Tag Archives: Continental Crust

1747: Feldspar – The Backbone of Continental Crust

Feldspar, constituting a major part of the Earth's continental crust, is a framework silicate mineral rich in silicon, oxygen, and elements like calcium, potassium, and sodium. First named by Johan Gottschalk Wallerius in 1747, feldspar's [...]

c. 3.5 Billion BCE: Unraveling the Mysteries of Greenstone Belts

Explores greenstone belts, key geological features from the Archean eon, highlighting their role in the growth of continental crust and their significance in understanding Earth's early history.

c. 4-3 Billion BCE: The Rise of Plate Tectonics – Shaping Earth’s Landscape

Examines the emergence of plate tectonics during the Hadean and Archean eons, detailing the transformation of Earth's crust and mantle, the formation of continents, and the division of the lithosphere and asthenosphere, leading to the [...]

c. 4.5 Billion BCE: The Formation of Continental Crust – A Geological Journey

Explores the transformation from mafic basalts to felsic rocks in the Earth's crust, guided by Norman L. Bowen's 1928 discovery of Bowen's Reaction Series. It explains how this process led to the formation of Earth's [...]