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.
Description: Fluorite often forms coarse cleavable masses or cubic crystals. It can take on a range of attractive colors, most often purple. Fluorite occurs in all types of hydrothermal deposits. It also forms as an accessory in igneous rocks, especially syenites and granite pegmatites. In Wisconsin, most fluorite localities are in the Wausau area, associated with the Wausau and Stettin plutons.