oligoclase是什么意思

2024-01-27 22:34:17

oligoclase

美[ɒlɪgoʊkleɪs] 英[ɒlɪgəʊkleɪs]

n. [矿]奥长石

近义词：plagioclase，

Noun

The plagioclase contains albite, oligoclase, andesine, laboratories, bytownite and anorthite. 钠长石、更长石、中长石、拉长石、培长石和钙长石属于斜长石大类。
Latites contain plagioclase feldspar (andesine or oligoclase) as large, single crystals (phenocrysts) in a fine-grained matrix of orthoclase feldspar and augite. 安粗岩中包含斜长石（中长石或奥长石），是在正长石和普通辉石组成的细粒基质中的大单晶体（斑晶）。
The Shancaoyu Formation is dominated by biotite- oligoclase granulitite,whose protolith is argillo-arenaceous sedimentary rocks containing small amounts of intermediate-acid volcanic rocks,with a zircon U-Pb concordia upper intercept age of 2498 Ma. 山草峪组以黑云更长变粒岩为主,其原岩为含少量中酸性火山岩成分的泥、砂质沉积岩,测得锆石 U-Pb一致曲线上交点年龄为2498Ma;
oligoclase"," 钠钙长石"
oligoclase albite 奥钠长石