贵州凯里龙井街发现火山岩屑重砂异常

Discovery on Placer Abnormal of Volcanic Lithoclast at Longjingjie in Kaili of Guizhou

贵州凯里龙井街火山岩屑重砂异常位于区域性施洞口深大断裂近旁 ,异常物质为黑曜岩屑及火山玻璃。它的存在 ,显示了施洞口断裂带附近 ,挽近地质时期曾有酸性火山喷发活动 。

Placer Abnormal of Volcanic lithoclast at Longjingjie in Kaili of Guizhou locates in regional Shidongkou deep and major fault nearby, abnormal materials that are obsidian lithoclast and volcanic glass. Its existing shows that neighborhood of Shidongkou fault zone once arises acid volcanic eruption in neoid period and provides new important information with basic geological study of Guizhou. [