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3 votes

Are there minerals which are not been found on earth but which are still possible to exist?

We might also consider minerals that cannot appear as minerals on Earth because Earth is too hot. These would be ices that exist in solid form, and meet the standard definition of minerals, mostly ...
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4 votes

Is Radiocarbon dating flawed?

I will preface this by saying that I am not particularly familiar with radiocarbon dating techniques, and therefore the minutiae are somewhat lost on me. However, as someone who works with several ...
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1 vote

What does fugacity mean in the context of geology?

'Fugacity' is effectively the equivalent of chemical activity, but for gases. Fugacity relates to the partial pressure of a particular volatile component of a system in the same way that chemical ...
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1 vote

How deep could an ocean trench be on Earth theoretically?

Oceanic trenches are formed by the subduction of an oceanic plate underneath usually a continental plate. So the depth of how deep a trench can be depends on the thickness of the plate that is not ...
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2 votes

Is it safe to keep volcanic sulfur at home?

This won't be a problem if you store it properly. Make sure it's away from your children.. If it's exposed to the skin it can cause itching If it's consumed it can cause diarrhea I suggest you to ...
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4 votes
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Is or was there oil on Sakhalin?

Onshore oil deposits, on the island of Sakhalin have existed. The were discovered in 1928 by a Russian-Japanese venture. Oil production from onshore deposits began in 1930. There has been oil ...
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4 votes
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Is this a fossil?

Yes it could be a fossil. Btw. it is called a sand dollar. The term sand dollar refers to several species of flattened burrowing sea urchins that belong to the order Clypeasteroidea. Sand dollars, ...
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