Dictionary

megablock en · NOUN

Etymology

From mega- + block.

Meanings

1. A very large block.
   • The earliest potassic granites in the southern part of the Timpton-Sutam megablock appear only at the end of the fourth cycle. 1983, Nicholas Rast, Profiles of Orogenic Belts, page 169:
   • On the single and two-channel profiles, however, ringing interference (repetition of shallower reflections) between the basement and postimpact sediments prevents clear definition of the displaced megablocks. 2012, Wylie Poag, The Chesapeake Bay Crater:

Forms

Relateds

superblock