Chemical composition and reflectance of metacinnabar from the Oued Maden mercury mine (NW Tunisia)

被引：0
|
作者：
SlimShimi, N
Cervelle, B
Moelo, Y
机构：
[1] INST MAT NANTES,CHIM SOLIDE LAB,CNRS,UMR 110,F-44072 NANTES 03,FRANCE
[2] UNIV MARNE LA VALLEE,LAB PHYS & MECAN GEOMAT,F-93166 NOISY LE GRAND,FRANCE
来源：
COMPTES RENDUS DE L ACADEMIE DES SCIENCES SERIE II FASCICULE A-SCIENCES DE LA TERRE ET DES PLANETES | 1996年 / 323卷 / 06期
关键词：
metacinnabar; cinnabar; reflectance; Composition; Hg-(Zn; Cd); substitutions;
D O I：
暂无
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
Metacinnabar and cinnabar, as sub-millimetric crystals, are associated within polymetallic ore at the Oued Maden mercury mine. They formed during stages 3 to 5 of a complex five-stage paragenetic sequence. Electron microprobe analyses of these two sulfides reveal various Cd and Zn contents. Reflectance data of metacinnabar in air and oil indicate a decrease of the reflectance in the major part of the spectrum with increasing Zn and Cd substitutions. At Oued Maden, Cd and Zn play the same stabilizing role as Fe in other occurrences for the crystallization of metacinnabar below 345 degrees C.
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收藏
页码：459 / 465
页数：7
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