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Author:
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Year:
Volume:
Issue:
yun nan xuan wei shan ruan mu de fa xian
Author(s):
YANG Yongming
Pages:
131
-
134
Year:
1984
Issue:
3
Journal:
Acta Sedimentologica Sinica
Keyword:
软木
;
宣威
;
茅口组灰岩
;
云南
;
矿化
;
钙质粉砂岩
;
峨眉山玄武岩
;
阳新灰岩
;
光衍射
;
差热曲线
;
Abstract:
<正> 1979年,作者获得一层状粘土矿物标本,多方鉴定未获结果。1981年送地质部地质研究所,经宋天锐同志肉眼鉴定为山软木矿物,建议对其进一步研究。于是进行野外考察及室内鉴定工作。工作查明,矿物产地位于云南省宣威县西泽公社拖克大队老银山南坡。矿物产在下二叠统阳新灰岩茅口组中,呈层状产出并有一定规模。经差热分析和X-光衍射分析,确认为山软木无误。云南宣威山软木的发现具有一定找矿意义。
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