To find your routing number online you will have to order checks online (DON'T ACTUALLY ORDER THEM THOUGH!). First, sign in to pnc online banking. Then, select the customer service tab at the top. Then, select order checks and supplies (located under accounts and services section).
Oldest Rocks On Earth. The oldest rocks are found in the cores of continents, and the youngest are in the rift valleys of mid-ocean ridges. they can be found at the tops of mountain ranges as well. some of the oldest rocks found on Earth can be found at the top of the Beartooth mountain range here in MT. Atlantic ocean.
Samples in Western Australia run 3.4 to 3.6 billion years old. Research groups in Australia found the oldest mineral grains on Earth. These tiny zirconium silicate crystals have ages that reach 4.3 billion years, making them the oldest materials found on Earth so far. Their source rocks have not yet been found.