A sample of Basalt, a dark-coloured, fine-grained, igneous rock composed mainly of plagioclase and pyroxene minerals. Dated 21st Century

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Photo credit: © World History Archive / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: archival, archive, basalt, century, fine, grain, grained, grainedgraingrainedigneous, historical, history, rockigneousplagioclasepyroxenemineralsmineralnaturenaturalgeology21st, sample, samplebasaltfine