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The Earth's crust is one "reservoir" for measurements of abundance. A reservoir is any large body to be studied as unit, like the ocean, atmosphere, mantle or crust. Different reservoirs may have different relative amounts of each element due to different chemical or mechanical processes involved in the creation of the reservoir.
The more abundant rare earth elements are similarly concentrated in the crust compared to commonplace industrial metals such as chromium, nickel, copper, zinc, molybdenum, tin, tungsten, or lead. The two least abundant stable rare earth elements ( thulium and lutetium ) are nearly 200 times more common than gold .
A.B. Ronov, A.A. Yaroshevsky, Earth's Crust Geochemistry, in Encyclopedia of Geochemistry and Environmental Sciences, R.W. Fairbridge (ed.), Van Nostrand, New York, (1969). Estimated abundance of the elements in the continental crust (C1) and in seawater near the surface (W1). The median values of reported measurements are given.
10-mile crust, only igneous rocks. (i.e. exclude hydrosphere and atmosphere) "The earth's crust" in Clarke and Washington works can mean two different things: (a) The whole outer part of Earth, i.e. lithosphere, hydrosphere and atmosphere; (b) Only the lithosphere, which in their works just meant "the rocky crust of the earth". "Crust" here ...
Though this would seem to predict nickel as the most abundant heavy element in the universe, the high rate of photodisintegration of nickel in stellar interiors causes iron to be by far the most abundant. [30] Nickel-60 is the daughter product of the extinct radionuclide 60 Fe (half-life 2.6 million years). Due to the long half-life of 60
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The nickel ions act as powerful catalysts when the bind to the rest of the peptide, ... And considering nickel was fairly abundant on primordial Earth, it’s not outside the realm of possibility ...
Abundance in Earth's crust [h] Origin [i] Phase at r.t. [j] Atomic number Z Symbol Name ... Nickel: Nickel, a mischievous sprite in German miner mythology 10 4 d-block