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!
Diagonal Sudoku. Each puzzle consists of a 9x9 grid containing given clues in various places. The object is to fill all empty squares so that the numbers 1 to 9 appear exactly once in each row, column, diagonal and 3x3 box.