What metamorphic rock is formed from shale? How do metamorphic rocks reach Earth's surface? What are the characteristics of igneous rocks? How are sedimentary rock layers deposited? How can you tell igneous and metamorphic rocks apart? How is basaltic magma transformed into felsic magma?
How is a trace fossil formed? How are fossils found in sedimentary rocks? How are fossils preserved in shale? What are fossils made of? How are trace body and cast fossils formed? The most common fossils are fossils of How are trace fossils of animal burrows formed? How would gradualism ...
Oil Shale Find Other Topics on Geology.com: Rocks: Galleries of igneous, sedimentary and metamorphic rock photos with descriptions. Minerals: Information about ore minerals, gem materials and rock-forming minerals. Volcanoes: Articles about volcanoes, volcanic hazards and eruptions past and present. Ge...
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Shale Definition Afissilerockcomposedoflayersofclaylike,fine-grainedsediments. from The American Heritage Dictionary of the English Language, 4th Edition Afissilerockthat isformedby theconsolidationofclay,mud, orsilt, has afinelystratifiedorlaminatedstructure, and iscomposedofmineralsessentiallyunalteredsincede...
HARBIN, Sept. 5 (Xinhua) -- In the hills about 35 km southwest of Baoqing County in northeast China's Heilongjiang Province, there is a small lake sparkling vivid green in the sunshine, just like an emerald. It's hard to believe it was once an abandoned shale mine pit before seeing th...
Differential erosion is erosion that occurs at varying speeds, due to differences in the resistance and hardness of materials; soft rocks erode faster than hard rocks. Niagara Falls formed this way when a hard, upper layer of limestone eroded more slowly than a lower, softer shale. ...
These are composed of fragments of rocks which were transported from the source by mechanical means, deposited and subsequently compacted,e.g.sandstone, conglomerate and shale. Chemical sedimentary rocks: These is formed when chemicals dissolved from the rocks are carried in solution to other areas ...
Shale is clay that has been hardened and turned into rock. It often breaks apart in large flat sections. Limestone is a rock that contains many fossils and is made of calcium carbonate &/or microscopic shells. Gypsum, common salt or Epsom salt is found where sea water precipitates the salt...
What metamorphic rock is formed from shale? What are the layers of the Earth's crust? How are extrusive rocks formed? How many types of tectonic plates are there? How many mountains make up the Rocky Mountains? How much does the Earth's crust weigh?