The Earth's continental crust was mainly formed in the Archean period, ~2.5 to 4.0 billion years ago, and is chiefly composed of tonalite, trondhjemite and granodiorite (TTG rocks). These three kinds of rock preserve pivotal information of the formation and evolution of early continental crust. Study on the petrogenesis of TTG rocks can elucidate the tectonic regimes of the early Earth. A recent study using a quantitative phase modeling approach to document the partial melting process of tonalitic gneiss presents an innovative viewpoint of petrogenesis of Archean trondhjemite in the Eastern Hebei, China.
Oh, God, how that makes me so geologically erect.
Ed: what?
What hell. I think it's about oil ... maybe.
I love the language, tho. That cat just doesn't give a fuck if anyone in the world understands him. Now that's righteous.
When there's so much did you like my update, did you like my cat picture, etc, etc, it's extra cool to see someone who just does not care.
You keep it flying, Petrogenesis Man, wherever your crazy ass flies.
We're all seeking that approval we got from our parents. Oh, yes, that's good that you managed to stack those stupid blocks on top of each other, you utterly moronic and eternally vacant child.
We feed on that when we're growing up and that's all good ... but ... then that approval gets appropriated by teachers, preachers, leachers, and lizards, all of whom usurp our need for approval from our parents ... and we end up giving it to them too ... as we become spineless, socially-conscious milksops.
Ed: I simply have to do it because everyone else is doing it!
Kee-rist, you miserable wretch, did your parents raise any progeny which wound up as the same species?
Ed: did you like my post?
I didn't even see your fucking post.
Ed: it had a belfie in it
WTF is a belfie?
Ed: it's the rage to take a pic just now of the butt instead of the face
Well, that will sure add a new dimension to the duck face, won't it.
Uh oh, he wasn't making it up. (Vice: The Belfie Stick Lets People Photograph Their Butts, Because People Want to Do That)
Dagwood: you should have stuck with petrogenesis. This shit is twisted.
For once you've got it right, Dagwood ... but ... it gets better.
Welcome to the new world of tourism; welcome to the future.
Ed: this is science?
Of course, we're just really not sure what kind of science.
Oh, God, how that makes me so geologically erect.
Ed: what?
What hell. I think it's about oil ... maybe.
I love the language, tho. That cat just doesn't give a fuck if anyone in the world understands him. Now that's righteous.
When there's so much did you like my update, did you like my cat picture, etc, etc, it's extra cool to see someone who just does not care.
You keep it flying, Petrogenesis Man, wherever your crazy ass flies.
We're all seeking that approval we got from our parents. Oh, yes, that's good that you managed to stack those stupid blocks on top of each other, you utterly moronic and eternally vacant child.
We feed on that when we're growing up and that's all good ... but ... then that approval gets appropriated by teachers, preachers, leachers, and lizards, all of whom usurp our need for approval from our parents ... and we end up giving it to them too ... as we become spineless, socially-conscious milksops.
Ed: I simply have to do it because everyone else is doing it!
Kee-rist, you miserable wretch, did your parents raise any progeny which wound up as the same species?
Ed: did you like my post?
I didn't even see your fucking post.
Ed: it had a belfie in it
WTF is a belfie?
Ed: it's the rage to take a pic just now of the butt instead of the face
Well, that will sure add a new dimension to the duck face, won't it.
Uh oh, he wasn't making it up. (Vice: The Belfie Stick Lets People Photograph Their Butts, Because People Want to Do That)
Dagwood: you should have stuck with petrogenesis. This shit is twisted.
For once you've got it right, Dagwood ... but ... it gets better.
Welcome to the new world of tourism; welcome to the future.
Ed: this is science?
Of course, we're just really not sure what kind of science.
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