augite उदाहरण वाक्य
उदाहरण वाक्य
- They contain augite and olivine crystals.
- They are of trachytic appearance, containing phenocysts of sanidine, leucite, augite and biotite.
- Minerals in the Tajamar ignimbrite include biotite, hornblende, plagioclase, quartz and some augite.
- Augite, hypersthene and plagioclase are also present, with smaller contents of olivine and quartz.
- Their pyroxene is principally aegirine or aegirine-augite; some of them are rich in melanite.
- They contain anorthoclase feldspars, biotite or greenish augite, much apatite and in some cases, olivine.
- It occurs in association with enstatite, augite, niningerite, osbornite, troilite, gypsum and calcite.
- diopsidic augite and biotite : potassium-argon dating of the biotite yielded 25.7 million years.
- The former consist mainly of plagioclase, leucite and augite, while the latter contain olivine in addition.
- The pyroxene content is mostly clinopyroxene, generally augite, but small amounts of orthopyroxene may also be present.