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Weathering and, even more so, plate tectonics, happen over milenia. Nothing's disapeared in our time, aprox 200 000 years. Certainly not in any culture's memory, wild exagerations about oral history amongst illierate indigenous not excepted.
I didn't read it myself as to do so required giving them details so they could post more of this wild spam.
The problem is that most people are pretty uneducated and have not been taught how to critically think which makes them much more likely to believe the kind of low brow crap that this article obviously is.
I've read a little about plate technonics and know that the earth's crust kind of rolls under and into the magma and becomes totally destroyed into its component parts. But it happens on a deep time scale. Off hand, maybe hundreds of millions of years.
I just looked it up: aprox 150 million years. Humans like us, homo sapiens, have only been going for 200 000 years so weathering or subduction won't have done anything noticable in that time.
Wolf Creek, below, is an impact crater 120 000 years old. Still obviously well preserved. Not going away any time soon...
Some rocks lead a quiet life. Stable parts of continental crust just sit there for billions of years, doing nothing. In the oceans things are much more dynamic. Live fast, die young, stay pretty is the motto of oceanic crust. It goes on one of the most amazing journeys rock can take. Along the way
Any news service that calls itself 'smart news' or, like Australia's ABC does, 'most trusted news' is lying. The opposite is true. 'most trusted' translates as pure propaganda, 'smart' translates as dumber than a bucket full of hammers, 'progressive' translates to 'we love to suck cock and girl dick but only those of the XY brand'...
I didn't read it myself as to do so required giving them details so they could post more of this wild spam.
The problem is that most people are pretty uneducated and have not been taught how to critically think which makes them much more likely to believe the kind of low brow crap that this article obviously is.
I've read a little about plate technonics and know that the earth's crust kind of rolls under and into the magma and becomes totally destroyed into its component parts. But it happens on a deep time scale. Off hand, maybe hundreds of millions of years.
I just looked it up: aprox 150 million years. Humans like us, homo sapiens, have only been going for 200 000 years so weathering or subduction won't have done anything noticable in that time.
Wolf Creek, below, is an impact crater 120 000 years old. Still obviously well preserved. Not going away any time soon...
Some rocks lead a quiet life. Stable parts of continental crust just sit there for billions of years, doing nothing. In the oceans things are much more dynamic. Live fast, die young, stay pretty is the motto of oceanic crust. It goes on one of the most amazing journeys rock can take. Along the way
"I've read a little about plate technonics and know that the earth's crust kind of rolls under and into the magma... "
With that you just reminded me that plate tectonics is still a recently accepted theory. I was fucked up by how the article talked like it was a new discovery. I've had it in my head that this was common knowledge because I learned it in elementary school. Just basic "Earth Science" I thought. But at the time I learned about it, it may not have been widely taught before the late 70s. It only begin gaining acceptance some time in the 60s. The article is still shit though.
"I've read a little about plate technonics and know that the earth's crust kind of rolls under and into the magma... "
With that you just reminded me that plate tectonics is still a recently accepted theory. I was fucked up by how the article talked like it was a new discovery. I've had it in my head that this was common knowledge because I learned it in elementary school. Just basic "Earth Science" I thought. But at the time I learned about it, it may not have been widely taught before the late 70s. It only begin gaining acceptance some time in the 60s. The article is still shit though.