variolitic


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variolitic

[¦ver·ē·ə¦lid·ik]
(petrology)
Referring to the texture of basic igneous rock composed of varioles in a finer-grained matrix.
References in periodicals archive ?
The gold mineralization occurs primarily within multiple quartz carbonate brecciated zones hosted within bleached units of variolitic mafic volcanics and other parallel hanging wall and foot wall gold mineralized zones.
Mineralization in the 147 Zone occurs mainly within multiple quartz and carbonate healed brecciated zones within bleached units of variolitic mafic volcanics.
The mineralization marks the contact of overlying andesites and underlying felsic volcanic rocks which include sections of chert and brecciated and variolitic flows.