by Gelogia Team | Sep 28, 2024 | Historical Geology, Physical Geology & Geomorphology
Sedimentary Rock: Sediments are materials formed due to mechanical or chemical activity by the agents of denudation on preexisting rocks. They are deposited in a stratified fashion, layer after layer, at the surface of the lithosphere. Lithification of the...
by Gelogia Team | Sep 27, 2024 | Historical Geology, Physical Geology & Geomorphology
Approximately 90% of the earth’s crust is composed of igneous rocks, but their abundance is hidden on the earth’s surface by a relatively thin layer of sedimentary and metamorphic rocks. The cooling and solidification of magma forms igneous rocks....
by Gelogia | Sep 27, 2024 | Historical Geology
What is the Geological Time Scale? The geological time scale is a system geologists use to subdivide the great span of time since the origin of the Earth. In other words, when the duration (time range) of the division in the geological column is given in terms of...
