eutaxitic


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eutaxitic

[¦yü·tak′sid·ik]
(petrology)
Referring to the banded appearance in certain extrusive rocks, resulting from the layering of different textures, materials, or colors.
References in periodicals archive ?
The petrogenesis of reddish brown horizon clearly exhibits the presence of a glassy matrix with discontinous pattern of laminations indicating a eutaxitic texture (Fig.7).
The dated sample is a fine-grained flow-banded rhyolitic flow with well-developed eutaxitic and locally spherulitic texture.