"Essentials of Physical Geology," Reed Wicander, James S. Monroe; Cengage Learning, 2008, ISBN 9781133008729, ... The Himalayas began forming when India collided with Asia about 40 to 50 million years ago ... As the Indian plate moved northward, a subduction zone formed along the southern margin of Asia where oceanic lithosphere was consumed. Partial melting generated magma, which rose to form a volcanic arc ...
"Understanding Earth," Frank Press (author), Macmillan, 2004, ISBN 9780716796176, ... The volcanoes of the Andes Mountains mark the convergence boundary where the oceanic Nazca Plate slides beneath the continental South American Plate. Farther north, the subduction of the small Juan de Fuca Plate under western North America gives rise to the volcanoes of the Cascade Range ...
