What rocks are used in radiometric dating - How are rocks used? | Reference.com


Basalt is an extrusive rock, meaning it formed when lava cooled above the surface of the earth's crust. Basalt has a fine grain and ranges in color from dark green to grayish black. Basalt river rocks are the most frequently used stone in hot stone massages because of their ability to retain heat. Smaller basalt river rocks and pebbles are often used as filler for flower arrangements, candle holders and meditation fountains because their smooth, dark appearance lends a sophisticated look.

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What rocks are used in radiometric dating

What rocks are used in radiometric dating