Minerals & Gemstone 480x104
Minerals & Gemstone 480x104
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Glossary of Terms
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 ALL



Diabase
Intrusive igneous rock that is composed of fine-grained substance. Diabase is mafic in nature, and forms as sills and dikes.



The Palisades Along the New York/New Jersey State Border is made of Diabase.

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