从定量岩相古地理学谈华南地区海相地层油气勘探

华南地区海相地层分布甚广，震旦系、寒武系、奥陶系、志留系、泥盆系、石炭系、二叠系以及下和中三叠统几乎全为海相地层。但是，除四川地区外，广大华南地区海相地层油气勘探工作却久攻不下。这是一个严重问题。失败为成功之母，最重要的是认识这个失败。本文在华南地区寒武纪和奥陶纪定量岩相古地理研究及编图成果的基础上，指出江南盆地、扬子盆地、扬子北缘盆地等是重要的生油气古地理环境。如果能以基础地质学尤其是以定量岩相古地理学研究为基础，以生油气古地理环境为中心或前提，开展油气勘探工作，则华南地区海相地层的油气勘探有可能有所突破。这对华南地区油气勘探工作可能是一个战略性的转变。希决策者明察、深思和善断。

Discussion on petroleum exploration of marine strata in South China from quantitative lithofacies palaeogeography

The marine strata,such as the Sinian,Cambrian,Ordovician,Silurian,Devonian,Carboniferous,Permian and Lower and Middle Triassic,are widespread in South China.But,except for Sichuan area,the breakthrough in petroleum exploration of these marine strata in South China has not been made till today.This is a serious problem.Failure is the mother of success.To understand the failure is the most important thing.On the basis of quantitative lithofacies palaeogeography of the Cambrian and Ordovician in South China,the author points out that the Jiangnan Basin,Yangtze Basin,North Margin Basin of Yangtze Platform,etc.,are the important oil and gas generating palaeogeographical environments.With fundamental geology especially with quantitative lithofacies palaeogeography as the foundation,and with oil and gas generating palaeogeographical environments as the center or premise,the breakthrough in petroleum exploration of marine strata in South China can be made.This may be a strategic change for petroleum exploration in South China.The author hopes that the authorities observe publicly,think deeply and make a best decision.