Tag Archives: science

Principle of Uniformitarianism : A Basic Principle of Geomorphology

Uniformitarianism is a basic principle in geology that states that the natural laws and processes we see on Earth today also worked in the past in a similar way and strength. This idea is often expressed as “the present is … Continue reading

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Oil Exploration Basics

Oil exploration is a complex, multi-phase process aimed at discovering commercially viable petroleum (oil and natural gas) reserves beneath the Earth’s surface. It is the initial stage of the upstream sector in the oil and gas industry and involves extensive … Continue reading

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Isostacy: State of Gravitaional Equilibrium

Isostasy is a concept in geosciences describing the state of gravitational equilibrium between the Earth’s crust (or lithosphere) and mantle, meaning the crust “floats” atop the denser, underlying mantle (asthenosphere) at an elevation determined by its thickness and density. Principle of Isostasy Models … Continue reading

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Americans Lived on a Land Bridge for Thousands of year

It was believed that the Americas were populated by humans crossing from Siberia to Alaska across a land bridge was first proposed as far back as 1590, and has been generally accepted since the 1930s. But  evidence  from DNA studies shows … Continue reading

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