Petrographic examination is required for identification of specific types of granitoids. Granite differs from granodiorite in that at least 35% of the feldspar in granite is alkali feldspar as opposed to plagioclase; it is the potassium feldspar that gives many granites a distinctive pink color.etrographic examination is required for identification of specific types of granitoids. Granite differs from granodiorite in that at least 35% of the feldspar in granite is alkali feldspar as opposed to plagioclase; it is the potassium feldspar that gives many granites a distinctive pink color.
About Connect the Dots pages: Connect the Dots pages are fun, but they also help kids develop many important skills. These skills, eye-hand coordination, color concepts, picture and number comprehension, form the foundation for early learning success. Enjoy these free, printable connect the dots pages!
Material: Pencil, piece of paper. Configuration: Nine dots arranged in a square matrix, each of them being equidistant from its neighbors. Aim of the game: Join all the dots up with not more than 4 continuous straight lines. Origin of the puzzle: Unknown. Probably an old European puzzle.