Assertion: basalt's mineral | /r/HasProperty | pyroxene
Facets:
value: mainly
type: DEGREE
Source sentences:
text: Its chief minerals are feldspar, pyroxene, olivine, and iron oxides.
text: The first minerals to form in this ocean were the iron and magnesium silicates olivine and pyroxene.
text: White is plagioclase feldspar (although transformed by high-pressure shock to glass), dark mineral is pyroxene, and black is titanium-bearing magnetite (iron oxide).
text: In addition, TES and other spectral instruments show that the dominant minerals on the surface of Mars are pyroxene, plagioclase, and olivine, the minerals that make up basalt.
text: The minerals that form the basis for the construction of basalt are mainly: plagioclases and pyroxenes, followed by amphiboles, melilite, biotite, quartz, tridymite or cristobalite.