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C dating groundwater

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Geological Society of America Bulletin is a leading international journal for major scholarly research in all branches of the earth sciences. Published continuously since Full-text available for all issues. Submit Author Information. Visit our website to learn about our new member benefits, including free access to the Millennium Edition powered by Geofacets and discounts on other GSA products. Sign In or Create an Account.

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The chemical compound trichloroethylene is a halocarbon commonly used as an industrial solvent. It is a clear, colourless non-flammable liquid with a chloroform -like [1] sweet smell. It should not be confused with the similar 1,1,1-trichloroethane , which is commonly known as chlorothene. It has been sold under a variety of trade names.

14.1 Groundwater and Aquifers

Groundwater is stored in the open spaces within rocks and within unconsolidated sediments. Rocks and sediments near the surface are under less pressure than those at significant depth and therefore tend to have more open space. Some municipal, agricultural, and industrial groundwater users get their water from greater depth, but deeper groundwater tends to be of lower quality than shallow groundwater, so there is a limit as to how deep we can go. Porosity is the percentage of open space within an unconsolidated sediment or a rock. Primary porosity is represented by the spaces between grains in a sediment or sedimentary rock.
Groundwater is the water present beneath Earth 's surface in soil pore spaces and in the fractures of rock formations. A unit of rock or an unconsolidated deposit is called an aquifer when it can yield a usable quantity of water. The depth at which soil pore spaces or fractures and voids in rock become completely saturated with water is called the water table.
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