this post was submitted on 25 Nov 2024
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Science Memes

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[–] LilDumpy 9 points 1 day ago (1 children)

Lithosphere:

A lithosphere (from Ancient Greek λίθος (líthos) 'rocky' and σφαίρα (sphaíra) 'sphere') is the rigid, outermost rocky shell of a terrestrial planet or natural satellite. On Earth, it is composed of the crust and the lithospheric mantle, the topmost portion of the upper mantle that behaves elastically on time scales of up to thousands of years or more.

[–] LilDumpy 9 points 1 day ago (1 children)

Magnetic Anomaly

In geophysics, a magnetic anomaly is a local variation in the Earth's magnetic field resulting from variations in the chemistry or magnetism of the rocks. Mapping of variation over an area is valuable in detecting structures obscured by overlying material.

[–] LilDumpy 11 points 1 day ago (1 children)

Proterozoic Eon

Proterozoic rocks have been identified on all the continents and often constitute important sources of metallic ores, notably of iron, gold, copper, uranium, and nickel.

[–] LilDumpy 10 points 1 day ago (1 children)

Weakened geomagnetic field:

Over the last 200 years, the magnetic field has lost around 9% of its strength on a global average. A large region of reduced magnetic intensity has developed between Africa and South America and is known as the South Atlantic Anomaly.

[–] LilDumpy 13 points 1 day ago

Biogenic molecules

A biogenic substance is a product made by or of life forms.

aka fake buzz word