Teach me something about geology..Thank you...
it's used for dino agingonce in uni library i hear 2 young'uns jock types talking about carbon dating dinos, they are like carbon dating is flawed on dinos because of decay, i almost wanted to walk up to the dynamic duo and show them the error of their ways, alas i am shy dino age is estimated by the rocks they are found in, which has certain age range
The earth is basically a huge bell and that's how they know what the inside of the earth is hollow and contains a reptilian civilization that has secretly ruled the planet for ages
>>16931794The oldest chunk of the Earth's surface that hasn't gone under yet, is about 3.5 billion years old and located in South Africa, right under Johannesburg or Praetoria. It's not really a coincidence because it's rich in diamonds and metals and such, the world's deepest gold mine is there. A big chunk of it also drifted off to northwest Australia, together they were once "Vaalbara", probably the sole dry landmass on Earth back then.Because of its age it's our main source for really fuckold rocks and fossils from the dawn of life, and it also has the oldest surviving meteor craters on Earth (about 2 billions)https://en.wikipedia.org/wiki/Kaapvaal_Cratonhttps://en.wikipedia.org/wiki/Pilbara_Craton
Let me tell you something about geology, anon.Something about geology.
If you want to meet your school's athletes, enroll in geology classes. They don't call it "Rocks for jocks" for no reason.
>>16931794We think that rocks are hard, but with a geologic perspective, one finds them quite flowy. It's neat!
>>16931794The forests in a forested mountain are the only thing holding the soil, through a network of roots that act as rebar. This dirt is like a wet sponge that slowly leaks water downwards, and this leakage creates creeks that can run for months after the last rains. If the mountain was bare rocks, there would be a deluge of water right then followed by months of dry riverbeds.When the forests on a mountain are cut, the roots die and then the soil is washed up. On a plain or valley it isnt like this.
>>16931805Actually interesting, thanks.
At high heat and pressure, water becomes compressible and gold can dissolve in it. When that pressure releases through a fissure in the surrounding rock, the decompression is explosive, ripping the stone further apart and rapidly depositing the minerals which can no longer remain suspended in solution. This is the reason gold veins are, well, veiny.
>>16931794we know that the earth's magnetic field periodically changes because in the middle of the ocean at mid ocean ridges (where the continents are pulling away from and new material upwells) the molten rock that contains iron upon freezing leaves a record of the direction of the magnetic field at that time
The earth generates around 15 TW of heat from radioactive decay. This is close to the amount of energy our civilization uses in total.
