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norite punika mafic intrusive igneous rock dumadi umumé saka calcium-sugih plagioclase labradorite, orthopyroxene, lan olivine
saka jeneng norwegian kanggo norway, Norge
rock grained coarse, rock opaque
chert punika hard, peteng, opaque rock sedimentary kang dumadi saka silika karo susunan nggoleki-grained amorf
saka quartz Flint-kaya, 1670s, diweruhi origin- istilah lokal, kang wis dijupuk menyang nggunakake geologi
rock grained nggoleki, rock opaque