Chapter2 Sedimentary paleogeography 第2章沉积古地理学 2.1 concepts and laws 2.2 sed -facies indicators 23sed. environments(自主互动
Chapter 2 Sedimentary paleogeography 第2章 沉积古地理学 2.1 concepts and laws 2.2 sed.-facies indicators 2.3 sed. environments (自主互动)
2.1 Concepts and laws 1 Sed environments 2 Sedimentary facies 3 Facies changes and analysis of sed-facies 4 Walther's law 5 Uniformitarianism
1 Sed. environments 2 Sedimentary facies 3 Facies changes and analysis of sed-facies 4 Walther’s law 5 Uniformitarianism 2.1 Concepts and laws
小沉积环境( entary environments一个具有 独特的物理、化学和生物特征的自然地理单元 OCEAN Folded sedimentary bid Metamorphic curren neous 2沉积相 edimentary facies反映沉积记录成因(环境、 条件和沉积作用)的岩石特征和生物特征的综合。即沉积记录成 因的物质表现。 →物相若相
1 沉积环境(sedimentary environments): 一个具有 独特的 物理、化学和生物 特征的自然地理单元 2 沉积相(Sedimentary facies)——反映沉积记录成因（环境、 条件和沉积作用）的岩石特征和生物特征的综合。即沉积记录成 因的物质表现。 生物相(biofacies) 岩相(lithofacies, petrofacies)
地层的岩石特征和生物特征及其所反映的 沉积环境和沉积作用在空间(横向)上的变化。 Carbonate Shale Sandstone Shale facies facies facies coal facies Facies change装 0:420 Sea Level
Carbonate facies Shale facies Sandstone facies Shale & coal facies 3 相变——地层的岩石特征和生物特征及其所反映的 沉积环境和沉积作用在空间（横向）上的变化。 Facies changes
FAcies change
Facies changes? Facies sequence