This article discusses how rocks are formed. There are also articles on physical rock formations, rock layerings (strata), and the formal naming of geologic formations.

Aug 22, 2023 · The rock cycle is the natural, continuous process that forms, breaks down, and reforms rock through geological, chemical, and physical processes. Through the cycle, rocks convert …

There are three main types of rocks: igneous, sedimentary, and metamorphic. Igneous rocks are formed from the cooling and solidification of magma or lava. Sedimentary rocks are formed from the …

Nov 25, 2025 · Rock, in geology, naturally occurring and coherent aggregate of one or more minerals. Such aggregates constitute the basic unit of which the solid Earth is composed and typically form …

Jun 4, 2025 · The rock cycle is a series of processes that create and transform the types of rocks in Earth’s crust.

Dec 3, 2009 · As a terrestrial planet, Earth is divided into layers based on their chemical and rheological properties. And whereas its interior region - the inner and outer core - are mostly made up of iron and...

Jun 16, 2019 · Beneath these endless transformations lies one of Earth’s most elegant systems — the rock cycle. This cycle describes how rocks continuously form, change, break down, and re-form …

Oct 7, 2024 · There are three main processes that lead to the formation of rocks: the cooling and solidification of magma, the deposition of sediment, and extreme temperatures and pressures. …

Mar 11, 2025 · Rocks are classified into three main types based on their formation process: Formation: These rocks form when molten magma or lava cools and solidifies. Intrusive igneous rocks (e.g., …

Each different type of mineral has a distinct chemical composition, with its atoms arranged in an orderly way to give the mineral what we call its crystal structure. A rock is made from minerals. Some rocks …