Aquifer Media Type
http://inspire.ec.europa.eu/codelist/AquiferMediaTypeValue
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fractured
Fractured aquifers are rocks in which the groundwater moves through cracks, joints or fractures in otherwise solid rock
Examples of fractured aquifers include granite and basalt. Porous media such as sandstone may become so highly cemented or recrystallized that all of the original space is filled. In this case, the rock is no longer a porous medium. However, if it contains cracks it can still act as a fractured aquifer.
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porous
Porous media are those aquifers consisting of aggregates of individual particles such as sand or gravel. and the groundwater flow occurs in and moves through the openings between the individual grains.
Porous media where the grains are not connected to each other are considered unconsolidated. If the grains are cemented together, such aquifers are called consolidated. Sandstones are examples of consolidated porous media.
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karstic
Karstic aquifers are fractured aquifers where the cracks and fractures have been enlarged by solution, forming large channels or even caverns.
Limestone terrain where solution has been very active is termed karst.
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compound
A combination of a porous, karstic and/or fractured aquifer
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karstic and fractured
A combination of both karstic and fractured aquifer
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porous and fractured
A combination of both porous and fractured aquifer
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other
Aquifer is other then fractured, porous or karstic.
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