How is shale form

How is shale form

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Siltstone and shale are sedimentary rocks formed in ancient marine environments. They are "mudrocks" composed of silt and clay particles slowly deposited

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Shale is formed as a result of many processes. The first process involves the weathering and erosion of existing silicate rock, usually igneous or metamorphic in Oil shale was formed millions of years ago by deposition of silt and organic debris on lake beds and sea bottoms. Over long periods of time, heat and pressure Clay forms from the decomposition of the mineral feldspar. Other minerals present in shale are quartz, mica, pyrite, and organic matter. Shale forms in very deep

Shales are often found with layers of sandstone or limestone. They typically form in environments where muds, silts, and other sediments were deposited by May 9, 2008 - Best Answer: Shale is formed by the silt and deposition of fine clay material, clay being one of the most common rock sediments , behind quartzThe place where this hydrocarbon forms is called the source rock and in the UK (and in most other places) these are what we call SHALES, very fine-grained, Shale forms from the pressure of layers of sediment compressing bits of silt that settle into the clay on the bottom of bodies of water. The compressed clay and silt

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