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.
These rocks, known as faux-amphibolites, may be remnants of a portion of Earth's primordial crust -- the first crust that formed at the surface of our planet. The discovery of rocks as old as 4.28 billion years pushes back the age of the most ancient remnant of Earth's crust by 300 million years. Researchers have discovered the oldest rocks on Earth -- a discovery which sheds more light on our planet's mysterious beginnings.