Agassiz orogeny

Agassiz orogeny

[′ag·ə·sē ȯ′räj·ə·nē]
(geology)
A phase of diastrophism confined to North America Cordillera occurring at the boundary between the Middle and Late Jurassic.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.