by Sud | Mar 12, 2023 | Geography Beginner
Seas are smaller than oceans and located where land and ocean meet. They have great geographical, political, and economical significance. Marginal seas are seas partially enclosed by islands, archipelagos, or peninsulas. Such seas include Arabian Sea, Baltic Sea, Bay...
by Sud | Mar 12, 2023 | Geography Beginner
Ocean basin Oceanic crust is less than 60-70 million years old, while continental features are over 1 billion years old. The ocean is geographically divided into distinct named regions. Historically, there were four named oceans: Atlantic, Pacific, Indian, and Arctic....
by Sud | Mar 12, 2023 | Geography Beginner
Plate Tectonics Plate tectonics is a scientific theory that describes the movement of large and small plates of the Earth’s lithosphere. The term “plate tectonics” was first used by Tuzo Wilson of the University of Toronto. It was first published by...
by Sud | Mar 12, 2023 | Geography Beginner
H. Harry Hess put forward the hypothesis of seafloor spreading in 1960. Hess mapped the ocean floor using sonar and discovered the mid-Atlantic ridge (mid-ocean ridge). The temperature near the mid-Atlantic ridge was found to be warmer than the surface away from it....
by Sud | Mar 12, 2023 | Geography Beginner
Alfred Wegener proposed the continental drift theory in 1912. He was a German meteorologist, polar explorer, astronomer, and geologist, also known as the father of continental drift. The theory explains the movement of continents across the ocean bed. This process...
by Sud | Mar 12, 2023 | Geography Beginner
Rocks Earth’s crust is made up of various types of rocks. The scientific study of rocks is called petrology. What are rocks? A rock is a naturally occurring aggregate of minerals and certain non-mineral materials. Rocks are the natural building blocks of the...
