Limestone - Wikipedia, the free encyclopedia
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Limestone is a sedimentary rock composed largely of the mineral calcite (calcium carbonate: CaCO 3 ). The deposition of limestone strata is often a by-product and indicator of biological activity i...
en.wikipedia.org/wiki/Limestone
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Why do caves form only in certain typs of rock? Caves most commonly form in what types of rock? What kind of rock in many caves in the eastern US? The caves which are found the first human artifacts? What rock is found in oregon caves national monument?
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wiki.answers.com/Q/What_rock_is_found_in_caves
wiki.answers.com/Q/What_rock_is_found_in_caves
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Such caves are commonly found in places where lava has flowed recently (in geological terms), such as Hawaii and the western U.S. The longest lava cave is Kazumura Cave in Hawaii, a cave system that is almost 30 miles long. ... Choose another way that caves can form.
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www.pbs.org/wgbh/nova/caves/form_lava.html
www.pbs.org/wgbh/nova/caves/form_lava.html
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Sea caves are typically found in sandstone but also appear in other types of sedimentary rock, including limestone. They are less commonly formed in harder rock such as granite. Choose another way that caves can form.
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www.pbs.org/wgbh/nova/caves/media/form.swf
www.pbs.org/wgbh/nova/caves/media/form.swf
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Caves most commonly form in areas of limestone or dolomite rock. Areas with caves and sinkholes are called Karst landscapes. Most caves in Illinois are less than 3 million years old. In glaciated areas, caves tend to be young.
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www.museum.state.il.us/exhibits/changes/rma_curKA_mc.sw...
www.museum.state.il.us/exhibits/changes/rma_curKA_mc.swf
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How Caves Form ... Caves commonly known as "wind caves," such as the one in Wind Cave National Park in South Dakota, are named not for the mode of origin of the cave but for the strong air currents that alternately blow in or out of the cave as the atmospheric pressure changes.
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www.nature.nps.gov/geology/usgsnps/cave/cave.html
www.nature.nps.gov/geology/usgsnps/cave/cave.html
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A. True B. False 32. The Mississippi River is North America's largest river in terms of discharge. A. True B. False 33. The velocity necessary for a stream to lift clay-sized particles ... A. southeast B. Midwest C. west D. northeast 50. Caves most commonly form in: A. limestone B. sandstone C. dolomite D. granite E. shale...
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Caves commonly known as "wind caves," such as the one in Wind Cave National Park in South Dakota, are named not for the mode of origin of the cave but for the strong air currents that alternately blow in or out of the cave as the atmospheric pressure changes. ... How Caves Form; The melt-water streams draining out along...
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www.desertusa.com/geofacts/caves.html
www.desertusa.com/geofacts/caves.html
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How Do Caves Form? ; The term “cave” refers to a natural opening, usually in rocks, that is large enough for human entry (Gunn, 2004). There are several different types of caves: volcanic, glacier, crevice, erosion, and solution.
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www.esi.utexas.edu/outreach/caves/caves.php
www.esi.utexas.edu/outreach/caves/caves.php
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