4 Types of Rocks
What Are the 4 Major Types of Sedimentary Rocks and How to Identify Them?

Learn the 4 major types of sedimentary rocks—clastic, chemical, organic, and bioclastic—and how to identify them by texture, composition, and formation process.

Identifying Sedimentary Rocks
How to Identify Sedimentary Rocks: Key Features and Characteristics

Learn how to identify sedimentary rocks by their layers, fossils, and texture. Discover common features and formation environments in this quick guide.