Schist
Автор:
Jesse Russell,Ronald Cohn, издатель:
"VSD", ISBN:
978-5-5118-7120-2
High Quality Content by WIKIPEDIA articles! The schists constitute a group of medium-grade metamorphic rocks, chiefly notable for the preponderance of lamellar minerals such as micas, chlorite, talc, hornblende, graphite, and others. Quartz often occurs in
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