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 …

The study of rocks involves multiple subdisciplines of geology, including petrology and mineralogy. It may be limited to rocks found on Earth, or it may include planetary geology that studies the rocks of …

May 7, 2025 · It delves into the intricate physical and chemical processes that govern rock formation and transformation, providing essential insights into the Earth’s internal workings and surface evolution.

Photographs and information for a large collection of igneous, metamorphic and sedimentary rocks. Geology.com

Sep 24, 2025 · The study of rocks is called petrology, while the study of soil is known as pedology. Together, they help scientists understand Earth’s crust, surface processes, and environmental …

Jul 9, 2023 · Learn about the three types of rocks: igneous, sedimentary, and metamorphic. Learn their characteristics and get examples of each type.

Jan 23, 2023 · Rocks and minerals are important for learning about earth materials, structure, and systems. Studying these natural objects incorporates an understanding of earth science, chemistry, …

A clear, scientifically grounded overview of what rocks are, how the three major rock types form, and why rock classification matters in geology and engineering.

Petrology is the study of rocks - igneous, metamorphic, and sedimentary - and the processes that form and transform them. Mineralogy is the study of the chemistry, crystal structure and physical …

Apr 8, 2024 · Geologists study the rock record to understand how our world came to be and to try to determine what geologic events might occur in the future. The field of geochronology provides the …