Geologists find key indicator of carbon sources in Earth’s mantle

Scientists have found a key indicator in determining whether the presence of carbon, found in the Earth’s mantle, is derived from continental crust — a step toward better understanding the history of crustal formation on Earth’s surface and the rate at which tectonic plates have moved throughout geologic time, which can be linked to the […]

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What is API oil quality?

Sometimes we see the term API or degrees API. The API degree refers to the specific gravity of the oil. Unlike density values it is inversely defined. So a high API value means a low density and vice versa. It goes back to the Baume scale which is a hydrometer scale to measure densities of […]

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