variolitic


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var·i·o·lite

 (vâr′ē-ə-līt′, văr′-)
n.
A basic rock whose pockmarked appearance is caused by the presence of numerous white, rounded, embedded spherules.

var′i·o·lit′ic (-lĭt′ĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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References in periodicals archive ?
Arndt N.T., and Fowler, A.D., 2004, Textures in komatiites and variolitic basalts, in Eriksson, P.G., Altermann, W., Nelson, D.R., Mueller, W.U.