The Porosity of Vesicular Basalt Is About 30%;however,when Water Is

question 1

Multiple Choice

The porosity of vesicular basalt is about 30%;however,when water is poured on it,the water does not come out the other side.How is this possible?

• A)The vesicles in basalt are filled with sediments and thus cannot hold water.
• B)The vesicles in basalt are not connected,so it has no permeability.
• C)The minerals in the basalt react chemically with the water to produce gases.
• D)Vesicular basalt is similar to a sponge and will soak up all the water.

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