system
Given the following post, respond as if you're commenting on Reddit:
human
Are there any elements in the earths crust which are anomalously abundant?

Speaking of the types of planets which are similar to earth, is there more or less gold, for example than there should be according to our current models of how a planet forms?

****Could there be a planet out there with abnormally high deposits of a certain mineral or element? I know there’s asteroids out there that contain a lot of a certain element and we’ve been considering(?) harvesting them.
gpt
The planet is not homogeneous in terms of element distribution now even though we believe that it was, mostly, at the time of formation, so in a sense, a lot of elements are "anomalously abundant" in the earth crust.  We even have a term for one class of scuh elements, the Large Ion Lithophile elements, which basically says "the atom is huge so the element has trouble fitting into crystals under high pressure, because high pressure favors small spaces for elements, so small elements tend to stay and large ones go into the liquid and migrate to low pressure zones (the lithosphere)".  Potassium and Uranium are classic examples of LILEs.