摘要
贵阳花溪地区在中三叠世晚期为地表暴露期,遭受地表喀斯特化成岩作用较强。垄头组上部的渗流豆、鸟眼构造、帐篷构造、微型钟乳石发育,在台地边缘带形成钙质风化壳。本文通过分析古喀斯特微型钟乳石的沉积特征和成因机制,认为是地表淡水渗流形成。
Huaxi area exposed to air during the Middle Triassic.Vadose pisolte,birdeye structure,teepee structure and micro-stalaxtite formed in upper Longtou formation,and also developed a calcareous weathering crust.This paper thinks that the micro-stalactite is fresh-water sediments from which sedimentary features and genesis.
出处
《内蒙古石油化工》
CAS
2010年第23期149-150,共2页
Inner Mongolia Petrochemical Industry
关键词
中三叠统
垄头组
微型钟乳石
贵阳
Middle Triassic
Longtou Formation
Micro-stalactite
Guiyang
