Epidote sentence example

epidote
  • Often they contain quartz and felspar, sometimes pyroxene, amphibole, garnet or epidote.
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  • Some of the "porphyroids" which have grains of quartz and felspar in a finely schistose micaceous matrix are intermediate between porphyries and micaschists of this group. Still more numerous are orthoschists of hornblendic character (hornblende-schists) consisting of green hornblende with often felspar, quartz and sphene (also rutile, garnet, epidote or zoisite, biotite and iron oxides).
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  • Other minerals which occur in the rocks of this group are calcite, garnet, biotite, chloritoid, epidote, tourmaline and graphite or dark carbonaceous materials.
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  • The copper is also accompanied by epidote, calcite, prehnite, analcite and other zeolitic minerals.
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  • The neighbourhood is remarkable for the number of beautiful and rare minerals found there; one of these, a variety of epidote, was formerly called Arendalite.
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  • Further local retrograde metamorphism (possibly by dislocation) has resulted in the formation of epidote.
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  • The Dalradian comprises quartzose schists, grits, limestone beds and the " green beds " (chlorite epidote schists ).
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