Nov 6, 2025 · Explore Earth’s layers — crust, mantle, outer and inner core. Learn their composition, depth, and how scientists study Earth’s interior using seismic waves.

Nov 10, 2025 · Learn about the structure of the Earth, its crust, mantle, and core. Discover how heat, pressure, and convection shape our dynamic planet from within.

Jul 1, 2024 · The process of Earth’s differentiation into these layers was a dynamic and gradual one, driven by the differences in density and composition of various materials. This layering not only …

Sedimentary rocks are one of the three main types of rocks found on Earth, along with igneous and metamorphic rocks. They are formed through the accumulation, compaction, and cementation of …

Seismic waves are vibrations or oscillations that travel through the Earth, often as a result of sudden energy release due to geological processes. These waves play a crucial role in understanding the …

Jan 16, 2026 · Faults and folds, how stress shapes Earth’s crust, and why these structures matter for earthquakes, mountains and engineering.

Nov 23, 2025 · Geologists determine the age of rocks through a field of study known as geochronology, which involves various methods to quantify the timing of geological events and the rates of Earth …

Index fossils play a crucial role in the field of geology, aiding scientists in dating and correlating rocks. These fossils are valuable indicators of specific time periods and help geologists reconstruct Earth's …

Nov 23, 2025 · The Earth is composed of several distinct layers, each with its own unique characteristics. These layers include the crust, mantle, and core. Additionally, the Earth’s surface is …

Nov 5, 2025 · Learn what geological faults are, how they form, and the main types of faults — normal, reverse, thrust, strike-slip, and oblique — with their causes and effects.