migrated from stackoverflow.com Jun 20 '10 at 3:23. 1  Excel is a spreadsheet application that saves files into its own format while CSV is a standard of saving tabular information into a delimited text file. 2  CSV is a very old method of saving tables compared to Excel.
Authigenic sediment, deep-sea sediment that has been formed in place on the seafloor. The most significant authigenic sediments in modern ocean basins are metal-rich sediments and manganese nodules.
In adults, the recommended daily amount of manganese is only 1.8 -2.3 mg/day, while magnesium intake is recommended at 310 â 420 mg/day.They can both be found in seeds, legumes, whole grains, nuts, and green leafy vegetables.lthough how they are created and used are very different. First, manganese is the denser element, appearing in nature as a free trace element, most often found combined with iron. Magnesium is one of the most abundant elements on earth behind iron, oxygen, and silicone-although it not found naturally on earth.