The science comprising the study of solid Earth, the rocks of which it is composed, and the processes by which it evolves.

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2
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1answer
131 views

Are Easterbrook's oxygen-isotope paleo-temperature reconstructions credible?

In this video of a presentation given at a climate-skeptic Heartland Institute conference, Don Easterbrook presents his view of recent climate history. He compares his own projections of future ...
3
votes
1answer
260 views

Could meteors have been been formed with lead, and mislead radiometric dating?

The age of the Earth has been determined by radiometric dating of meteorites, by seeing how much uranium has decayed into lead. How do we know the meteor samples weren't formed with lead already in ...
8
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2answers
476 views

Did Pangaea exist?

I recently had an argument with a conspiracy theory type who had a bunch of strange ideas about a number of pretty well established scientific phenomenon. One that I had never heard before, nor can I ...
9
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0answers
211 views

Are gem-quality diamonds common?

One often hears that diamonds aren't rare at all. Upon closer inspection, such claims appear to actually state that diamonds cost more than their abundance alone would account for. Sources that ...
4
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1answer
276 views

Are the footprints found in Great Britain 800,000 years old?

Some footprints were found in Great Britain earlier this year. They are reported to be about 800,000 years old. Here is how they were dated, according to a Yahoo! article: Scientists dated the ...
5
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0answers
103 views

Are Scotland's oil and gas reserves dwindling?

This article states that Scotland's oil and gas reserves and tax incomes are dwindling: http://www.theguardian.com/politics/2014/feb/07/scottish-independence-economic-implications-niesr Scotland's ...
5
votes
1answer
471 views

Were deserts once oceans/seas?

I was reading The Alchemist and stumbled upon something that says, Here and there, he found a shell, and realized that the desert, in remote times, had been a sea. Were the deserts once ...
2
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1answer
234 views

Will the bytes of data stored in 2020 be greater than the number of grains of sand on the world's beaches?

An article in The Independent covering recent developments in Big data contains the following, suspiciously precise, claim: By 2020, it's thought that the number of bytes will be 57 times greater ...
6
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3answers
763 views

What was the density of prehistoric Earth atmosphere (dinosaurs buoyancy theory)

There is a site by David Esker named Dinosaur Theory: dinosaurtheory.com. David says that dinosaurs was so big because the early (at dinosaurs age) earth atmosphere was very dense and most mass of ...
14
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3answers
12k views

Are there three pyramids in Antarctica?

A story from an Illuminati conspiracy site has become a semi popular meme on Facebook: Three ancient pyramids have been discovered in the Antarctic by a team of American and European scientists. ...
12
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1answer
374 views

Can a combination of wind and ice move a 700 lb (300 kg) rock?

Lately I've been thrilled by the interesting phenomenon of sliding stones (also known as sailing stones). Photo credit: NASA/GSFC/Maggie McAdam Wikipedia explains: The stones move only every ...
-1
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1answer
295 views

Oxygen buildup in the atmosphere

It is commonly believed (or based on few evidences) that atmospheric oxygen built up because of extensive photosynthesis. I am skeptical about this theory that biotic factors are solely responsible ...
7
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1answer
771 views

Did oil come from Dinosaurs?

Oil (and other carbon based fuels like Coal, but for this question, I'm more interested in Oil) is widely regarded as a "Fossil Fuel" because its origin was ancient flora and fauna, buried deep below ...
5
votes
1answer
836 views

Could El Hierro eruption cause a mega-tsunami?

Could an eruption of El Hierro in the Canary Islands lead to a megatsunami that would threaten the eastern coast of the United States or elsewhere?
12
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1answer
3k views

Have we only mined 16 tonnes of platinum in the whole of history?

In this blog explaining how money works as a response to the debate about the USA's proposal to mint a trillion dollar platinum coin, the author quotes two estimates. One is the amount of platinum ...
13
votes
1answer
509 views

Did Italian seismologists fail to give “adequate warning” about the 2009 L'Aquila earthquake?

From CBS News (October 22, 2012): An Italian court convicted seven scientists and experts of manslaughter on Monday for failing to adequately warn citizens before an earthquake struck central ...
3
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1answer
404 views

Evidence for early Earth's atmosphere

What best evidences there are that demonstrate what Earth was like in its early years? According to this video Earth started out with no oxygen in its atmosphere. And according to this link the ...
63
votes
3answers
8k views

Is Earth as smooth as a billiard ball?

I've heard it said (on the YouTube channel vsauce) that the earth is smoother than a billiards ball if it's scaled down. Is this true? Of course the earth is relatively smooth: Mt. Everest: ~10km+ ...
7
votes
1answer
604 views

Do living lizards exist inside stones?

I have seen footage and articles that show living lizards walking out of a stone, when the stone is cracked open. Is this a reliable fact? Is it possible that a lizard (or in some cases, a beetle) ...
5
votes
1answer
670 views

Do radiometric dating labs throw out 8 of 10 specimens, and are the samples blinded?

I think that my question regarding KNM-ER 1470's and the change from previously believed "good dates" from methods other than the fossil record might be too broad. There is an aspect of the question ...
16
votes
2answers
1k views

Does the radioactivity on Hiroshima's soil affect radiometric dating?

I heard several times from creationists that now, if scientists would examine the land in Hiroshima, it will tell them it is millions of years old all because of the atom bomb. And because of that ...
9
votes
1answer
905 views

Was the cretaceous the last time atmospheric carbon dioxide was significantly higher than it is today?

Dr. Michael E. Mann recounts a story in his recent book (the Hockey Stick and the Climate Wars) about an encounter with Hilary Clinton during a hostile congressional hearing. While he was fending off ...
22
votes
1answer
1k views

Was the Earth originally smaller and ocean-free?

This article on Viewzone proposes that the Earth used to be smaller, and the existing continents fitted neatly together, covering the entire globe with land. As the Earth expanded, the oceans formed, ...
28
votes
2answers
6k views

Can mountains on Earth grow higher than 49,000 feet (15,000 m)?

I just saw this picture in Learn Something Every Day and thought of you. Some of the sites I've found reason it with gravity but doesn't explain very well.
2
votes
1answer
4k views

Impact of a nuclear bomb explosion in Earth's core [closed]

I've seen several spy or action movies in which, mostly with some satirical undertone, a megalomaniac supervillain threatened the world by the following: Send some stolen nuclear weapon into Earth's ...
17
votes
2answers
810 views

Is radioactive decay the cause of the high temperature of the Earth's core?

I've seen in some sources that the Earth's inner temperature is because of nuclear decay, namely uranium and such. I find it hard to believe since volcanoes aren't know for spewing long half-life ...
79
votes
4answers
6k views

Can every grain of sand be addressed in IPv6?

I was once watching a slideshow about the new IPv6, and it mentioned that it is large enough for every grain of sand on earth to be IP addressable. Is there any grain of truth behind this? (no pun ...
6
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3answers
2k views

Is Earth Crust Displacement real?

I've seen the topic of Earth Crust Displacement (a.k.a. Pole Shift Hypothesis) brought up various times in science-fiction stories and at least one movie (2012). The idea is that somehow the crust of ...
21
votes
5answers
2k views

Is K-Ar a reliable method for dating rock ages?

Firstly: please try not to bring creation/evolution into this. I will award the correct answer to a response which provides links to evidence and sound explanations. Motivation for the question to ...
22
votes
2answers
1k views

Is there a deep, hot biosphere?

Thomas Gold claims that oil is not aging vegetal or animal matter, but rather made continously from bacteria deep in the Earth's mantle (a 'deep hot biosphere') so that we would effectively never have ...
11
votes
1answer
372 views

Can big earthquakes trigger a domino effect?

Can one earthquake trigger another? For instance, the quake in New Zealand, then the one in China and finally the big one in Japan. This does not count aftershocks, but separate earthquakes in ...