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2. Heavy mineral sands ore deposits - Wikipedia

   en.wikipedia.org/wiki/Heavy_mineral_sands_ore...

   Heavy mineral sands are a class of ore deposit which is an important source of zirconium, titanium, thorium, tungsten, rare-earth elements, the industrial minerals diamond, sapphire, garnet, and occasionally precious metals or gemstones . Heavy mineral sands are placer deposits formed most usually in beach environments by concentration due to ...

3. 30 by 30 - Wikipedia

   en.wikipedia.org/wiki/30_by_30

   30 by 30 is the third of 23 global biodiversity targets for 2030 in the Kunming-Montreal Global Biodiversity Framework, adopted in December 2022: Ensure and enable that by 2030 at least 30 per cent of terrestrial, inland water, and of coastal and marine areas, especially areas of particular importance for biodiversity and ecosystem functions ...

4. Phosphorite - Wikipedia

   en.wikipedia.org/wiki/Phosphorite

   Phosphorite, phosphate rock or rock phosphate is a non- detrital sedimentary rock that contains high amounts of phosphate minerals. The phosphate content of phosphorite (or grade of phosphate rock) varies greatly, from 4% [1] to 20% phosphorus pentoxide (P 2 O 5 ). Marketed phosphate rock is enriched ("beneficiated") to at least 28%, often more ...

5. Mark & Graham's Black Friday sale has 70% off ... - AOL

   www.aol.com/lifestyle/mark--grahams-black-friday...

   Right now for Black Friday Mark & Graham are offering some of their best deals of the year, where you can score up to 70% off select styles, an extra 30% off clearance items with code MERRY and ...

6. List of copper ores - Wikipedia

   en.wikipedia.org/wiki/List_of_copper_ores

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7. Abundance of elements in Earth's crust - Wikipedia

   en.wikipedia.org/wiki/Abundance_of_elements_in...

   Abundance (atom fraction) of the chemical elements in Earth's upper continental crust as a function of atomic number; [5] siderophiles shown in yellow. Graphs of abundance against atomic number can reveal patterns relating abundance to stellar nucleosynthesis and geochemistry . The alternation of abundance between even and odd atomic number is ...