Radiocarbon Dating is used on organic objects only, so the fact that your whole example is based on inorganic rocks and radio carbon dating only suggests that you do not know with any detail or understanding the topic that you are discussing.
There are 2 calories in 1 cup of Unsweetened Iced Tea. Calorie breakdown: 0% fat, 97% carbs, 3% protein.
Sweetened and unsweetened iced tea varieties contain 19 milligrams of caffeine each, while green iced tea with honey contains the smallest amount: nine milligrams per serving. Lemon, raspberry and peach varieties all contain 19 milligrams per serving, while iced tea lemonade and white iced tea each contain 13.