摘要
通过野外调查、室内镜下观察、化学分析、光谱分析等综合研究后认为 :梅岭玉是透闪石族的软玉 ,有白玉、青白玉、青玉等品种。矿床是多种成因的 ,其中以透闪石矿物为主的梅岭白玉是接触交代变质作用形成的 ,以钠透闪石矿物为主的青玉形成较晚 ,是由“玉浆”贯入后 。
Meiling jade belongs to tremolite jade series, which can be classified as white jade, grey\|white jade, and grey jade. The mineralogical and metallogenic features of Meiling jade have been studied on the bases of field work, microscopic observation , chemical and spectrum analyses. The results show that the mineral compositions of white jade and grey jade are mainly tremolite and Na\|enriched tremolite respectively. It can be deduced that white jade was formed under the condition of contact metasomatism, whereas grey jade was the injected mass of 'jade liquid' under the condition of low pressure and high temperature, formed later than white jade.
出处
《岩石矿物学杂志》
CAS
CSCD
北大核心
2002年第z1期105-109,共5页
Acta Petrologica et Mineralogica
关键词
梅岭玉
透闪石
钠透闪石
玉浆
多种成因
江苏
Meiling jade
tremolite
Na\|enriched tremolite
metallogeny
Jiangsu
