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.
Report Abuse. The oldest rocks on the continents are much older than those on the sea floor. The oldest rocks on the continents are between 3.5-4.0 billion years old. Rocks of this age have been found in the centre of ancient continents-the Canadian Shield, Australia and Africa.