Sentences with phrase «form ore deposits»
Some of the materials leached from the underground are deposited on the seabed and form ore deposits that may be of economically interest.
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But comparing the mix of different forms of lead, or isotopes, in the ax with that in copper ore from present - day deposits across much of Europe indicated that the ancient man's blade came from Southern Tuscany.
Conventional wisdom has told us that uranium within ore deposits is mostly found in the form of uraninite, a crystalline mineral.
«The formation of gold deposits in South Africa: Research team discovers new ore - forming process in ancient marine sedimentary basin.»
The stable form of carbon is carbon 12 Molybdenite Re / Os dating, zircon U — Pb age and geochemistry of granitoids in the Yangchuling porphyry W — Mo deposit (Jiangnan tungsten ore belt), China