivided into Epochs (Cenozoic) or stages (Paleozoic  and Mesozoic) Paleozoic Early land plants Marine Life Reptiles Amphibians Mesozoic  Dinos
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Mammals Flowers Cenozoic Grasses Grazing mammals Paleogene and Neogene divided into 7 epochs Paleistocene (last 1.8 million years) Holocene (most recent – Last 10,000 years) Where would one expect to find the oldest oceanic lithosphere on any given  lithospheric plate?
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