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.
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Save the Children Dota 2 Tournament. Dota 2 Charity Tournament eSports.US will be supporting Save the Children again this year on âGaming Tuesdayâ, November 29th, 2016 by hosting a special Dota 2 charity tournament. Gaming Tuesday is an initiative created to partner with Giving Tuesday and rally gamers to come together over the holidays to raise funds and awareness for charity.