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单词 leucocratic
释义

leucocratic /ˌlju:kə'krætik/

英汉-汉英词典
adj. 以浅色矿物质为主要成分的
词组 | 习惯用语
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  • democratic adj. 民主的;民主党的;大众的
  • plutocratic adj. 富豪的;有钱的
  • autocratic adj. 独裁的;专制的;独断专行的
  • democratically adv. 民主地;民主主义地
leucocratic adj. 以浅色矿物质为主要成份的
leucocratic rock 淡色岩

网络短语:
leucocratic dyke 淡色岩脉
leucocratic rocks 浅色岩
leucocratic mineral 浅色矿物
leucocratic dike 淡色岩脉
leucocratic ĥ rock 淡色岩
leucocratic E rock 淡色岩
英语百科

Felsic

A felsic volcanic lithic fragment, as seen in a petrographic microscope.  Scale box is in millimeters.
Close-up of granite from Yosemite National Park.
A specimen of rhyolite.

In geology, felsic refers to igneous rocks that are relatively rich in elements that form feldspar and quartz. It is contrasted with mafic rocks, which are relatively richer in magnesium and iron. It refers to those rocks rich in silicate minerals, magma, and rocks which are enriched in the lighter elements such as silicon, oxygen, aluminium, sodium, and potassium.

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