The classification of sedimentary particles based on their size is an essential aspect of sedimentology, helping geologists interpret depositional environments, transport mechanisms, and energy conditions. One of the most widely used systems for this purpose is the Wentworth Grain Size Scale, developed by Chester K. Wentworth in 1922. The Wooden Wentworth Scale, a practical tool … Read more
The petrographic microscope is an essential tool in the field of geology and mineralogy, specifically used for the detailed study of thin sections of rocks and minerals. It is a type of optical microscope that utilizes polarized light to analyze the optical properties of minerals, which are crucial in identifying and classifying rocks. The petrographic … Read more
Poecellanite is a very fine-grained, hard and compact rock found in various part of the world. The rock range in colour from white and grey to brown and reddish depending on mineral composition and environmental conditions where it forms. Porcellanite is primarily composed of silica, clay minerals and varying amount of iron oxides and carbonates. … Read more