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Trachybasalt

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About TrachybasaltHide

A alkaline/basic extrusive rock intermediate in composition between trachyte and basalt, difficult to define without the TAS diagram. Characterized by the presence of both calcic plagioclase and alkali feldspar, along with clinopyroxene, olivine, and possibly minor analcime or leucite. Approx. synonymous with hawaiite.

Ref: AGI



Classification of TrachybasaltHide

Trachybasalt is found in field S1 in the TAS diagram.

Sub-divisions of TrachybasaltHide

References for TrachybasaltHide

Reference List:
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Klaus K.E. Neuendorf, James P. Mehl, Jr., and Julia A. Jackson (Editors), 2017. Glossary of Geology. Fifth REVISED edition. American Geological Institute (abbreviated as AGI).

Internet Links for TrachybasaltHide

Mineral and/or Locality  
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