There are three main types of plate boundary: divergent, convergent and transform. Plates move away from one another at divergent boundaries. This happens at mid-ocean ridges. Plates move towards one another at convergent boundaries; one plate is forced below another in a process called subduction.
The skin of a Concord grape is typically dark blue or purple, and often is covered with a lighter-coloured epicuticular wax bloom that can be rubbed off. It is a slip-skin variety, meaning that the skin is easily separated from the fruit. Concord grapes have large seeds and are highly aromatic.
1 On this model the word JAM is used in place of JORDAN. 2  Also, on the tag of the White/Black/Concord colorway the Jumpman on the tongue is concord (purple). 3  On most fakes, the Jumpman is either red or blue. 4  The box tag and production label are also useful aids in spotting fakes.