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Much of the Earth's continental crust is composed of metamorphic and igneous rocks. Together, these two rock types form the base material at the core of the Earth's major continental masses. Overlying this core are often thick layers of sedimentary rocks.
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www.physicalgeography.net/fundamentals/10g.html
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Slide 20 of 29...
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www.science.sjsu.edu/scied/255/ppt/superposition/sld020...
www.science.sjsu.edu/scied/255/ppt/superposition/sld020.htm
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Fossils are found only in sedimentary rocks ... Rocks may appear layered ... Back to first slide...
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www.science.sjsu.edu/scied/255/ppt/superposition/tsld02...
www.science.sjsu.edu/scied/255/ppt/superposition/tsld020.htm
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These layers are very helpful in identifying sedimentary rocks. Some other characteristics that sedimentary rocks have are rounded particle, fossils and a dull (earthy) appearance. The chart on page 7 of your reference tables will help you understand more about sedimentary rocks.
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regentsprep.org/Regents/earthsci/sedrocks.htm
regentsprep.org/Regents/earthsci/sedrocks.htm
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Below is a summary of the major characteristics of sedimentary rocks. ... Here's a checklist of some common sedimentary rocks and their characteristics. Look for these same characteristics in the rocks you find, and you'll be well on your way to becoming a rockhound.
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library.thinkquest.org/J002289/sed.html
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A photo gallery of sedimentary rocks by Geology.com ... Sedimentary rocks are formed by the accumulation of sediments. There are three basic types of sedimentary rocks: 1) clastic sedimentary rocks such as breccia, conglomerate, sandstone and shale, that are formed from mechanical weathering debris;
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geology.com/rocks/sedimentary-rocks.shtml
geology.com/rocks/sedimentary-rocks.shtml
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Petroleum geochemistry in the Neogene sedimentary basin of Japan, with special reference to primary migration; Journal of the Geological Society, June 1, 1983; 140(3): 475 - 487. [Abstract] [PDF];
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aapgbull.geoscienceworld.org/cgi/content/abstract/63/1/...
aapgbull.geoscienceworld.org/cgi/content/abstract/63/1/87
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The properties of sedimentary rocks are introduced in this illustrated section from an online textbook (Fundamentals of Physical Geography, Michael Pidwirny, University of British Columbia Okanagan, Canada). Key terms are linked to definitions in ... › Characteristics of Sedimentary Rocks : Introduction to the Lithosphere...
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www.intute.ac.uk/sciences/cgi-bin/fullrecord.pl?handle=...
www.intute.ac.uk/sciences/cgi-bin/fullrecord.pl?handle=200357-112241
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