|
所在平台: Udemy |
课程主页: https://www.udemy.com/course/learn-sedimentology-from-the-scratch/
课程评论：没有评论
课程名称：从零开始学习沉积学 课程概述： 本课程将深入探讨沉积学，这门科学学科专注于沉积岩的物理和化学性质，以及它们形成过程中涉及的各种过程，包括沉积物的搬运、沉积和成岩作用（转化为岩石）。沉积学研究的主要目标是通过分析沉积物，来推断古老的陆源区和沉积地的环境条件。沉积学家通过研究沉积物的组成、纹理、结构以及其中的化石含量，来区分不同地理环境下的沉积记录，例如大陆、海岸和海洋沉积。 沉积岩的重要性： 沉积岩为现代和古代社会提供了多种重要的产品和资源： * **艺术与建筑：** 虽然大理石是变质的石灰岩，但许多沉积岩（如石材、砂岩）被广泛用于建筑和艺术创作，例如板岩用于屋顶，砂岩用于承重结构。 * **陶瓷与工业材料：** 粘土是制造陶器、陶瓷和砖块的基础；石灰岩用于生产水泥和石灰。 * **经济地质学：** 沉积岩是许多重要矿产的载体，包括铅锌银矿床（SEDEX）、铜矿、金矿、钨矿、铀矿以及重砂矿床等。 * **能源：** 石油地质学依赖于沉积岩生成石油的能力，煤和油页岩也产自沉积岩。世界上相当一部分铀能源资源也蕴藏在沉积岩层中。 * **地下水：** 沉积岩储存着地球上大量的地下水含水层。我们对其范围及可开采量的理解，很大程度上依赖于我们对储存这些含水层的岩石（储层）的认识。
Sedimentology, scientific discipline that is concerned with the physical and chemical properties of sedimentary rocks and the processes involved in their formation, including the transportation, deposition, and lithification (transformation to rock) of sediments. The objective of much sedimentological research is the interpretation of ancient environmental conditions in sediment source areas and depositional sites. Sedimentologists study the constituents, textures, structures, and fossil content of the deposits laid down in different geographic environments. By these means they can differentiate between continental, littoral, and marine deposits of the geologic record. Importance of sedimentary rocks.Sedimentary rocks provide a multitude of products which modern and ancient society has come to utilise.Art: marble, although a metamorphosed limestone, is an example of the use of sedimentary rocks in the pursuit of aesthetics and artArchitectural uses: stone derived from sedimentary rocks is used for dimension stone and in architecture, notably slate, a meta-shale, for roofing, sandstone for load-bearing buttressesCeramics and industrial materials: clay for pottery and ceramics including bricks; cement and lime derived from limestone.Economic geology: sedimentary rocks host large deposits of SEDEX ore deposits of lead-zinc-silver, large deposits of copper, deposits of gold, tungsten, Uranium, and many other precious minerals, gemstones and industrial minerals including heavy mineral sands ore depositsEnergy: petroleum geology relies on the capacity of sedimentary rocks to generate deposits of petroleum oils. Coal and oil shale are found in sedimentary rocks. A large proportion of the world's uranium energy resources are hosted within sedimentary successions.Groundwater: sedimentary rocks contain a large proportion of the Earth's groundwater aquifers. Our understanding of the extent of these aquifers and how much water can be withdrawn from them depends critically on our knowledge of the rocks that hold them (the reservoir).
