Advertisement
Advertisement
groundmass
[ ground-mas ]
noun
- the crystalline, granular, or glassy base or matrix of a porphyritic or other igneous rock, in which the more prominent crystals are embedded.
groundmass
/ 藞伞谤补蕣苍诲藢尘忙蝉 /
noun
- the matrix of igneous rocks, such as porphyry, in which larger crystals (phenocrysts) are embedded
Discover More
亚洲网紅露点 History and Origins
Origin of groundmass1
Discover More
Example Sentences
Examples have not been reviewed.
The groundmass they're in speaks of fairly rapid cooling and low pressure conditions.
From
Olivine rarely occurs as an ingredient of the groundmass.
From
Pyroxene, quartz and augite form the groundmass, as seen in section.聽
From
Advertisement
Advertisement
Advertisement
Advertisement
Browse