Keywords gold deposit;alkali feldspar;K feldspar;alteration;Hebei; 金矿;碱性长石;钾长石;蚀变作用;河北; a light-colored igneous rock consisting essentially of alkali feldspar 一种浅色火成岩，主要由碱长石构成 .
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K-Feldspar Flour 低钠钾长石
Na-k feldspar 钠钾长石
K-feldspar powder 钾长石粉体
K-feldspar granite 钾长花岗岩
miarolitic k feldspar 晶洞钾长花岗岩
authigenic K-feldspar 钾长石加大边
k feldspar and mica 钾长石和云母
K feldspar IRSL dating 钾长石红外释光测年
annulus stripe K-feldspar 环带条纹钾长石
The affecting factors of low value by activation energy determination include heating duration in low temperature stage, pureness of K feldspar and mixture of some plagioclase, quartz et al.
导致活化能取值偏低的影响因素包括低温阶段的加热时间、K-长石的纯度和部分斜长石、石英的混入等。
Early Yanshanian intrusions are mainly adamellite, biotite K-feldspar granite with small amount of granodiorite.
燕山早期侵入岩以二长花岗岩、黑云钾长花岗岩为主，其次为花岗闪长岩。
The ore mineral assemblage of Dayishan wollastonite deposit is complex being composed of wollastonite, diopside, idocrase, k-feldspar, albite, calcite and quartz.
大义山硅灰石矿床矿石矿物组合复杂，由硅灰石、透辉石、符山石、钾长石、钠长石、方解石、石英等组成。
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