英:['fi:nəˌkrɪst]
美:['finəˌkrɪst]
英:['fi:nəˌkrɪst]
美:['finəˌkrɪst]
phe·no·cryst
fi n krihst [or] fe n krihst
phenocrystic (adj.)
noun
a large and usu. conspicuous crystal embedded in volcanic rock containing many such crystals.
斑晶
French phénocryste, from Greek phainein to show + krystallos crystal — more at fancy
The first known use of phenocryst was in 1889
1 The results show that the TL signals of pumice and sanidine phenocryst have better thermal-stability, so they can be used for TL dating.
结果表明,浮岩和透长石的TL信号具有良好的热稳定性,适用于TL测年。
2 Theearly stage comprises fine grain adamellite and medium coarse grained porphyritic adamellite, while the late stage, it consists of medium grain adamellite with huge phenocryst.
晚期由斑状中粗粒二长花岗岩、巨斑状中粒二长花岗岩构成。
3 The phenocryst in this image has a core of biotite mica, already betraying the complex history of magma at Aucanquilcha.