A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Jet stream - an upper atmosphere wind which blows in a narrow band from west to east. http://www.srh.noaa.gov/jetstream/global/jet.htm
Joints - natural crack in a rock running vertically between bedding planes.
Jurassic -a geologic time period lasting from 208m to 144m years ago.
Juvenile water -water that originated within the earth and was brought to the surface by intrusive vulcanism.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Genius is one percent inspiration and ninety-nine percent perspiration.