Definition of spilite in English:
spilite
noun ˈspʌɪlʌɪtˈspɪlʌɪtˈspīlīt
mass nounGeology An altered form of basalt, rich in albite and commonly amygdaloidal in texture, typical of basaltic lava solidified under water.
mass noun spilite occurs in pillow lavas
count noun the spilites in the Llanelwedd quarry
Derivatives
adjective spʌɪˈlɪtɪk
Geology We saw spilitic vesicular basalts and rhyolites at Giants Cave.
Example sentencesExamples
- It is not known if these xenoliths are spilitic.
- The spilitic basalt associated with chert found in the vicinity of Rio Tuba belongs to the sediments of this period.
- As will be shown in the mineralogy section of this paper, the spilitic rocks are characterised by fresh augite, albitic feldspar, and an abundant development of epidote and pumpellyite.
- EA 37 is characterized by having a more clay-rich matrix with abundant inclusions of weathered spilitic basalt, lime stone, low-grade metamorphic greywacke, quartz and flint.
Origin
Mid 19th century: from French spillite, from Greek spilos 'spot, stain'.