This is a medium sized asymmetrical map. Several routes lead to a Nod controlled City called "Omega City". GDI needs to capture this city back, by destroying the nearby Nod base.
A at the center of the map growing tiberium field is a key gamplay element, as its the only tibfield in this area. Nod and GDI harvesters have to move to this field to gain enough money. Both Nod and GDI have built up outposts (with tiberium dropzones, purchase terminals, vehicle repair ability and air unit ammo landing pad), which are located nearer to this tiberium field, to support control of it.
You can get this map here (extract the .mix file to your TSR Data Folder):
http://www.file-upload.net/download-10230904/TS_OmegaCity_30_01_2015.rar.html