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Diabase

A synonym of 'Dolerite'
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Synonym:
A synonym of 'Dolerite'
In the United States, an intrusive rock whose main components are labradorite and pyroxene and that is characterized by ophitic texture. As originally applied by Brongniart in 1807, the term corresponded to what is now recognized as diorite. The word has come to mean a pre-Tertiary basalt in Germany, a decomposed basalt in England, and a dike-rock with ophitic texture in the United States and Canada (Johannsen, 1939).

Synonym of: dolerite

Compare with: trap


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Unique IdentifiersHide

Mindat ID:
48433 (as Diabase)
48432 (as Dolerite)
Long-form identifier:
mindat:1:1:48433:2 (as Diabase)
mindat:1:1:48432:3 (as Dolerite)

Internet Links for DiabaseHide

References for DiabaseHide

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