What major city is the furthest south on south america

The southernmost city in South America is Ushuaia. The city of Ushuaia is considered to be the capital of Tierra del Fuego in Argentina. This place is commonly known as the southernmost city in the world and is located in the southern coast of Isla Grande de Tierra Del Fuego. Ushuaia as a city is a great place if you want to cruise in the wonderful Beagle Channel near Antarctica and enjoy the cool climate. This place is also known for its National Parks and vast bays.  

Answer// dinosaurs emerged during mesozoic era;

Magma forms by partial melting of upper mantle and crust. partial melt means that only a fraction of the available material forms a melt, and that the remainder stays solid. the partial melt rises because of its lower density and ascends through he crust. this is so conclusive mean the answer would be magma igneous rocks or balistic magma.