南海北缘陆相断陷盆地优质烃源岩发育机制:以珠江口盆地顺德凹陷始新统文昌组为例*
高梦天, 尤丽, 胡高伟, 龚宇, 李彦丽, 陈亚兵, 冯琦, 韩骏威, 刘国麟

Formative mechanisms of high-quality source rocks in continental fault basin of northern South China Sea: a case study from the Eocene Wenchang Formation in Shunde sag,Pearl River Mouth Basin
GAO Mengtian, YOU Li, HU Gaowei, GONG Yu, LI Yanli, CHEN Yabing, FENG Qi, HAN Junwei, LIU Guolin
顺德凹陷SD-1井文昌组典型壁心和薄片照片 a—褐黑色富有机质页岩,水平纹层,3338.2 m;b—褐黑色富有机质页岩,3338.2 m;c—灰黑色纹层状页岩,波状纹层,3294.4 m;d—深灰色块状泥岩,3168 m;e—深灰色粉砂质块状泥岩,3177.5 m;f—褐黑色富有机质页岩,石英、长石和黏土矿物,大量黄铁矿沿厚层有机质纹层分布,单偏光,3256.5 m;g—褐黑色富有机质页岩,打光后见大量黄铁矿呈条带状延伸,3256.5 m;h—褐黑色富有机质页岩,厚层有机质纹层夹薄层凝灰质纹层,3256 m;i—灰黑色纹层状页岩,有机质纹层与火山灰互层,黄铁矿含量较高,呈带状密集分布,3309.6 m;j—深灰色块状泥岩,凝灰岩基质上有机质稀疏,见石英颗粒,黄铁矿单晶孤立分布,3177.5 m;k—深灰色粉砂质块状泥岩,石英、长石、黏土矿物,凝灰质基质,大量介形虫遗体; l—深灰色砂质块状泥岩,黏土矿物为主,凝灰质基质,大量介形虫遗体