A new volcanic arc forms at the site of the easternmost transform, and many complications develop in SE Asia (Philippines, etc.) because of transforms turning into arcs, and various subduction-flips as thick (plateau-type) ocean crust refuses to subduct. A new subduction zone develops north of Australia.
Some of the causes of the European voyages of exploration were: 1  Alternate trade routes: Europe was dependent on Middle East countries for the import of spices and was looking for alternate trade routes to Asia and Africa to obtain spices (ginger, nutmeg, clove, cinnamon, etc.) and luxury goods (silk, gold, ivory, etc.) cheaply.
â¢European reasons for exploration â¢God, glory, and gold âPositive spin, Renaissance inspires to be worldly and explore the world , desire to make money and make country more powerful â¢Europeans seek new trade route âMain purpose to find new sources of wealth âDemand for spices and luxuries goods from Asia